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Question 1
Correct
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What antidepressant is considered effective and well-tolerated in elderly patients, but has a notable risk of liver injury and therefore necessitates frequent monitoring of liver function?
Your Answer: Agomelatine
Explanation:Agomelatine should be taken orally at bedtime, with a recommended starting dose of 25 mg once daily. The dose may be increased to 50 mg once daily. However, it is important to note that cases of liver injury, including hepatic failure, have been reported in patients taking agomelatine, particularly in those with pre-existing liver conditions. Liver function tests should be performed before starting treatment, and treatment should not be initiated if transaminases exceed 3 times the upper limit of normal. During treatment, transaminases should be monitored periodically at three weeks, six weeks (end of acute phase), twelve weeks, and twenty-four weeks (end of maintenance phase), and thereafter when clinically indicated. If transaminases exceed 3 times the upper limit of normal, treatment should be discontinued. When increasing the dosage, liver function tests should be performed at the same frequency as when initiating treatment.
Antidepressants in the Elderly: Maudsley Guidelines 14th Edition Summary
Antidepressants have a similar response rate in the elderly as in younger adults, but factors such as physical illness, anxiety, and reduced executive functioning can affect prognosis. SSRIs and TCAs are equally effective, but TCAs have higher withdrawal rates in the elderly. NICE recommends starting with an SSRI, then trying another SSRI of a newer generation antidepressant if there is no response. If this fails, an antidepressant from a different class can be considered, but caution is needed with TCAs and MAOIs due to adverse effects and drug interactions. There is no ideal antidepressant for elderly patients, and choice should be based on individual cases. SSRIs are generally better tolerated than TCAs, but increase the risk of gastrointestinal bleeds, hyponatremia, and falls. Agomelatine is effective and well-tolerated in older patients, but requires frequent liver function tests. Fish oils are probably not effective, and highly anticholinergic medicines increase the risk of dementia. Elderly patients may take longer to respond to antidepressants, and it is recommended that they continue taking them for at least 2 years following remission.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 2
Correct
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What evidence suggests that interpersonal therapy has a distinct purpose of function?
Your Answer: Evidence of a significant role transition
Explanation:Interpersonal Therapy: A Structured Approach to Addressing Social Functioning Problems
Interpersonal therapy (IPT) is a structured form of psychotherapy that is often used to treat depression. It is based on the belief that social functioning problems have a significant impact on psychological problems. IPT is a time-limited therapy that typically runs for 10-16 one hour sessions. The therapy is organized into three phases, with the first phase involving data collection and formulation. The remaining sessions explore the formulation in more detail.
IPT focuses on four areas of social functioning problems: grief, role transitions, interpersonal deficits, and interpersonal disputes. The therapy aims to intervene at the level of social functioning, rather than focusing on personality. The therapy has been found to be effective in treating depression, particularly in patients with severe depression. However, it may be less effective in treating people with depression and comorbid personality disorders.
The evidence base for IPT is most developed for eating disorders, and the intervention is recommended in NICE guidelines for eating disorders. Overall, IPT is a structured approach to addressing social functioning problems that can be effective in treating depression and other psychological problems.
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This question is part of the following fields:
- Psychotherapy
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Question 3
Incorrect
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What is a true statement about frontotemporal lobar degeneration?
Your Answer: Personality is typically unimpaired in semantic dementia
Correct Answer: In semantic dementia, speech is characteristically fluent
Explanation:Frontotemporal Lobar Degeneration
Frontotemporal lobar degeneration (FTLD) is a group of neurodegenerative disorders that involve the atrophy of the frontal and temporal lobes. The disease is characterized by progressive dysfunction in executive functioning, behavior, and language, and can mimic psychiatric disorders due to its prominent behavioral features. FTLD is the third most common form of dementia across all age groups and a leading type of early-onset dementia.
The disease has common features such as onset before 65, insidious onset, relatively preserved memory and visuospatial skills, personality change, and social conduct problems. There are three recognized subtypes of FTLD: behavioral-variant (bvFTD), language variant – primary progressive aphasia (PPA), and the language variant is further subdivided into semantic variant PPA (aka semantic dementia) and non-fluent agrammatic variant PPA (nfvPPA).
As the disease progresses, the symptoms of the three clinical variants can converge, as an initially focal degeneration becomes more diffuse and spreads to affect large regions in the frontal and temporal lobes. The key differences between the subtypes are summarized in the table provided. The bvFTD subtype is characterized by poor personal and social decorum, disinhibition, poor judgment and problem-solving, apathy, compulsive/perseverative behavior, hyperorality of dietary changes, and loss of empathy. The nfvPPA subtype is characterized by slow/slurred speech, decreased word output and phrase length, word-finding difficulties, apraxia of speech, and spared single-word comprehension. The svPPA subtype is characterized by intact speech fluency, word-finding difficulties (anomia), impaired single-word comprehension, repetitive speech, and reduced word comprehension.
In conclusion, FTLD is a progressive, heterogeneous, neurodegenerative disorder that affects the frontal and temporal lobes. The disease is characterized by dysfunction in executive functioning, behavior, and language, and can mimic psychiatric disorders due to its prominent behavioral features. There are three recognized subtypes of FTLD, and as the disease progresses, the symptoms of the three clinical variants can converge.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 4
Correct
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What is the most common condition that is often associated with dyslexia?
Your Answer: ADHD
Explanation:Dyslexia is a specific learning disorder that affects a person’s ability to read and process information. It is not caused by intellectual disabilities, visual of auditory impairments, of inadequate education. Dyslexia can affect both reading and writing skills, as well as the processing of information that is seen of heard. It is a lifelong condition that occurs across the range of intellectual abilities, with boys being diagnosed more often than girls. The prevalence of dyslexia is around 5-10% among school-aged children. Signs of dyslexia include poor spelling, difficulty with written information, confusion with letter order, and poor handwriting. Dyslexia is often associated with other disorders such as ADHD, conduct disorder, and oppositional defiant disorder.
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This question is part of the following fields:
- Learning Disability
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Question 5
Correct
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A woman is referred by her GP due to her persistent belief that she has stomach cancer. She remains convinced of this despite multiple normal investigations and reassurance from medical specialists. What is the most probable diagnosis for her condition?
Your Answer: Hypochondriasis
Explanation:There is often confusion between hypochondriasis and bodily distress disorder. Hypochondriasis involves a fixation on having a particular illness, while bodily distress disorder is characterized by a preoccupation with symptoms rather than a specific diagnosis.
Somatoform and dissociative disorders are two groups of psychiatric disorders that are characterized by physical symptoms and disruptions in the normal integration of identity, sensations, perceptions, affects, thoughts, memories, control over bodily movements, of behavior. Somatoform disorders are characterized by physical symptoms that are presumed to have a psychiatric origin, while dissociative disorders are characterized by the loss of integration between memories, identity, immediate sensations, and control of bodily movements. The ICD-11 lists two main types of somatoform disorders: bodily distress disorder and body integrity dysphoria. Dissociative disorders include dissociative neurological symptom disorder, dissociative amnesia, trance disorder, possession trance disorder, dissociative identity disorder, partial dissociative identity disorder, depersonalization-derealization disorder, and other specified dissociative disorders. The symptoms of these disorders result in significant impairment in personal, family, social, educational, occupational, of other important areas of functioning. Diagnosis of these disorders involves a thorough evaluation of the individual’s symptoms and medical history, as well as ruling out other possible causes of the symptoms.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 6
Incorrect
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What is the most effective treatment for premenstrual dysphoric disorder?
Your Answer: Evening primrose oil
Correct Answer: Fluoxetine
Explanation:There is currently no evidence to support the use of vitamin supplements for the treatment of premenstrual dysphoric disorder. However, lifestyle changes such as regular exercise, a healthy diet, and stress reduction techniques may be helpful in managing symptoms. It is important to consult with a healthcare provider to determine the best course of treatment for individual cases of PMDD.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 7
Incorrect
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What is a true statement about individuals with rapid cycling bipolar disorder?
Your Answer: It tends to develop early on in the course of the disorder
Correct Answer: It lasts less than 2 years in approximately 50% of patients
Explanation:If rapid cycling bipolar disorder occurs, propranolol should be discontinued as it is believed to be a contributing factor.
Bipolar Disorder Diagnosis
Bipolar and related disorders are mood disorders characterized by manic, mixed, of hypomanic episodes alternating with depressive episodes. The lifetime risk of suicide in individuals with bipolar disorder is estimated to be at least 15 times that of the general population. Under the ICD-11, there are three subtypes of bipolar disorder: Bipolar I, Bipolar II, and Cyclothymic disorder.
Bipolar I disorder is diagnosed when an individual has a history of at least one manic of mixed episode. The typical course of the disorder is characterized by recurrent depressive and manic of mixed episodes. Onset of the first mood episode most often occurs during the late teen years, but onset of bipolar type I can occur at any time through the life cycle. The lifetime prevalence of bipolar I disorder is estimated to be around 2.1%.
Bipolar II disorder is diagnosed when an individual has a history of at least one hypomanic episode and at least one depressive episode. The typical course of the disorder is characterized by recurrent depressive and hypomanic episodes. Onset of bipolar type II most often occurs during the mid-twenties. The number of lifetime episodes tends to be higher for bipolar II disorder than for major depressive disorder of bipolar I disorder.
Cyclothymic disorder is diagnosed when an individual experiences mood instability over an extended period of time characterized by numerous hypomanic and depressive periods. The symptoms are present for more days than not, and there is no history of manic or mixed episodes. The course of cyclothymic disorder is often gradual and persistent, and onset commonly occurs during adolescence of early adulthood.
Rapid cycling is not a subtype of bipolar disorder but instead is a qualifier. It is defined as the presence of at least four mood episodes in the previous 12 months that meet the criteria for a manic, hypomanic, of major depressive episode. Rapid cycling is associated with an increased risk of suicide and tends to be precipitated by stressors such as life events, alcohol abuse, use of antidepressants, and medical disorders.
Overall, the diagnosis of bipolar disorder requires careful evaluation of an individual’s symptoms and history. Treatment typically involves a combination of medication and psychotherapy.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 8
Correct
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What is the recommended first-line treatment for severe OCD in children?
Your Answer: CBT (including ERP)
Explanation:OCD and BDD are two mental health disorders that can affect children. OCD is characterized by obsessions and compulsions, while BDD is characterized by a preoccupation with an imagined defect in one’s appearance. Both disorders can cause significant distress and impairment in daily functioning.
For mild cases of OCD, guided self-help may be considered along with support and information for the family of caregivers. For moderate to severe cases of OCD, cognitive-behavioral therapy (CBT) that involves the family of caregivers and is adapted to suit the child’s developmental age is recommended. For all children and young people with BDD, CBT (including exposure and response prevention) is recommended.
If a child declines psychological treatment, a selective serotonin reuptake inhibitor (SSRI) may be prescribed. However, a licensed medication (sertraline of fluvoxamine) should be used for children and young people with OCD, while fluoxetine should be used for those with BDD. If an SSRI is ineffective of not tolerated, another SSRI of clomipramine may be tried. Tricyclic antidepressants other than clomipramine should not be used to treat OCD of BDD in children and young people. Other antidepressants (MAOIs, SNRIs) and antipsychotics should not be used alone in the routine treatment of OCD of BDD in children of young people, but may be considered as an augmentation strategy.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 9
Incorrect
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What is the relationship between depression and myocardial infarction?
Your Answer: Approximately 5% of people develop depression post myocardial infarction
Correct Answer: Sertraline has been shown to be safe for use in patients who have recently had a myocardial infarction
Explanation:According to a study, the combination of clopidogrel and an SSRI was found to be more effective in reducing the risk of cardiovascular events compared to dual antiplatelet therapy alone. However, the risk of bleeding was higher among patients taking clopidogrel and an SSRI, although the sample size was not sufficient to confirm this finding. The results were consistent regardless of the affinity of the SSRI. (Labos, 2011)
SSRI for Post-MI Depression
Post-myocardial infarction (MI), approximately 20% of people develop depression, which can worsen prognosis if left untreated. Selective serotonin reuptake inhibitors (SSRIs) are the preferred antidepressant group for post-MI depression. However, they can increase the risk of bleeding, especially in those using anticoagulation. Mirtazapine is an alternative option, but it is also associated with bleeding. The SADHART study found sertraline to be a safe treatment for depression post-MI. It is important to consider the bleeding risk when choosing an antidepressant for post-MI depression.
References:
– Davies, P. (2004). Treatment of anxiety and depressive disorders in patients with cardiovascular disease. BMJ, 328, 939-943.
– Glassman, A. H. (2002). Sertraline treatment of major depression in patients with acute MI of unstable angina. JAMA, 288, 701-709.
– Goodman, M. (2008). Incident and recurrent major depressive disorder and coronary artery disease severity in acute coronary syndrome patients. Journal of Psychiatric Research, 42, 670-675.
– Na, K. S. (2018). Can we recommend mirtazapine and bupropion for patients at risk for bleeding? A systematic review and meta-analysis. Journal of Affective Disorders, 225, 221-226. -
This question is part of the following fields:
- Old Age Psychiatry
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Question 10
Incorrect
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A teenager prescribed theophylline experiences depression and is prescribed an antidepressant. Which of the following SSRIs is most likely to increase their theophylline levels?
Your Answer: Sertraline
Correct Answer: Fluvoxamine
Explanation:Theophylline levels may be elevated by Fluvoxamine due to its inhibition of CYP1A2, while Fluoxetine does not affect CYP1A2.
Interactions of Antidepressants with Cytochrome P450 System
Antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs), can have significant effects on the cytochrome P450 system. This can result in drug interactions that can affect the efficacy and safety of the medications.
One example of such interaction is between fluvoxamine and theophylline. Fluvoxamine is a potent inhibitor of CYP1A2, which can lead to increased levels of theophylline in the body. This can cause adverse effects such as nausea, vomiting, and tremors.
Another example is between fluoxetine and clozapine. Fluoxetine is a potent inhibitor of CYP2D6, which can increase the risk of seizures with clozapine. Clozapine is metabolized by CYP1A2, CYP3A4, and CYP2D6, and any inhibition of these enzymes can affect its metabolism and increase the risk of adverse effects.
It is important to be aware of these interactions and monitor patients closely when prescribing antidepressants, especially in those who are taking other medications that are metabolized by the cytochrome P450 system.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 11
Incorrect
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What factor increases the likelihood of non-fatal repetition of self-harm?
Your Answer: Being single
Correct Answer: Alcohol dependency
Explanation:Self-Harm and its Management
Self-harm refers to intentional acts of self-poisoning of self-injury. It is prevalent among younger people, with an estimated 10% of girls and 3% of boys aged 15-16 years having self-harmed in the previous year. Risk factors for non-fatal repetition of self-harm include previous self-harm, personality disorder, hopelessness, history of psychiatric treatment, schizophrenia, alcohol abuse/dependence, and drug abuse/dependence. Suicide following an act of self-harm is more likely in those with previous episodes of self-harm, suicidal intent, poor physical health, and male gender.
Risk assessment tools are not recommended for predicting future suicide of repetition of self-harm. The recommended interventions for self-harm include 4-10 sessions of CBT specifically structured for people who self-harm and considering DBT for adolescents with significant emotional dysregulation. Drug treatment as a specific intervention to reduce self-harm should not be offered.
In the management of ingestion, activated charcoal can help if used early, while emetics and cathartics should not be used. Gastric lavage should generally not be used unless recommended by TOXBASE. Paracetamol is involved in 30-40% of acute presentations with poisoning. Intravenous acetylcysteine is the treatment of choice, and pseudo-allergic reactions are relatively common. Naloxone is used as an antidote for opioid overdose, while flumazenil can help reduce the need for admission to intensive care in benzodiazepine overdose.
For superficial uncomplicated skin lacerations of 5 cm of less in length, tissue adhesive of skin closure strips could be used as a first-line treatment option. All children who self-harm should be admitted for an overnight stay at a pediatric ward.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 12
Incorrect
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What type of bias is commonly associated with case-control studies?
Your Answer: Work-up bias
Correct Answer: Recall bias
Explanation:Types of Bias in Statistics
Bias is a systematic error that can lead to incorrect conclusions. Confounding factors are variables that are associated with both the outcome and the exposure but have no causative role. Confounding can be addressed in the design and analysis stage of a study. The main method of controlling confounding in the analysis phase is stratification analysis. The main methods used in the design stage are matching, randomization, and restriction of participants.
There are two main types of bias: selection bias and information bias. Selection bias occurs when the selected sample is not a representative sample of the reference population. Disease spectrum bias, self-selection bias, participation bias, incidence-prevalence bias, exclusion bias, publication of dissemination bias, citation bias, and Berkson’s bias are all subtypes of selection bias. Information bias occurs when gathered information about exposure, outcome, of both is not correct and there was an error in measurement. Detection bias, recall bias, lead time bias, interviewer/observer bias, verification and work-up bias, Hawthorne effect, and ecological fallacy are all subtypes of information bias.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 13
Correct
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What is the purpose of using the Kolmogorov-Smirnov and Jarque-Bera tests?
Your Answer: Normality
Explanation:Normality Testing in Statistics
In statistics, parametric tests are based on the assumption that the data set follows a normal distribution. On the other hand, non-parametric tests do not require this assumption but are less powerful. To check if a distribution is normally distributed, there are several tests available, including the Kolmogorov-Smirnov (Goodness-of-Fit) Test, Jarque-Bera test, Wilk-Shapiro test, P-plot, and Q-plot. However, it is important to note that if a data set is not normally distributed, it may be possible to transform it to make it follow a normal distribution, such as by taking the logarithm of the values.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 14
Incorrect
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What factor is the most probable cause of neural tube defects?
Your Answer: Lithium
Correct Answer: Sodium valproate
Explanation:Paroxetine Use During Pregnancy: Is it Safe?
Prescribing medication during pregnancy and breastfeeding is challenging due to the potential risks to the fetus of baby. No psychotropic medication has a UK marketing authorization specifically for pregnant of breastfeeding women. Women are encouraged to breastfeed unless they are taking carbamazepine, clozapine, of lithium. The risk of spontaneous major malformation is 2-3%, with drugs accounting for approximately 5% of all abnormalities. Valproate and carbamazepine are associated with an increased risk of neural tube defects, and lithium is associated with cardiac malformations. Benzodiazepines are associated with oral clefts and floppy baby syndrome. Antidepressants have been linked to preterm delivery and congenital malformation, but most findings have been inconsistent. TCAs have been used widely without apparent detriment to the fetus, but their use in the third trimester is known to produce neonatal withdrawal effects. Sertraline appears to result in the least placental exposure among SSRIs. MAOIs should be avoided in pregnancy due to a suspected increased risk of congenital malformations and hypertensive crisis. If a pregnant woman is stable on an antipsychotic and likely to relapse without medication, she should continue the antipsychotic. Depot antipsychotics should not be offered to pregnant of breastfeeding women unless they have a history of non-adherence with oral medication. The Maudsley Guidelines suggest specific drugs for use during pregnancy and breastfeeding. NICE CG192 recommends high-intensity psychological interventions for moderate to severe depression and anxiety disorders. Antipsychotics are recommended for pregnant women with mania of psychosis who are not taking psychotropic medication. Promethazine is recommended for insomnia.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 15
Incorrect
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Which of the following best describes the use of antidepressant medication for preventing relapse?
Your Answer: Selective Prevention
Correct Answer: Tertiary Prevention
Explanation:In essence, the most appropriate term to describe this intervention is tertiary prevention since universal, indicated, and selective prevention strategies target individuals before the onset of a full-blown illness.
Prevention measures can be classified into different levels, depending on the stage at which they are implemented. The first model, developed in the 1960s, includes primary, secondary, and tertiary prevention. Primary prevention aims to intervene before a disease of problem begins, and can be universal (targeted to the general public), selective (targeted to a high-risk population), of indicated (targeted to individuals with minimal but detectable signs of a disorder). Secondary prevention aims to detect and treat disease that has not yet become symptomatic, while tertiary prevention involves the care of established disease.
A newer model, developed in 1992, focuses on prevention interventions used before the initial onset of a disorder. This model also includes three levels: universal prevention (targeted to the general population), selective prevention (targeted to a high-risk population), and indicated prevention (targeted to individuals with minimal but detectable signs of a disorder). Examples of prevention measures include cognitive interventions for adolescents with cognitive deficits to prevent the later phases of schizophrenia, screening procedures for early detection and treatment of disease, and the use of low-dose atypical antipsychotics and CBT for patients with prodromal symptoms of schizophrenia to delay of prevent disease onset.
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This question is part of the following fields:
- Organisation And Delivery Of Psychiatric Services
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Question 16
Incorrect
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A young adult with schizophrenia is seeking advice on antipsychotic medication and expresses concern about developing high blood pressure due to a family history. Which antipsychotic is known to have the strongest association with hypertension?
Your Answer: Quetiapine
Correct Answer: Clozapine
Explanation:Antipsychotics and Hypertension
Clozapine is the antipsychotic that is most commonly linked to hypertension. However, it is important to note that essential hypertension is not a contraindication for any antipsychotic medication. Therefore, no antipsychotics should be avoided in patients with essential hypertension.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 17
Incorrect
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What is the recommendation of NICE guidelines regarding the use of a certain treatment for depression?
Your Answer: Imipramine
Correct Answer: Dosulepin
Explanation:NICE recommends against the use of dosulepin due to the higher risk of cardiac complications and overdose toxicity, which outweigh any potential benefits in terms of tolerability compared to other antidepressants.
Depression Treatment Guidelines by NICE
The National Institute for Health and Care Excellence (NICE) provides guidelines for the treatment of depression. The following are some general recommendations:
– Selective serotonin reuptake inhibitors (SSRIs) are preferred when prescribing antidepressants.
– Antidepressants are not the first-line treatment for mild depression.
– After remission, continue antidepressant treatment for at least six months.
– Continue treatment for at least two years if at high risk of relapse of have a history of severe or prolonged episodes of inadequate response.
– Use a stepped care approach to depression treatment, starting at the appropriate level based on the severity of depression.The stepped care approach involves the following steps:
– Step 1: Assessment, support, psychoeducation, active monitoring, and referral for further assessment and interventions.
– Step 2: Low-intensity psychosocial interventions, psychological interventions, medication, and referral for further assessment and interventions.
– Step 3: Medication, high-intensity psychological interventions, combined treatments, collaborative care, and referral for further assessment and interventions.
– Step 4: Medication, high-intensity psychological interventions, electroconvulsive therapy, crisis service, combined treatments, multiprofessional and inpatient care.Individual guided self-help programs based on cognitive-behavioral therapy (CBT) principles should be supported by a trained practitioner and last 9 to 12 weeks. Physical activity programs should consist of three sessions per week of moderate duration over 10 to 14 weeks.
NICE advises against using antidepressants routinely to treat persistent subthreshold depressive symptoms of mild depression. However, they may be considered for people with a past history of moderate or severe depression, initial presentation of subthreshold depressive symptoms that have been present for a long period, of subthreshold depressive symptoms of mild depression that persist after other interventions.
NICE recommends a combination of antidepressant medication and a high-intensity psychological intervention (CBT of interpersonal therapy) for people with moderate of severe depression. Augmentation of antidepressants with lithium, antipsychotics, of other antidepressants may be appropriate, but benzodiazepines, buspirone, carbamazepine, lamotrigine, of valproate should not be routinely used.
When considering different antidepressants, venlafaxine is associated with a greater risk of death from overdose compared to other equally effective antidepressants. Tricyclic antidepressants (TCAs) except for lofepramine are associated with the greatest risk in overdose. Higher doses of venlafaxine may exacerbate cardiac arrhythmias, and venlafaxine and duloxetine may exacerbate hypertension. TCAs may cause postural hypotension and arrhythmias, and mianserin requires hematological monitoring in elderly people.
The review frequency depends on the age and suicide risk of the patient. If the patient is over 30 and has no suicide risk, see them after two weeks and then at intervals of 2-4 weeks for the first three months. If the patient is under 30 and has a suicide risk, see them after one week.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 18
Incorrect
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What is the preferred sedative for patients who have significant liver damage?
Your Answer: Chlordiazepoxide
Correct Answer: Oxazepam
Explanation:Sedatives and Liver Disease
Sedatives are commonly used for their calming effects, but many of them are metabolized in the liver. Therefore, caution must be taken when administering sedatives to patients with liver disease. The Maudsley Guidelines recommend using low doses of the following sedatives in patients with hepatic impairment: lorazepam, oxazepam, temazepam, and zopiclone. It is important to note that zopiclone should also be used with caution and at low doses in this population. Proper management of sedative use in patients with liver disease can help prevent further damage to the liver and improve overall patient outcomes.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 19
Incorrect
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A young woman in her twenties presents to the A&E department with complaints of abdominal cramps. Upon examination, you observe goose bumps all over her skin and dilated pupils. Which drug withdrawal is she most likely experiencing?
Your Answer: Amphetamine
Correct Answer: Heroin
Explanation:Illicit drugs, also known as illegal drugs, are substances that are prohibited by law and can have harmful effects on the body and mind. Some of the most commonly used illicit drugs in the UK include opioids, amphetamines, cocaine, MDMA (ecstasy), cannabis, and hallucinogens.
Opioids, such as heroin, are highly addictive and can cause euphoria, drowsiness, constipation, and respiratory depression. Withdrawal symptoms may include piloerection, insomnia, restlessness, dilated pupils, yawning, sweating, and abdominal cramps.
Amphetamines and cocaine are stimulants that can increase energy, cause insomnia, hyperactivity, euphoria, and paranoia. Withdrawal symptoms may include hypersomnia, hyperphagia, depression, irritability, agitation, vivid dreams, and increased appetite.
MDMA, also known as ecstasy, can cause increased energy, sweating, jaw clenching, euphoria, enhanced sociability, and increased response to touch. Withdrawal symptoms may include depression, insomnia, depersonalisation, and derealisation.
Cannabis, also known as marijuana of weed, can cause relaxation, intensified sensory experience, paranoia, anxiety, and injected conjunctiva. Withdrawal symptoms may include insomnia, reduced appetite, and irritability.
Hallucinogens, such as LSD, can cause perceptual changes, pupillary dilation, tachycardia, sweating, palpitations, tremors, and incoordination. There is no recognised withdrawal syndrome for hallucinogens.
Ketamine, also known as Vitamin K, Super K, Special K, of donkey dust, can cause euphoria, dissociation, ataxia, and hallucinations. There is no recognised withdrawal syndrome for ketamine.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 20
Incorrect
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Which p-value would provide the strongest evidence in favor of the alternative hypothesis?
Your Answer: p < 0.05
Correct Answer:
Explanation:Understanding Hypothesis Testing in Statistics
In statistics, it is not feasible to investigate hypotheses on entire populations. Therefore, researchers take samples and use them to make estimates about the population they are drawn from. However, this leads to uncertainty as there is no guarantee that the sample taken will be truly representative of the population, resulting in potential errors. Statistical hypothesis testing is the process used to determine if claims from samples to populations can be made and with what certainty.
The null hypothesis (Ho) is the claim that there is no real difference between two groups, while the alternative hypothesis (H1 of Ha) suggests that any difference is due to some non-random chance. The alternative hypothesis can be one-tailed of two-tailed, depending on whether it seeks to establish a difference of a change in one direction.
Two types of errors may occur when testing the null hypothesis: Type I and Type II errors. Type I error occurs when the null hypothesis is rejected when it is true, while Type II error occurs when the null hypothesis is accepted when it is false. The power of a study is the probability of correctly rejecting the null hypothesis when it is false, and it can be increased by increasing the sample size.
P-values provide information on statistical significance and help researchers decide if study results have occurred due to chance. The p-value is the probability of obtaining a result that is as large of larger when in reality there is no difference between two groups. The cutoff for the p-value is called the significance level (alpha level), typically set at 0.05. If the p-value is less than the cutoff, the null hypothesis is rejected, and if it is greater or equal to the cut off, the null hypothesis is not rejected. However, the p-value does not indicate clinical significance, which may be too small to be meaningful.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 21
Correct
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What is the purpose of using bracketing as a method in qualitative research?
Your Answer: Assessing validity
Explanation:Qualitative research is a method of inquiry that seeks to understand the meaning and experience dimensions of human lives and social worlds. There are different approaches to qualitative research, such as ethnography, phenomenology, and grounded theory, each with its own purpose, role of the researcher, stages of research, and method of data analysis. The most common methods used in healthcare research are interviews and focus groups. Sampling techniques include convenience sampling, purposive sampling, quota sampling, snowball sampling, and case study sampling. Sample size can be determined by data saturation, which occurs when new categories, themes, of explanations stop emerging from the data. Validity can be assessed through triangulation, respondent validation, bracketing, and reflexivity. Analytical approaches include content analysis and constant comparison.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 22
Incorrect
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Which statement accurately describes Wernicke's area?
Your Answer: The lesions of Wernicke's encephalopathy occur in asymmetrical distribution in structures surrounding the lateral ventricles
Correct Answer: Horizontal rather than vertical nystagmus is more common
Explanation:Wernicke’s Encephalopathy: Symptoms, Causes, and Treatment
Wernicke’s encephalopathy is a serious condition that is characterized by confusion, ophthalmoplegia, and ataxia. However, the complete triad is only present in 10% of cases, which often leads to underdiagnosis. The condition results from prolonged thiamine deficiency, which is commonly seen in people with alcohol dependency, but can also occur in other conditions such as anorexia nervosa, malignancy, and AIDS.
The onset of Wernicke’s encephalopathy is usually abrupt, but it may develop over several days to weeks. The lesions occur in a symmetrical distribution in structures surrounding the third ventricle, aqueduct, and fourth ventricle. The mammillary bodies are involved in up to 80% of cases, and atrophy of these structures is specific for Wernicke’s encephalopathy.
Treatment involves intravenous thiamine, as oral forms of B1 are poorly absorbed. IV glucose should be avoided when thiamine deficiency is suspected as it can precipitate of exacerbate Wernicke’s. With treatment, ophthalmoplegia and confusion usually resolve within days, but the ataxia, neuropathy, and nystagmus may be prolonged of permanent.
Untreated cases of Wernicke’s encephalopathy can lead to Korsakoff’s syndrome, which is characterized by memory impairment associated with confabulation. The mortality rate associated with Wernicke’s encephalopathy is 10-20%, making early diagnosis and treatment crucial.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 23
Incorrect
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A nationwide study on mental health found that the incidence of depression is significantly higher among elderly individuals living in suburban areas compared to those residing in urban environments. What factors could explain this disparity?
Your Answer: Increased suicide rates in rural areas
Correct Answer: Reduced incidence in urban areas
Explanation:The prevalence of schizophrenia may be higher in urban areas due to the social drift phenomenon, where individuals with severe and enduring mental illnesses tend to move towards urban areas. However, a reduced incidence of schizophrenia in urban areas could explain why there is an increased prevalence of the condition in rural settings. It is important to note that prevalence is influenced by both incidence and duration of illness, and can be reduced by increased recovery rates of death from any cause.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 24
Incorrect
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A woman with an IQ of 28 has which of the following?
Your Answer: Has does not have an intellectual disability
Correct Answer: Severe intellectual disability
Explanation:Classification of Intellectual Disability
Intellectual disability affects approximately 2% of the general population, with an estimated 828,000 adults aged 18 of older affected in England alone. Those with an IQ below 70 are considered to have an intellectual disability, with the average IQ being 100. The severity of intellectual disability is categorized based on IQ scores, with mild intellectual disability being the most common (85% of cases) and profound intellectual disability being the least common (1-2% of cases). People with intellectual disability may require varying levels of support in their daily lives, depending on their individual needs. It is important to use the preferred term ‘people with intellectual disability’ when referring to individuals with this condition.
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This question is part of the following fields:
- Learning Disability
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Question 25
Correct
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How can X-linked recessive inheritance be demonstrated?
Your Answer: Hunter's syndrome
Explanation:Inheritance Patterns and Examples
Autosomal Dominant:
Neurofibromatosis type 1 and 2, tuberous sclerosis, achondroplasia, Huntington disease, and Noonan’s syndrome are all examples of conditions that follow an autosomal dominant inheritance pattern. This means that only one copy of the mutated gene is needed to cause the condition.Autosomal Recessive:
Phenylketonuria, homocystinuria, Hurler’s syndrome, galactosaemia, Tay-Sach’s disease, Friedreich’s ataxia, Wilson’s disease, and cystic fibrosis are all examples of conditions that follow an autosomal recessive inheritance pattern. This means that two copies of the mutated gene are needed to cause the condition.X-Linked Dominant:
Vitamin D resistant rickets and Rett syndrome are examples of conditions that follow an X-linked dominant inheritance pattern. This means that the mutated gene is located on the X chromosome and only one copy of the gene is needed to cause the condition.X-Linked Recessive:
Cerebellar ataxia, Hunter’s syndrome, and Lesch-Nyhan are examples of conditions that follow an X-linked recessive inheritance pattern. This means that the mutated gene is located on the X chromosome and two copies of the gene are needed to cause the condition.Mitochondrial:
Leber’s hereditary optic neuropathy and Kearns-Sayre syndrome are examples of conditions that follow a mitochondrial inheritance pattern. This means that the mutated gene is located in the mitochondria and is passed down from the mother to her offspring. -
This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 26
Incorrect
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What is the percentage of individuals who experience schizophrenia and schizophreniform disorders at some point in their lifetime, as reported by the Epidemiological Catchment Area study?
Your Answer: 2.40%
Correct Answer: 1.50%
Explanation:Epidemiological Catchment Area Study: A Landmark Community-Based Survey
The Epidemiological Catchment Area Study (ECA) was a significant survey conducted in five US communities from 1980-1985. The study included 20,000 participants, with 3000 community residents and 500 residents of institutions sampled in each site. The Diagnostic Interview Schedule (DIS) was used to conduct two interviews over a year with each participant.
However, the DIS diagnosis of schizophrenia was not consistent with psychiatrists’ classification, with only 20% of cases identified by the DIS in the Baltimore ECA site matching the psychiatrist’s diagnosis. Despite this, the ECA produced valuable findings, including a lifetime prevalence rate of 32.3% for any disorder, 16.4% for substance misuse disorder, 14.6% for anxiety disorder, 8.3% for affective disorder, 1.5% for schizophrenia and schizophreniform disorder, and 0.1% for somatization disorder.
The ECA also found that phobia had a one-month prevalence of 12.5%, generalized anxiety and depression had a prevalence of 8.5%, obsessive-compulsive disorder had a prevalence of 2.5%, and panic had a prevalence of 1.6%. Overall, the ECA was a landmark community-based survey that provided valuable insights into the prevalence of mental disorders in the US.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 27
Incorrect
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NICE recommends certain measures for the management of panic disorder.
Your Answer: Mood stabilisers
Correct Answer: SSRIs
Explanation:Anxiety (NICE guidelines)
The NICE Guidelines on Generalised anxiety disorder and panic disorder were issued in 2011. For the management of generalised anxiety disorder, NICE suggests a stepped approach. For mild GAD, education and active monitoring are recommended. If there is no response to step 1, low-intensity psychological interventions such as CBT-based self-help of psychoeducational groups are suggested. For those with marked functional impairment of those who have not responded to step 2, individual high-intensity psychological intervention of drug treatment is recommended. Specialist treatment is suggested for those with very marked functional impairment, no response to step 3, self-neglect, risks of self-harm or suicide, of significant comorbidity. Benzodiazepines should not be used beyond 2-4 weeks, and SSRIs are first line. For panic disorder, psychological therapy (CBT), medication, and self-help have all been shown to be effective. Benzodiazepines, sedating antihistamines, of antipsychotics should not be used. SSRIs are first line, and if they fail, imipramine of clomipramine can be used. Self-help (CBT based) should be encouraged. If the patient improves with an antidepressant, it should be continued for at least 6 months after the optimal dose is reached, after which the dose can be tapered. If there is no improvement after a 12-week course, an alternative medication of another form of therapy should be offered.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 28
Incorrect
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What is true about the process of alcohol detoxification?
Your Answer: Decreased homocysteine levels are associated with increased risk of alcohol withdrawal seizures in alcohol-dependent patients
Correct Answer: Home detoxification is usually complete within 5-9 days
Explanation:Alcohol detoxification can be done at home of in an inpatient setting. Studies have shown that there is no significant difference between the two methods, but inpatient detox is much more expensive. However, inpatient detox is recommended for patients who have a high risk of seizures during alcohol withdrawal, which occurs in 5-10% of patients. Age, prolactin, blood alcohol concentration on admission, and elevated homocysteine levels are all risk factors for seizures, with the latter being the strongest predictor. Chronic alcohol intake can lead to elevated homocysteine levels due to impaired metabolism from B12 and folate deficiency.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 29
Incorrect
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What is a true statement about searching in PubMed?
Your Answer: In PubMed, Boolean operators must be entered in lowercase letters
Correct Answer: Truncation is generally not a recommended search technique for PubMed
Explanation:Evidence-based medicine involves four basic steps: developing a focused clinical question, searching for the best evidence, critically appraising the evidence, and applying the evidence and evaluating the outcome. When developing a question, it is important to understand the difference between background and foreground questions. Background questions are general questions about conditions, illnesses, syndromes, and pathophysiology, while foreground questions are more often about issues of care. The PICO system is often used to define the components of a foreground question: patient group of interest, intervention of interest, comparison, and primary outcome.
When searching for evidence, it is important to have a basic understanding of the types of evidence and sources of information. Scientific literature is divided into two basic categories: primary (empirical research) and secondary (interpretation and analysis of primary sources). Unfiltered sources are large databases of articles that have not been pre-screened for quality, while filtered resources summarize and appraise evidence from several studies.
There are several databases and search engines that can be used to search for evidence, including Medline and PubMed, Embase, the Cochrane Library, PsycINFO, CINAHL, and OpenGrey. Boolean logic can be used to combine search terms in PubMed, and phrase searching and truncation can also be used. Medical Subject Headings (MeSH) are used by indexers to describe articles for MEDLINE records, and the MeSH Database is like a thesaurus that enables exploration of this vocabulary.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 30
Incorrect
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What is the most probable cause of a male patient with mania developing a painful, red eye with visual loss after being started on a new medication for 2 weeks?
Your Answer: Levetiracetam
Correct Answer: Topiramate
Explanation:The symptoms exhibited by the man indicate that he may have closed angle glaucoma, which is a known side effect of topiramate.
Antiepileptic drugs (AEDs) are commonly used for the treatment of epilepsy, but many of them also have mood stabilizing properties and are used for the prophylaxis and treatment of bipolar disorder. However, some AEDs carry product warnings for serious side effects such as hepatic failure, pancreatitis, thrombocytopenia, and skin reactions. Additionally, some AEDs have been associated with an increased risk of suicidal behavior and ideation.
Behavioral side-effects associated with AEDs include depression, aberrant behaviors, and the development of worsening of irritability, impulsivity, anger, hostility, and aggression. Aggression can occur before, after, of in between seizures. Some AEDs are considered to carry a higher risk of aggression, including levetiracetam, perampanel, and topiramate. However, data on the specific risk of aggression for other AEDs is lacking of mixed. It is important for healthcare providers to carefully consider the potential risks and benefits of AEDs when prescribing them for patients with epilepsy of bipolar disorder.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 31
Incorrect
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For what purpose is the Gudjonsson Scale primarily used in assessment?
Your Answer: Self-esteem
Correct Answer: Suggestibility
Explanation:The Gudjonsson Suggestibility Scale
The Gudjonsson Suggestibility Scale is a tool used to measure suggestibility in individuals. It involves reading a story to participants, who are then asked to recall as much as they can remember. Afterward, participants are asked 20 questions related to the story, 15 of which are misleading. Once the questions have been answered, participants are given negative feedback on their performance and told that they made several errors. They are then asked to repeat the questions to obtain more accurate answers. Based on the participants’ responses to the misleading questions, a total suggestibility score can be calculated. This scale is useful in understanding how easily individuals can be influenced of manipulated by external factors.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 32
Correct
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A 62 year old man is worried about the possibility of having Parkinson's disease. During a neurological examination, which of the following clinical observations would be most indicative of this condition?
Your Answer: Increased limb rigidity, usually more marked on one side
Explanation:Parkinson’s disease is characterized by a decrease of slowing of both voluntary and spontaneous blinking, whereas a cerebellar lesion typically presents with an intention tremor and a wide based gait. It is important to note that Parkinson’s is caused by an abnormality in the substantia nigra of the midbrain.
Parkinson’s Disease: Presentation, Aetiology, Medical Treatment, and Psychiatric Aspects
Parkinson’s disease is a degenerative disease of the brain that is characterised by motor symptoms such as rigidity, bradykinesia, and tremor. It has a long prodromal phase and early symptoms generally present asymmetrically. The tremor associated with Parkinson’s disease is classically described as ‘pill rolling’. The principle abnormality is the degeneration of dopaminergic neurons in the pars compacta of the substantia nigra, which leads to an accumulation of alpha-synuclein in these abnormal dopaminergic cells. The majority of cases of Parkinson’s disease are idiopathic, but single gene mutations occur in a minority of cases. Pesticide, herbicide, and heavy metal exposures are linked to an increased risk of Parkinson’s disease in some epidemiologic studies, whereas smoking and caffeine use are associated with decreased risks.
Treatment for Parkinson’s disease predominantly focuses on symptomatic relief with drugs aiming to either restore the level of dopamine in the striatum of to act on striatal postsynaptic dopamine receptors. However, as dopamine is not the only neurotransmitter involved in Parkinson’s disease, many other drugs are also being used to target specific symptoms, such as depression of dementia. Psychiatric symptoms are common in Parkinson’s disease and range from mild to severe. Factors associated with severe symptoms include age, sleep disturbance, dementia, and disease severity. Hallucinations are common in Parkinson’s disease and tend to be visual but can be auditory of tactile. In the majority of patients, psychotic symptoms are thought to be secondary to dopaminergic medication rather than due to the Parkinson’s disease itself. Anticholinergics and dopamine agonists seem to be associated with a higher risk of inducing psychosis than levodopa of catechol-O-methyltransferase inhibitors. Medications used for psychotic symptoms may worsen movement problems. Risperidone and the typicals should be avoided completely. Low dose quetiapine is the best tolerated. Clozapine is the most effective antipsychotic drug for treating psychosis in Parkinson’s disease but its use in clinical practice is limited by the need for monitoring and the additional physical risks.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 33
Incorrect
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Which of the following is classified as class B under the Misuse of Drugs Act?
Your Answer: Injected amphetamine
Correct Answer: Cannabis
Explanation:Class B substances are elevated to the status of Class A when they are administered through injection.
Drug Misuse (Law and Scheduling)
The Misuse of Drugs Act (1971) regulates the possession and supply of drugs, classifying them into three categories: A, B, and C. The maximum penalty for possession varies depending on the class of drug, with Class A drugs carrying a maximum sentence of 7 years.
The Misuse of Drugs Regulations 2001 further categorizes controlled drugs into five schedules. Schedule 1 drugs are considered to have no therapeutic value and cannot be lawfully possessed of prescribed, while Schedule 2 drugs are available for medical use but require a controlled drug prescription. Schedule 3, 4, and 5 drugs have varying levels of restrictions and requirements.
It is important to note that a single drug can have multiple scheduling statuses, depending on factors such as strength and route of administration. For example, morphine and codeine can be either Schedule 2 of Schedule 5.
Overall, the Misuse of Drugs Act and Regulations aim to regulate and control the use of drugs in the UK, with the goal of reducing drug misuse and related harm.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 34
Incorrect
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NICE recommends which treatment as the initial approach for opioid detoxification?
Your Answer: Dihydrocodeine
Correct Answer: Methadone
Explanation:The recommended initial treatment for opioid detoxification is methadone of buprenorphine.
Opioid Maintenance Therapy and Detoxification
Withdrawal symptoms can occur after as little as 5 days of regular opioid use. Short-acting opioids like heroin have acute withdrawal symptoms that peak in 32-72 hours and last for 3-5 days. Longer-acting opioids like methadone have acute symptoms that peak at day 4-6 and last for 10 days. Buprenorphine withdrawal lasts up to 10 days and includes symptoms like myalgia, anxiety, and increased drug craving.
Opioids affect the brain through opioid receptors, with the µ receptor being the main target for opioids. Dopaminergic cells in the ventral tegmental area produce dopamine, which is released into the nucleus accumbens upon stimulation of µ receptors, producing euphoria and reward. With repeat opioid exposure, µ receptors become less responsive, causing dysphoria and drug craving.
Methadone and buprenorphine are maintenance-oriented treatments for opioid dependence. Methadone is a full agonist targeting µ receptors, while buprenorphine is a partial agonist targeting µ receptors and a partial k agonist of functional antagonist. Naloxone and naltrexone are antagonists targeting all opioid receptors.
Methadone is preferred over buprenorphine for detoxification, and ultra-rapid detoxification should not be offered. Lofexidine may be considered for mild of uncertain dependence. Clonidine and dihydrocodeine should not be used routinely in opioid detoxification. The duration of detoxification should be up to 4 weeks in an inpatient setting and up to 12 weeks in a community setting.
Pregnant women dependent on opioids should use opioid maintenance treatment rather than attempt detoxification. Methadone is preferred over buprenorphine, and transfer to buprenorphine during pregnancy is not advised. Detoxification should only be considered if appropriate for the women’s wishes, circumstances, and ability to cope. Methadone or buprenorphine treatment is not a contraindication to breastfeeding.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 35
Incorrect
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Out of the options provided, which one is the least probable cause of postural hypotension?
Your Answer: Haloperidol
Correct Answer: Aripiprazole
Explanation:Antipsychotics: Common Side Effects and Relative Adverse Effects
Antipsychotics are medications used to treat various mental health conditions, including schizophrenia and bipolar disorder. However, they can also cause side effects that can be bothersome of even serious. The most common side effects of antipsychotics are listed in the table below, which includes the adverse effects associated with their receptor activity.
Antidopaminergic effects: These effects are related to the medication’s ability to block dopamine receptors in the brain. They can cause galactorrhoea, gynecomastia, menstrual disturbance, lowered sperm count, reduced libido, Parkinsonism, dystonia, akathisia, and tardive dyskinesia.
Anticholinergic effects: These effects are related to the medication’s ability to block acetylcholine receptors in the brain. They can cause dry mouth, blurred vision, urinary retention, and constipation.
Antiadrenergic effects: These effects are related to the medication’s ability to block adrenaline receptors in the body. They can cause postural hypotension and ejaculatory failure.
Histaminergic effects: These effects are related to the medication’s ability to block histamine receptors in the brain. They can cause drowsiness.
The Maudsley Guidelines provide a rough guide to the relative adverse effects of different antipsychotics. The table below summarizes their findings, with +++ indicating a high incidence of adverse effects, ++ indicating a moderate incidence, + indicating a low incidence, and – indicating a very low incidence.
Drug Sedation Weight gain Diabetes EPSE Anticholinergic Postural Hypotension Prolactin elevation
Amisulpride – + + + – – +++
Aripiprazole – +/- – +/- – – –
Asenapine + + +/- +/- – – +/-
Clozapine +++ +++ +++ – +++ +++ –
Flupentixol + ++ + ++ ++ + +++
Fluphenazine + + + +++ ++ + +++
Haloperidol + + +/- +++ + + +++
Olanzapine ++ +++ +++ +/- + + +
Paliperidone + ++ + + + ++ +++
Pimozide + + – + + + +++
Quetiapine ++ ++ ++ – + ++ –
Risperidone + ++ + + + ++ +++
Zuclopenthixol ++ ++ + ++ ++ + +++Overall, it is important to discuss the potential side effects of antipsychotics with a healthcare provider and to monitor for any adverse effects while taking these medications.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 36
Incorrect
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What is the most frequently observed eye abnormality in individuals with Wernicke's encephalopathy?
Your Answer: Retinal hemorrhage
Correct Answer: Nystagmus
Explanation:Wernicke’s Encephalopathy: Symptoms, Causes, and Treatment
Wernicke’s encephalopathy is a serious condition that is characterized by confusion, ophthalmoplegia, and ataxia. However, the complete triad is only present in 10% of cases, which often leads to underdiagnosis. The condition results from prolonged thiamine deficiency, which is commonly seen in people with alcohol dependency, but can also occur in other conditions such as anorexia nervosa, malignancy, and AIDS.
The onset of Wernicke’s encephalopathy is usually abrupt, but it may develop over several days to weeks. The lesions occur in a symmetrical distribution in structures surrounding the third ventricle, aqueduct, and fourth ventricle. The mammillary bodies are involved in up to 80% of cases, and atrophy of these structures is specific for Wernicke’s encephalopathy.
Treatment involves intravenous thiamine, as oral forms of B1 are poorly absorbed. IV glucose should be avoided when thiamine deficiency is suspected as it can precipitate of exacerbate Wernicke’s. With treatment, ophthalmoplegia and confusion usually resolve within days, but the ataxia, neuropathy, and nystagmus may be prolonged of permanent.
Untreated cases of Wernicke’s encephalopathy can lead to Korsakoff’s syndrome, which is characterized by memory impairment associated with confabulation. The mortality rate associated with Wernicke’s encephalopathy is 10-20%, making early diagnosis and treatment crucial.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 37
Incorrect
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What can lead to the development of pellagra?
Your Answer: Nicotine
Correct Answer: Alcohol
Explanation:Pellagra, a condition caused by a deficiency in vitamin B3, can be brought on by alcohol consumption as it hinders the absorption of the vitamin. In developed countries, alcoholism is the primary culprit behind cases of pellagra.
Pellagra: A Vitamin B3 Deficiency Disease
Pellagra is a disease caused by a lack of vitamin B3 (niacin) in the body. The name pellagra comes from the Italian words pelle agra, which means rough of sour skin. This disease is common in developing countries where corn is a major food source, of during prolonged disasters like famine of war. In developed countries, pellagra is rare because many foods are fortified with niacin. However, alcoholism is a common cause of pellagra in developed countries. Alcohol dependence can worsen pellagra by causing malnutrition, gastrointestinal problems, and B vitamin deficiencies. It can also inhibit the conversion of tryptophan to niacin and promote the accumulation of 5-ALA and porphyrins.
Pellagra affects a wide range of organs and tissues in the body, so its symptoms can vary. The classic symptoms of pellagra are known as the three Ds: diarrhea, dermatitis, and dementia. Niacin deficiency can cause dementia, depression, mania, and psychosis, which is called pellagra psychosis. The most noticeable symptom of pellagra is dermatitis, which is a hyperpigmented rash that appears on sun-exposed areas of the skin. This rash is usually symmetrical and bilateral, and it is often described as Casal’s necklace when it appears on the neck.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 38
Incorrect
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Who is the author of 'The Psychopathology of Everyday Life'?
Your Answer: Ronald Laing
Correct Answer: Sigmund Freud
Explanation:History of major works in psychiatry
Michel Foucault – Madness and civilization
Sigmund Freud – The interpretation of dreams, Beyond the Pleasure Principle, The Psychopathology of everyday life
Thomas Szasz – The myth of mental illness
Erving Goffman – Asylums, The Presentation of Self in Everyday Life
Ronald Laing – The divided self
Emile Durkheim – Le suicide. Durkheim proposed social causes for suicide. Until his work was published, suicide had been thought of as an individual act only.
Tom Main – The Ailment
Jerome Frank – Persuasion and Healing
George Brown and Tirril Harris – Social origins of depression -
This question is part of the following fields:
- Psychotherapy
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Question 39
Incorrect
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A patient who has been successfully titrated on clozapine begins to show signs of relapse despite no changes to his dose. He insists that his smoking status has not changed and he has not commenced any new medications. Levels are taken to investigate the possibility of compliance issues.
The following result is obtained:
Clozapine (plasma) = 560 µg/L
Norclozapine = 420 µg/L
Ratio = 1.3
Time of sample since last dose 11.5 hours
Clozapine dose = 600 mg / d
Smoker = No
Which of the following is most likely?:Your Answer: The ratio is likely to be artificially high based on the time it was taken since the last dose
Correct Answer: The ratio appears normal and does not suggest non-compliance
Explanation:Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 40
Incorrect
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Which variable has a zero value that is not arbitrary?
Your Answer: None of the above
Correct Answer: Ratio
Explanation:The key characteristic that sets ratio variables apart from interval variables is the presence of a meaningful zero point. On a ratio scale, this zero point signifies the absence of the measured attribute, while on an interval scale, the zero point is simply a point on the scale with no inherent significance.
Scales of Measurement in Statistics
In the 1940s, Stanley Smith Stevens introduced four scales of measurement to categorize data variables. Knowing the scale of measurement for a variable is crucial in selecting the appropriate statistical analysis. The four scales of measurement are ratio, interval, ordinal, and nominal.
Ratio scales are similar to interval scales, but they have true zero points. Examples of ratio scales include weight, time, and length. Interval scales measure the difference between two values, and one unit on the scale represents the same magnitude on the trait of characteristic being measured across the whole range of the scale. The Fahrenheit scale for temperature is an example of an interval scale.
Ordinal scales categorize observed values into set categories that can be ordered, but the intervals between each value are uncertain. Examples of ordinal scales include social class, education level, and income level. Nominal scales categorize observed values into set categories that have no particular order of hierarchy. Examples of nominal scales include genotype, blood type, and political party.
Data can also be categorized as quantitative of qualitative. Quantitative variables take on numeric values and can be further classified into discrete and continuous types. Qualitative variables do not take on numerical values and are usually names. Some qualitative variables have an inherent order in their categories and are described as ordinal. Qualitative variables are also called categorical of nominal variables. When a qualitative variable has only two categories, it is called a binary variable.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 41
Correct
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A teenager is referred to you regarding his concern about the appearance of his nose. He complains that it is extremely large and has approached several surgeons in an attempt to get a reduction. Objectively you think his nose is an average size. Which of the following conditions would you suspect?
Your Answer: Body dysmorphic disorder
Explanation:Body Dysmorphic Disorder is a condition where individuals are preoccupied with one of more perceived flaws in their appearance, which may not be noticeable to others. They may feel excessively self-conscious and believe that others are judging them based on these flaws. This can lead to repetitive behaviors such as examining the perceived flaw, attempting to hide of alter it, of avoiding social situations that trigger distress. In contrast, Body Integrity Dysphoria is a rare condition where individuals experience discomfort of negative feelings about a specific body part, often leading to a desire to amputate of remove it, rather than improve its appearance.
Somatoform and dissociative disorders are two groups of psychiatric disorders that are characterized by physical symptoms and disruptions in the normal integration of identity, sensations, perceptions, affects, thoughts, memories, control over bodily movements, of behavior. Somatoform disorders are characterized by physical symptoms that are presumed to have a psychiatric origin, while dissociative disorders are characterized by the loss of integration between memories, identity, immediate sensations, and control of bodily movements. The ICD-11 lists two main types of somatoform disorders: bodily distress disorder and body integrity dysphoria. Dissociative disorders include dissociative neurological symptom disorder, dissociative amnesia, trance disorder, possession trance disorder, dissociative identity disorder, partial dissociative identity disorder, depersonalization-derealization disorder, and other specified dissociative disorders. The symptoms of these disorders result in significant impairment in personal, family, social, educational, occupational, of other important areas of functioning. Diagnosis of these disorders involves a thorough evaluation of the individual’s symptoms and medical history, as well as ruling out other possible causes of the symptoms.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 42
Incorrect
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Which of the options below is not a factor that can be reversed and may lead to dementia?
Your Answer: Hyperthyroidism
Correct Answer: Pick's disease
Explanation:Frontotemporal dementia, also referred to as Pick’s disease, is a type of dementia that worsens over time and is caused by tauopathy. Unfortunately, it is irreversible.
Reversible causes of dementia should be screened for in all cases of dementia. The mnemonic DEMENTIA can help remember the most common causes, including drugs and alcohol (especially those with anticholinergic activity), emotions such as depression, metabolic disorders like hypo and hyperthyroidism, decline in eyes and ears, normal pressure hydrocephalus, tumors of space-occupying lesions, infections like syphilis and AIDS, and anemia due to vitamin B12 of folate deficiency. Other notable metabolic causes include Wilson’s disease, Hashimoto’s encephalitis, hypo and hyperparathyroidism, Cushing’s disease, and Addison’s disease. Additional infectious causes include Whipple’s disease, sarcoidosis, and meningitis. The most common causes are alcohol and medication-related dementia, depression, brain lesions such as normal pressure hydrocephalus, tumors and chronic subdural hematomas, metabolic disorders such as hypothyroidism, hypoparathyroidism, vitamin B12 deficiency, and central nervous system infections such as neurosyphilis and HIV.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 43
Incorrect
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A young adult who has just begun taking olanzapine reports experiencing dizziness and blurred vision upon sudden standing. What would be the most suitable substitute medication?
Your Answer: Clozapine
Correct Answer: Amisulpride
Explanation:The patient’s reported symptoms are indicative of postural hypotension, which is likely a side effect of the olanzapine medication they were given.
Maudsley Guidelines: Antipsychotics for Postural Hypotension
When postural hypotension is a concern, it may be necessary to switch to an antipsychotic that is less likely to cause this side effect. The following antipsychotics are recommended by the Maudsley Guidelines:
– Amisulpride
– Aripiprazole
– Haloperidol
– Sulpiride
– TrifluoperazineThese medications have a lower risk of causing postural hypotension compared to other antipsychotics such as risperidone, clozapine, olanzapine, paliperidone, quetiapine, and ziprasidone. It is important to discuss any concerns about side effects with a healthcare provider before making any changes to medication.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 44
Correct
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What is the most crucial test of investigation to perform when a patient who has recently started taking clozapine experiences central chest pain accompanied by sweating and nausea?
Your Answer: Troponin
Explanation:If a patient taking clozapine experiences chest pain, it is important to consider myocarditis as a potential cause. Conducting a troponin test can aid in confirming the presence of this condition.
Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 45
Incorrect
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In the context of Criminal law, what is the age at which an individual is considered an adult in England?
Your Answer: 19
Correct Answer: 18
Explanation:Criminal Responsibility and Age Limits
To be found guilty of a crime, it must be proven that a person committed the act (actus reus) and had a guilty mind (mens rea). In England and Wales, children under the age of 10 cannot be held criminally responsible for their actions and cannot be arrested or charged with a crime. Instead, they may face other punishments such as a Local Child Curfew of a Child Safety Order. Children between the ages of 10 and 17 can be arrested and taken to court, but are treated differently from adults and may be dealt with by youth courts, given different sentences, and sent to special secure centers for young people. Young people aged 18 are treated as adults by the law.
Not Guilty by Reason of Insanity and Other Defenses
A person may be found not guilty by reason of insanity if they did not understand the nature of quality of their actions of did not know that what they were doing was wrong. Automatism is a defense used when the act is believed to have occurred unconsciously, either from an external cause (sane automatism) of an internal cause (insane automatism). Diminished responsibility is a defense used only in the defense of murder and allows for a reduction of the normal life sentence to manslaughter.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 46
Incorrect
-
A reduction in the quantity of leukocytes is known as:
Your Answer: Lymphopenia
Correct Answer: Leukopenia
Explanation:Agranulocytosis is a condition characterized by a decrease in the number of granulocytes, a type of white blood cell that includes neutrophils, basophils, and eosinophils.
Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 47
Incorrect
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A male patient in his mid-20s is referred for treatment due to a depressive illness. On first meeting him, the female doctor is uncomfortable with his clear attempts to be seductive. He explains that he has been rejected by his male friends as they have told him that he is overly sexual with their girlfriends and he demands too much attention from them.
He reports getting easily bored and quickly losing interest in jobs causing him issues with his career. There is no evidence of identity disturbance. He explains that his last relationship ended due to him repeatedly sending messages to his girlfriend saying he would hurt himself if she didn't stop seeing her friends and spend more time with him. He denied any actual acts of self-harm and insisted that he never had intent to hurt himself and only sent the messages to get more of his girlfriend's time.
Which of the following is most likely to be present?Your Answer: Personality disorder with anankastic
Correct Answer: Histrionic personality disorder
Explanation:This scenario strongly indicates the presence of histrionic personality disorder, which often involves individuals displaying sexualized behaviors towards their partners and a constant desire for attention, leading to social alienation. While individuals with borderline personality disorder may also exhibit attention-seeking behaviors, their condition is typically characterized by self-destructive tendencies, tumultuous relationships, and persistent feelings of emptiness and identity disturbance, setting it apart from histrionic personality disorder.
Personality Disorder: Histrionic
A histrionic personality disorder, also known as a dramatic personality disorder, is a psychiatric condition characterized by a consistent pattern of attention-seeking behaviors and exaggerated emotional responses. To diagnose this disorder, the DSM-5 requires the presence of at least five of the following symptoms: discomfort when not the center of attention, seductive of provocative behavior, shallow and shifting emotions, using appearance to draw attention, vague and impressionistic speech, dramatic of exaggerated emotions, suggestibility, and considering relationships to be more intimate than they actually are. However, the ICD-11 has removed the diagnosis of histrionic personality disorder from its list of recognized disorders.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 48
Incorrect
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Which of the following is an atypical characteristic of paranoid personality disorder?
Your Answer: Preoccupation with conspiratorial beliefs
Correct Answer: Indifference to praise and criticism
Explanation:Paranoid Personality Disorder is a type of personality disorder where individuals have a deep-seated distrust and suspicion of others, often interpreting their actions as malevolent. This disorder is characterized by a pattern of negative interpretations of others’ words, actions, and intentions, leading to a reluctance to confide in others and holding grudges for long periods of time. The DSM-5 criteria for this disorder include at least four of the following symptoms: unfounded suspicions of exploitation, harm, of deception by others, preoccupation with doubts about the loyalty of trustworthiness of friends of associates, reluctance to confide in others due to fear of malicious use of information, reading negative meanings into benign remarks of events, persistent grudges, perceiving attacks on one’s character of reputation that are not apparent to others and reacting angrily of counterattacking, and recurrent suspicions of infidelity in a partner without justification. The ICD-11 does not have a specific category for paranoid personality disorder but covers many of its features under the negative affectivity qualifier under the element of mistrustfulness.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 49
Incorrect
-
A teenage male patient taking risperidone reports sexual dysfunction and is diagnosed with elevated prolactin levels. What would be the most appropriate replacement medication?
Your Answer: Sulpiride
Correct Answer: Quetiapine
Explanation:Management of Hyperprolactinaemia
Hyperprolactinaemia is often associated with the use of antipsychotics and occasionally antidepressants. Dopamine inhibits prolactin, and dopamine antagonists increase prolactin levels. Almost all antipsychotics cause changes in prolactin, but some do not increase levels beyond the normal range. The degree of prolactin elevation is dose-related. Hyperprolactinaemia is often asymptomatic but can cause galactorrhoea, menstrual difficulties, gynaecomastia, hypogonadism, sexual dysfunction, and an increased risk of osteoporosis and breast cancer in psychiatric patients.
Patients should have their prolactin measured before antipsychotic therapy and then monitored for symptoms at three months. Annual testing is recommended for asymptomatic patients. Antipsychotics that increase prolactin should be avoided in patients under 25, patients with osteoporosis, patients with a history of hormone-dependent cancer, and young women. Samples should be taken at least one hour after eating of waking, and care must be taken to avoid stress during the procedure.
Treatment options include referral for tests to rule out prolactinoma if prolactin is very high, making a joint decision with the patient about continuing if prolactin is raised but not symptomatic, switching to an alternative antipsychotic less prone to hyperprolactinaemia if prolactin is raised and the patient is symptomatic, adding aripiprazole 5mg, of adding a dopamine agonist such as amantadine of bromocriptine. Mirtazapine is recommended for symptomatic hyperprolactinaemia associated with antidepressants as it does not raise prolactin levels.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 50
Incorrect
-
What is a true statement about night terrors?
Your Answer: They occur several hours following the onset of sleep
Correct Answer: They are associated with complete amnesia for the episode
Explanation:Night Terrors: Understanding the Condition
Night terrors, also known as pavor nocturnus of sleep terrors, are a common occurrence in children aged 3-12, with the majority of cases happening when a child is 3-4 years old. Both boys and girls are equally affected, and the condition usually resolves on its own during adolescence, although it can still occur in adults. These episodes typically last between 1 to 15 minutes and occur 1 to 3 hours after sleep has begun.
Night terrors are different from nightmares, which occur during REM sleep. Night terrors happen during the transition from stage 3 to stage 4 sleep, and children have no memory of the event the next morning. During a night terror, a child experiences intense crying and distress while asleep, usually around 90 minutes after falling asleep. They are unresponsive to external stimuli during this time.
Night terrors are distinct from nightmares in several ways. For example, there is no recall of the event with night terrors, while there may be partial recall with nightmares. Night terrors occur early in sleep, while nightmares occur later. Additionally, night terrors are associated with significant autonomic arousal, while nightmares have minimal arousal.
It is important to note that the information presented here is based on the Rechtschaffen and Kales sleep classification model developed in 1968, which is the classification used in the Royal College questions. However, in 2004, the American Academy of Sleep Medicine (AASM) reclassified NREM (non-REM) sleep into three stages, the last of which is also called delta sleep of slow-wave sleep.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 51
Incorrect
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In drug testing, which substance commonly used for weight loss and bodybuilding, is known to cause inaccurate results?
Your Answer: LSD
Correct Answer: Amphetamines
Explanation:Originally developed as a nasal decongestant, dimethylamylamine is now available as a dietary supplement for purposes such as weight loss, enhancing athletic abilities, and building muscle mass. However, it is important to note that this substance is artificially produced in a laboratory.
Drug Testing
There are two main approaches to testing for illicit substances: immunoassays and lab testing. Immunoassays are a cheap and quick screening method, but not very specific. Lab testing is more accurate but time-consuming and expensive. Drug testing can be done through urine, saliva, blood, hair, and sweat, although hair and sweat are rarely used in mental health settings.
False positives can occur when testing for illicit substances, so it’s important to check that patients are not taking other medications that could produce a false positive result. For example, common medications that can lead to false positive results include dimethylamylamine, ofloxacin, bupropion, phenothiazines, trazodone, and methylphenidate for amphetamines/methamphetamines; sertraline and efavirenz for benzodiazepines and cannabis; topical anesthetics for cocaine; codeine, dihydrocodeine, and methadone for opioids; lamotrigine, tramadol, and venlafaxine for PCP; and amitriptyline, bupropion, buspirone, chlorpromazine, fluoxetine, sertraline, and verapamil for LSD.
In summary, drug testing is an important tool in mental health settings, but it’s crucial to consider potential false positives and medication interactions when interpreting results.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 52
Incorrect
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A 45-year-old woman with a 20-year history of bipolar disorder and receiving treatment from a mental health team, is experiencing difficulties with attention, memory and executive function. Which of the following statements about her cognitive deficits is not true?
Your Answer: Much of the inability of an individual with schizophrenia to cope successfully in the community is due to such deficits
Correct Answer: Cognitive deficits are readily treated by antipsychotic medication
Explanation:More than 50% of individuals with schizophrenia exhibit cognitive impairments, specifically in attention, learning, memory, and executive function. These deficits have a significant impact on prognosis, as they are difficult to address with medication and are associated with poorer outcomes in terms of employment and independent living.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 53
Correct
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What is the defining characteristic of delirium?
Your Answer: Impairment of consciousness
Explanation:Delirium is primarily characterized by a disturbance in consciousness, often accompanied by a widespread decline in cognitive abilities. Other common symptoms include changes in mood, perception, behavior, and motor function, such as tremors and nystagmus. This information is based on Kaplan and Sadock’s concise textbook of psychiatry, 10th edition, published in 2008.
Delirium (also known as acute confusional state) is a condition characterized by a sudden decline in consciousness and cognition, with a particular impairment in attention. It often involves perceptual disturbances, abnormal psychomotor activity, and sleep-wake cycle impairment. Delirium typically develops over a few days and has a fluctuating course. The causes of delirium are varied, ranging from metabolic disturbances to medications. It is important to differentiate delirium from dementia, as delirium has a brief onset, early disorientation, clouding of consciousness, fluctuating course, and early psychomotor changes. Delirium can be classified into three subtypes: hypoactive, hyperactive, and mixed. Patients with hyperactive delirium demonstrate restlessness, agitation, and hyper vigilance, while those with hypoactive delirium present with lethargy and sedation. Mixed delirium demonstrates both hyperactive and hypoactive features. The hypoactive form is most common in elderly patients and is often misdiagnosed as depression of dementia.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 54
Incorrect
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What is the recommended pharmacological intervention for insomnia in a pregnant woman, as advised by NICE?
Your Answer: Clozapine
Correct Answer: Promethazine
Explanation:NICE recommends that promethazine may be considered for pregnant women experiencing insomnia, but only after non-medication options such as sleep hygiene measures and psychological interventions have been attempted. It is important to note that promethazine is licensed for sedation and not specifically for insomnia in pregnancy, except in cases where it is associated with urticaria of pruritus. Therefore, its use for insomnia in pregnancy would be considered off-label, although it is supported by NICE.
Paroxetine Use During Pregnancy: Is it Safe?
Prescribing medication during pregnancy and breastfeeding is challenging due to the potential risks to the fetus of baby. No psychotropic medication has a UK marketing authorization specifically for pregnant of breastfeeding women. Women are encouraged to breastfeed unless they are taking carbamazepine, clozapine, of lithium. The risk of spontaneous major malformation is 2-3%, with drugs accounting for approximately 5% of all abnormalities. Valproate and carbamazepine are associated with an increased risk of neural tube defects, and lithium is associated with cardiac malformations. Benzodiazepines are associated with oral clefts and floppy baby syndrome. Antidepressants have been linked to preterm delivery and congenital malformation, but most findings have been inconsistent. TCAs have been used widely without apparent detriment to the fetus, but their use in the third trimester is known to produce neonatal withdrawal effects. Sertraline appears to result in the least placental exposure among SSRIs. MAOIs should be avoided in pregnancy due to a suspected increased risk of congenital malformations and hypertensive crisis. If a pregnant woman is stable on an antipsychotic and likely to relapse without medication, she should continue the antipsychotic. Depot antipsychotics should not be offered to pregnant of breastfeeding women unless they have a history of non-adherence with oral medication. The Maudsley Guidelines suggest specific drugs for use during pregnancy and breastfeeding. NICE CG192 recommends high-intensity psychological interventions for moderate to severe depression and anxiety disorders. Antipsychotics are recommended for pregnant women with mania of psychosis who are not taking psychotropic medication. Promethazine is recommended for insomnia.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 55
Incorrect
-
The data collected represents the ratings given by students to the quality of teaching sessions provided by a consultant psychiatrist. The ratings are on a scale of 1-5, with 1 indicating extremely unsatisfactory and 5 indicating extremely satisfactory. The ratings are used to evaluate the effectiveness of the teaching sessions. How is this data best described?
Your Answer: Binomial
Correct Answer: Ordinal
Explanation:The data gathered will be measured on an ordinal scale, where each answer option is ranked. For instance, 2 is considered lower than 4, and 4 is lower than 5. In an ordinal scale, it is not necessary for the difference between 4 (satisfactory) and 2 (unsatisfactory) to be the same as the difference between 5 (extremely satisfactory) and 3 (neutral). This is because the numbers are not assigned for quantitative measurement but are used for labeling purposes only.
Scales of Measurement in Statistics
In the 1940s, Stanley Smith Stevens introduced four scales of measurement to categorize data variables. Knowing the scale of measurement for a variable is crucial in selecting the appropriate statistical analysis. The four scales of measurement are ratio, interval, ordinal, and nominal.
Ratio scales are similar to interval scales, but they have true zero points. Examples of ratio scales include weight, time, and length. Interval scales measure the difference between two values, and one unit on the scale represents the same magnitude on the trait of characteristic being measured across the whole range of the scale. The Fahrenheit scale for temperature is an example of an interval scale.
Ordinal scales categorize observed values into set categories that can be ordered, but the intervals between each value are uncertain. Examples of ordinal scales include social class, education level, and income level. Nominal scales categorize observed values into set categories that have no particular order of hierarchy. Examples of nominal scales include genotype, blood type, and political party.
Data can also be categorized as quantitative of qualitative. Quantitative variables take on numeric values and can be further classified into discrete and continuous types. Qualitative variables do not take on numerical values and are usually names. Some qualitative variables have an inherent order in their categories and are described as ordinal. Qualitative variables are also called categorical of nominal variables. When a qualitative variable has only two categories, it is called a binary variable.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 56
Incorrect
-
What term is commonly used in reference to the type of therapy offered to dysfunctional families known as strategic family therapy?
Your Answer: Story telling
Correct Answer: Task setting
Explanation:Family Therapy Models
Family therapy emerged in the 1950s, shifting the focus from individual problems to the context of the environment. There are five main models of family therapy: structural, strategic, systemic, transgenerational, and solution-focused.
Structural therapy, developed by Salvador Minuchin, assumes that the family’s structure is wrong and aims to establish clear boundaries and no coalitions. Dysfunctional families are marked by impaired boundaries, inappropriate alignments, and power imbalances.
Strategic therapy, associated with Jay Haley and Cloe Madanes, claims that difficulties in families arise due to distorted hierarchies. Dysfunctional families communicate in problematic repetitive patterns that kept them dysfunctional. Key terms include task setting and goal setting.
Systemic therapy, associated with Mara Selvini-Palazzoli, sees the family as a self-regulating system that controls itself according to rules formed over time. The focus is on exploring differences between family members’ behaviors, emotional responses, and beliefs at different points in time. Key terms include hypothesizing, neutrality, positive connotation, paradox and counterparadox, circular and interventive questioning, and the use of reflecting teams.
Transgenerational family therapy aims to understand how families, across generations, develop patterns of behaving and responding to stress in ways that prevent health development and lead to problems. Seven interlocking concepts make up the theory.
Solution-focused therapy emphasizes solutions over problems and collaborates with the family through in-depth questioning to focus on the solutions already being used by the clients. The therapist is non-interventionist, and the focus is on the present and the future. Blame, shame, and conflict are seen as issues that impede people from realizing these solutions.
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This question is part of the following fields:
- Psychotherapy
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Question 57
Incorrect
-
What is the typical percentage decrease in depressive symptoms that is considered a positive response to treatment in clinical trials for depression?
Your Answer: 80%
Correct Answer: 50%
Explanation:Effectiveness of Antidepressants
In clinical trials, a response to antidepressants is typically defined as a 50% reduction in depression rating scores. For patients with moderate depression, the number needed to treat (NNT) for antidepressants over placebo is 5, while the NNT for antidepressants over true no-treatment is 3. These findings are outlined in the Maudsley Guidelines 14th Edition.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 58
Incorrect
-
What type of child abuse is the most frequently reported?
Your Answer: Sexual abuse
Correct Answer: Neglect
Explanation:The Royal College of Psychiatrists in London published a report in April 2004 on the role of mental health services in addressing child abuse and neglect. The report identifies neglect as the most common form of child abuse, followed by physical abuse, emotional abuse, sexual abuse, and fabricated or induced illness. The report emphasizes the importance of mental health services in addressing and preventing child abuse and neglect.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 59
Incorrect
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What is the relationship between clozapine use and hypersalivation?
Your Answer: It tends to get worse as treatment progresses
Correct Answer: It is potentially life threatening
Explanation:According to the Maudsley Guidelines, there is a likelihood that hypersalivation caused by clozapine is linked to the dosage administered. This condition can lead to asphyxiation, which poses a significant risk to life.
Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 60
Incorrect
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Which substance is linked to zinc deficiency when ingested in cases of pica?
Your Answer: Paint
Correct Answer: Clay
Explanation:Pica: Eating Non-Nutritive Substances
Pica is a condition where a person persistently eats non-nutritive substances for at least a month. The name pica comes from the Latin word for magpie, a bird known for its large and random appetite. To be diagnosed with pica, the behavior must be developmentally inappropriate, not culturally sanctioned, and severe enough to require clinical attention. It is more common in young people than adults and is often associated with mental retardation.
There are various causes of pica, including mental disorders such as autism and schizophrenia, iron and zinc deficiency (although this is rare and not clear if it is a cause of effect), and pregnancy. The DSM-5 requires a minimum age of 2 before a diagnosis can be made. Pregnant women have been reported to experience certain forms of pica, such as geophagia (clay eating) and amylophagia (starch eating).
Pica affects both sexes equally and is estimated to occur in up to 15% of those with severe intellectual disability. However, aside from cases of autistic spectrum disorder of intellectual disability, pica usually remits by adolescence.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 61
Incorrect
-
What is the estimated percentage of patients with schizophrenia who will not adhere to their antipsychotic medication regimen after 24 months of treatment?
Your Answer: 50%
Correct Answer: 75%
Explanation:Non-Compliance
Studies have shown that adherence rates in patients with psychosis who are treated with antipsychotics can range from 25% to 75%. Shockingly, approximately 90% of those who are non-compliant admit to doing so intentionally (Maudsley 12th edition). After being discharged from the hospital, the expected non-compliance rate in individuals with schizophrenia is as follows (Maudsley 12th Edition): 25% at ten days, 50% at one year, and 75% at two years. The Drug Attitude Inventory (DAI) is a useful tool for assessing a patient’s attitude towards medication and predicting compliance. Other scales that can be used include the Rating of Medication Influences Scale (ROMI), the Beliefs about Medication Questionnaire, and the Medication Adherence Rating Scale (MARS).
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This question is part of the following fields:
- General Adult Psychiatry
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Question 62
Correct
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A 65-year-old patient on clozapine has a white blood cell count of 4 10^9/L. Which of the following does this correspond to?
Your Answer: This is a normal blood result
Explanation:Clozapine is an effective antipsychotic drug used in the management of treatment-resistant schizophrenia (TRS). It was reintroduced in the 1990s with mandatory blood monitoring due to the risk of agranulocyte
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This question is part of the following fields:
- General Adult Psychiatry
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Question 63
Incorrect
-
A 16-year-old male is caught spying on his neighbour whilst she is undressing. The police report that this is the fifth time he has been caught doing this in the past 6 months. He is assessed by a psychiatrist and discloses a six-month history of intense urges to watch females undressing in their homes. He denies feeling distressed by these urges.
Which of the following conclusion would be most appropriate in this case according to the DSM-5?Your Answer: A diagnosis of ‘Voyeuristic Disorder’ should not be made as symptoms have not been present for at least 12 months
Correct Answer: A diagnosis of ‘Voyeuristic Disorder’ should not be made as the individual is under the age of 18
Explanation:Voyeuristic disorder is typically observed in adult males who develop a sexual interest in secretly observing individuals without their knowledge. While this interest may first arise during adolescence, a diagnosis of voyeuristic disorder is only made after the age of 18 due to challenges in distinguishing it from normal sexual curiosity during puberty. The DSM-5 identifies voyeuristic behavior as a disorder when it causes harm, which can manifest as either personal distress of engaging in non-consensual acts.
Paraphilias are intense and persistent sexual interests other than sexual interest in genital stimulation of preparatory fondling with phenotypically normal, physically mature, consenting human partners. They are divided into those relating to erotic activity and those relating to erotic target. In order to become a disorder, paraphilias must be associated with distress of impairment to the individual of with harm to others. The DSM-5 lists 8 recognised paraphilic disorder but acknowledges that there are many more. Treatment modalities for the paraphilias have limited scientific evidence to support their use. Psychological therapy (especially CBT) is often used (with extremely variable results). Pharmacological options include SSRI, Naltrexone, Antipsychotics, GnRH agonists, and Anti-androgens and progestational drugs (e.g. cyproterone acetate).
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This question is part of the following fields:
- Forensic Psychiatry
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Question 64
Correct
-
Which statement about confounding is incorrect?
Your Answer: In the analytic stage of a study confounding can be controlled for by randomisation
Explanation:In the analytic stage of a study, confounding cannot be controlled for by the technique of stratification. (This is false, as stratification is a technique commonly used to control for confounding in observational studies.)
Stats Confounding
A confounding factor is a factor that can obscure the relationship between an exposure and an outcome in a study. This factor is associated with both the exposure and the disease. For example, in a study that finds a link between coffee consumption and heart disease, smoking could be a confounding factor because it is associated with both drinking coffee and heart disease. Confounding occurs when there is a non-random distribution of risk factors in the population, such as age, sex, and social class.
To control for confounding in the design stage of an experiment, researchers can use randomization, restriction, of matching. Randomization aims to produce an even distribution of potential risk factors in two populations. Restriction involves limiting the study population to a specific group to ensure similar age distributions. Matching involves finding and enrolling participants who are similar in terms of potential confounding factors.
In the analysis stage of an experiment, researchers can control for confounding by using stratification of multivariate models such as logistic regression, linear regression, of analysis of covariance (ANCOVA). Stratification involves creating categories of strata in which the confounding variable does not vary of varies minimally.
Overall, controlling for confounding is important in ensuring that the relationship between an exposure and an outcome is accurately assessed in a study.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 65
Incorrect
-
What characteristic is commonly observed in individuals with paranoid personality disorder?
Your Answer: Does not learn from mistakes
Correct Answer: Increased sensitivity to criticism and setbacks
Explanation:Paranoid Personality Disorder is a type of personality disorder where individuals have a deep-seated distrust and suspicion of others, often interpreting their actions as malevolent. This disorder is characterized by a pattern of negative interpretations of others’ words, actions, and intentions, leading to a reluctance to confide in others and holding grudges for long periods of time. The DSM-5 criteria for this disorder include at least four of the following symptoms: unfounded suspicions of exploitation, harm, of deception by others, preoccupation with doubts about the loyalty of trustworthiness of friends of associates, reluctance to confide in others due to fear of malicious use of information, reading negative meanings into benign remarks of events, persistent grudges, perceiving attacks on one’s character of reputation that are not apparent to others and reacting angrily of counterattacking, and recurrent suspicions of infidelity in a partner without justification. The ICD-11 does not have a specific category for paranoid personality disorder but covers many of its features under the negative affectivity qualifier under the element of mistrustfulness.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 66
Incorrect
-
Which of the following conditions is not considered a type of frontotemporal lobar degeneration?
Your Answer: Progressive non fluent aphasia
Correct Answer: Lewy body dementia
Explanation:Frontotemporal Lobar Degeneration
Frontotemporal lobar degeneration (FTLD) is a group of neurodegenerative disorders that involve the atrophy of the frontal and temporal lobes. The disease is characterized by progressive dysfunction in executive functioning, behavior, and language, and can mimic psychiatric disorders due to its prominent behavioral features. FTLD is the third most common form of dementia across all age groups and a leading type of early-onset dementia.
The disease has common features such as onset before 65, insidious onset, relatively preserved memory and visuospatial skills, personality change, and social conduct problems. There are three recognized subtypes of FTLD: behavioral-variant (bvFTD), language variant – primary progressive aphasia (PPA), and the language variant is further subdivided into semantic variant PPA (aka semantic dementia) and non-fluent agrammatic variant PPA (nfvPPA).
As the disease progresses, the symptoms of the three clinical variants can converge, as an initially focal degeneration becomes more diffuse and spreads to affect large regions in the frontal and temporal lobes. The key differences between the subtypes are summarized in the table provided. The bvFTD subtype is characterized by poor personal and social decorum, disinhibition, poor judgment and problem-solving, apathy, compulsive/perseverative behavior, hyperorality of dietary changes, and loss of empathy. The nfvPPA subtype is characterized by slow/slurred speech, decreased word output and phrase length, word-finding difficulties, apraxia of speech, and spared single-word comprehension. The svPPA subtype is characterized by intact speech fluency, word-finding difficulties (anomia), impaired single-word comprehension, repetitive speech, and reduced word comprehension.
In conclusion, FTLD is a progressive, heterogeneous, neurodegenerative disorder that affects the frontal and temporal lobes. The disease is characterized by dysfunction in executive functioning, behavior, and language, and can mimic psychiatric disorders due to its prominent behavioral features. There are three recognized subtypes of FTLD, and as the disease progresses, the symptoms of the three clinical variants can converge.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 67
Correct
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A 40-year-old female has been smoking marijuana for 15 years. Her usage has gradually escalated and she now spends $150 a day on marijuana which she obtains through theft and shoplifting. She does not consume any other substances and does not excessively drink alcohol. She comes to your clinic for detoxification.
What is the symptom group that she is least likely to exhibit?Your Answer: Dilated pupils and diarrhoea
Explanation:The symptom clusters mentioned are commonly associated with cannabis withdrawal, with the exception of dilation of pupils and diarrhea, which are more commonly associated with opiate withdrawal. This has led to calls for cannabis withdrawal to be recognized as a clinically significant issue and included in future diagnostic criteria.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 68
Incorrect
-
A medical colleague contacts you for advice regarding the management of a teenage patient with HIV. You have previously looked after this patient due to her having borderline personality disorder and mania. The patient has a long history of self-harm and remains at high risk of suicide. Which of the following antiretrovirals would you suggest your colleague specifically avoid in this case?:
Your Answer: Zidovudine
Correct Answer: Efavirenz
Explanation:For exams, it is important to be aware that Efavirenz, an antiretroviral, has been associated with both mania and fatal suicide.
HIV and Mental Health: Understanding the Relationship and Treatment Options
Human immunodeficiency virus (HIV) is a blood-borne virus that causes cellular immune deficiency, resulting in a decrease in the number of CD4+ T-cells. People with severe mental illness are at increased risk of contracting and transmitting HIV, and the prevalence of HIV infection among them is higher than in the general population. Antiretroviral drugs are used to manage HIV, but they are not curative.
Depression is the most common mental disorder in the HIV population, and it can result from HIV of the psycho-social consequences of having the condition. HIV-associated neurocognitive disorder (HAND) is the umbrella term for the spectrum of neurocognitive impairment induced by HIV, ranging from mild impairment through to dementia. Poor episodic memory is the most frequently reported cognitive difficulty in HIV-positive individuals.
Treatment options for mental health issues in people with HIV include atypical antipsychotics for psychosis, SSRIs for depression and anxiety, valproate for bipolar disorder, and antiretroviral therapy for HAND. It is important to avoid benzodiazepines for delirium and MAOIs for depression. Understanding the relationship between HIV and mental health and providing appropriate treatment options can improve the quality of life for people living with HIV.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 69
Incorrect
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Which term is used to refer to the alternative hypothesis in hypothesis testing?
a) Research hypothesis
b) Statistical hypothesis
c) Simple hypothesis
d) Null hypothesis
e) Composite hypothesisYour Answer: Composite hypothesis
Correct Answer: Research hypothesis
Explanation:Understanding Hypothesis Testing in Statistics
In statistics, it is not feasible to investigate hypotheses on entire populations. Therefore, researchers take samples and use them to make estimates about the population they are drawn from. However, this leads to uncertainty as there is no guarantee that the sample taken will be truly representative of the population, resulting in potential errors. Statistical hypothesis testing is the process used to determine if claims from samples to populations can be made and with what certainty.
The null hypothesis (Ho) is the claim that there is no real difference between two groups, while the alternative hypothesis (H1 of Ha) suggests that any difference is due to some non-random chance. The alternative hypothesis can be one-tailed of two-tailed, depending on whether it seeks to establish a difference of a change in one direction.
Two types of errors may occur when testing the null hypothesis: Type I and Type II errors. Type I error occurs when the null hypothesis is rejected when it is true, while Type II error occurs when the null hypothesis is accepted when it is false. The power of a study is the probability of correctly rejecting the null hypothesis when it is false, and it can be increased by increasing the sample size.
P-values provide information on statistical significance and help researchers decide if study results have occurred due to chance. The p-value is the probability of obtaining a result that is as large of larger when in reality there is no difference between two groups. The cutoff for the p-value is called the significance level (alpha level), typically set at 0.05. If the p-value is less than the cutoff, the null hypothesis is rejected, and if it is greater or equal to the cut off, the null hypothesis is not rejected. However, the p-value does not indicate clinical significance, which may be too small to be meaningful.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 70
Incorrect
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What is the most frequently observed symptom in children diagnosed with bodily distress disorder?
Your Answer: Insomnia
Correct Answer: Abdominal pain
Explanation:According to ICD-11, the bodily symptoms that are most frequently reported by children and adolescents are gastrointestinal symptoms that occur repeatedly (such as abdominal pain and nausea), fatigue, headaches, and musculoskeletal pain. Typically, children tend to experience one recurring symptom rather than multiple bodily symptoms.
Somatoform and dissociative disorders are two groups of psychiatric disorders that are characterized by physical symptoms and disruptions in the normal integration of identity, sensations, perceptions, affects, thoughts, memories, control over bodily movements, of behavior. Somatoform disorders are characterized by physical symptoms that are presumed to have a psychiatric origin, while dissociative disorders are characterized by the loss of integration between memories, identity, immediate sensations, and control of bodily movements. The ICD-11 lists two main types of somatoform disorders: bodily distress disorder and body integrity dysphoria. Dissociative disorders include dissociative neurological symptom disorder, dissociative amnesia, trance disorder, possession trance disorder, dissociative identity disorder, partial dissociative identity disorder, depersonalization-derealization disorder, and other specified dissociative disorders. The symptoms of these disorders result in significant impairment in personal, family, social, educational, occupational, of other important areas of functioning. Diagnosis of these disorders involves a thorough evaluation of the individual’s symptoms and medical history, as well as ruling out other possible causes of the symptoms.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 71
Incorrect
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When comparing the effectiveness of various psychological therapies, what has consistently been found to be the most reliable indicator of success in therapy?
Your Answer: Having an above average IQ
Correct Answer: The strength of the therapeutic alliance
Explanation:Studies have consistently found that the most important factor in the effectiveness of psychotherapy is the strength of the relationship between the therapist and client, rather than specific features of the therapy itself. While there has been some questioning of the idea that all psychotherapies are equally effective, common factors such as warmth, empathy, and a strong therapeutic relationship are still better predictors of success than individual patient of therapy factors. While allowing for emotional release may be helpful early on, it can become counterproductive if it occurs too frequently and leads to intense emotional outbursts. While having an above average IQ and being married may be associated with better outcomes, the strength of the therapeutic alliance is still the most important factor. Additionally, having had psychotherapy in the past does not necessarily indicate a positive response to future interventions.
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This question is part of the following fields:
- Psychotherapy
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Question 72
Incorrect
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What is the approximate lifetime prevalence of OCD?
Your Answer: 10%
Correct Answer: 1.50%
Explanation:Approximately, what percentage of individuals are estimated to experience OCD at some point in their lifetime?
Maudsley Guidelines
First choice: SSRI of clomipramine (SSRI preferred due to tolerability issues with clomipramine)
Second line:
– SSRI + antipsychotic
– Citalopram + clomipramine
– Acetylcysteine + (SSRI of clomipramine)
– Lamotrigine + SSRI
– Topiramate + SSRI -
This question is part of the following fields:
- General Adult Psychiatry
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Question 73
Incorrect
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What is the truth about the use of chlordiazepoxide in alcohol withdrawal?
Your Answer: It is highly potent
Correct Answer: It is a good first line treatment
Explanation:Alcohol withdrawal is characterized by overactivity of the autonomic nervous system, resulting in symptoms such as agitation, tremors, sweating, nausea, vomiting, fever, and tachycardia. These symptoms typically begin 3-12 hours after drinking stops, peak between 24-48 hours, and can last up to 14 days. Withdrawal seizures may occur before blood alcohol levels reach zero, and a small percentage of people may experience delirium tremens (DT), which can be fatal if left untreated. Risk factors for DT include abnormal liver function, old age, severity of withdrawal symptoms, concurrent medical illness, heavy alcohol use, self-detox, previous history of DT, low potassium, low magnesium, and thiamine deficiency.
Pharmacologically assisted detox is often necessary for those who regularly consume more than 15 units of alcohol per day, and inpatient detox may be needed for those who regularly consume more than 30 units per day. The Clinical Institute Withdrawal Assessment of Alcohol Scale (CIWA-Ar) can be used to assess the severity of withdrawal symptoms and guide treatment decisions. Benzodiazepines are the mainstay of treatment, as chronic alcohol exposure results in decreased overall brain excitability and compensatory decrease of GABA-A neuroreceptor response to GABA. Chlordiazepoxide is a good first-line agent, while oxazepam, temazepam, and lorazepam are useful in patients with liver disease. Clomethiazole is effective but carries a high risk of respiratory depression and is not recommended. Thiamine should be offered to prevent Wernicke’s encephalopathy, and long-acting benzodiazepines can be used as prophylaxis for withdrawal seizures. Haloperidol is the treatment of choice if an antipsychotic is required.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 74
Incorrect
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What is the estimated global prevalence of ADHD in children?
Your Answer: 1.50%
Correct Answer: 7%
Explanation:ADHD is a prevalent disorder worldwide, with a prevalence of 7% in those under 18 and 3.5% in those over 18. It is more common in males, with a male to female ratio of 2:1 in children and 1.6:1 in adults. While some improvement in symptoms is seen over time, the majority of those diagnosed in childhood continue to struggle with residual symptoms and impairments through at least young adulthood, with an estimated persistence rate of 50%.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 75
Incorrect
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A worldwide epidemic of influenza is known as a:
Your Answer: Polydemic
Correct Answer: Pandemic
Explanation:Epidemiology Key Terms
– Epidemic (Outbreak): A rise in disease cases above the anticipated level in a specific population during a particular time frame.
– Endemic: The regular of anticipated level of disease in a particular population.
– Pandemic: Epidemics that affect a significant number of individuals across multiple countries, regions, of continents. -
This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 76
Incorrect
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At what age is encopresis typically diagnosed?
Your Answer: Age 6
Correct Answer: Age 4
Explanation:Elimination Disorders
Elimination disorders refer to conditions that affect a child’s ability to control their bladder of bowel movements. Enuresis, of lack of control over the bladder, typically occurs between the ages of 1-3, while control over the bowel usually occurs before that of the bladder for most toddlers. Toilet training can be influenced by various factors, including intellectual capacity, cultural determinants, and psychological interactions between the child and their parents.
Enuresis is characterized by involuntary voiding of urine, by day and/of by night, which is abnormal in relation to the individual’s age and is not a result of any physical abnormality. It is not normally diagnosed before age 5 and may be primary (the child never having achieved continence) of secondary. Treatment options include reassurance, enuresis alarms, and medication.
Encopresis refers to repeated stool evacuation in inappropriate places in children over the age of four. The behavior can be either involuntary of intentional and may be due to unsuccessful toilet training (primary encopresis) of occur after a period of normal bowel control (secondary encopresis). Treatment generally involves bowel clearance, prevention of impaction, and behavioral therapy.
Before a diagnosis of encopresis is made, organic causes must be excluded. Hirschsprung’s disease is a condition that results from an absence of parasympathetic ganglion cells in the rectum, colon, and sometimes the small intestine. It leads to a colonic obstruction and is diagnosed in at least half of all cases in the first year of life. It is twice as common in boys than in girls.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 77
Incorrect
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A 28-year-old pregnant patient with a family history of bipolar disorder presents in a manic state. What is the recommended initial medication for treatment?
Your Answer: Lithium
Correct Answer: Haloperidol
Explanation:When a pregnant woman experiences mania of psychosis without taking any psychotropic medication, the first-line treatment option should be an antipsychotic. If the patient does not respond to the maximum dose of the antipsychotic of if the mania is severe, lithium can be considered as an alternative. However, if the patient does not respond to lithium, ECT may be considered, although the question specifically asks about pharmacological treatment. It is not recommended to use valproate to treat mental health problems in women of childbearing age due to the risk of fetal abnormalities. Diazepam is unlikely to be effective, and if benzodiazepines are necessary during pregnancy, drugs with a shorter half-life should be preferred to avoid the risk of ‘floppy baby’ syndrome.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 78
Incorrect
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Which of the following is not a symptom commonly linked to alcohol intoxication?
Your Answer: Conjunctival injection
Correct Answer: Hyperreflexia
Explanation:Alcohol intoxication typically results in a decrease in reflexes and an increase in reaction times.
Alcohol Intoxication
Symptoms of moderate alcohol intoxication can include a range of effects on the body and mind. These may include poor concentration, impaired reaction times, conjunctival injection, pinpoint pupils, poor coordination, memory difficulties, impaired judgement, and impaired sense of time and space. It is important to be aware of these symptoms and to avoid driving of operating heavy machinery while under the influence of alcohol.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 79
Correct
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What percentage of individuals with an intellectual disability cannot have a cause identified?
Your Answer: 60%
Explanation:Aetiology of Intellectual Disability
Intellectual disability (ID), previously known as learning disability, affects between 1% and 3% of the global population. The severity of ID varies, with mild cases being the most common, affecting around 85% of those with the condition. Moderate, severe, and profound cases affect 10%, 4%, and 2% of the population, respectively. The cause of ID can be attributed to environmental and/of genetic factors, although up to 60% of cases have no identifiable cause. Genetic factors are responsible for 25-50% of cases, with the likelihood increasing with the severity of the condition. Down Syndrome is the most common genetic cause of ID, while Fragile X syndrome is the most common X-linked cause and the second most common genetic cause of learning difficulty. Foetal alcohol syndrome is the most common acquired form of ID.
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This question is part of the following fields:
- Learning Disability
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Question 80
Incorrect
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What is the name of the tool that utilizes data collected from the evaluation of an individual suspected of having autism to aid in the diagnosis of the condition?
Your Answer: PDDBI
Correct Answer: ADOS
Explanation:The CSBQ is a questionnaire completed by caregivers to identify symptoms of pervasive developmental disorder, while the PDDBI is a rating scale completed by parents of caregivers for the same purpose.
Autism is a complex disorder that can be difficult to diagnose in adults. To aid in the diagnosis and assessment of adults with suspected autistic spectrum disorder, NICE recommends the use of various assessment tools. These tools include the ADI-R, a semi-structured interview of caregivers of individuals with autism, the ADOS-G, a semi-structured assessment that involves the use of observational schedules, and the AAA, a three-part diagnostic instrument consisting of two screening instruments and a clinician-conducted diagnostic questionnaire. Other recommended tools include the ASDI, a brief structured interview for the assessment of Asperger syndrome, and the RAADS-R, an 80-item self-rating diagnostic scale for adults with average of above average intelligence. To streamline the assessment process, it is recommended to use a formal assessment tool such as the DISCO, ADOS-G, of ADI-R.
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This question is part of the following fields:
- Learning Disability
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Question 81
Correct
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What statement accurately describes population parameters?
Your Answer: Parameters tend to have normal distributions
Explanation:Parametric vs Non-Parametric Statistics
Statistics are used to draw conclusions about a population based on a sample. A parameter is a numerical value that describes a population characteristic, but it is often impossible to know the true value of a parameter without collecting data from every individual in the population. Instead, we take a sample and use statistics to estimate the parameters.
Parametric statistical procedures assume that the population distribution is normal and that the parameters (such as means and standard deviations) are known. Examples of parametric tests include the t-test, ANOVA, and Pearson coefficient of correlation.
Non-parametric statistical procedures make few of no assumptions about the population distribution of parameters. Examples of non-parametric tests include the Mann-Whitney Test, Wilcoxon Signed-Rank Test, Kruskal-Wallis Test, and Fisher Exact Probability test.
Overall, the choice between parametric and non-parametric tests depends on the nature of the data and the research question being asked.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 82
Correct
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A patient in his late 60s with a long standing dependence on alcohol attends his GP complaining of dizziness and abdominal pain. He explains that he has had a cold for a few days and thinks it may be connected. He attended the substance misuse clinic two weeks ago and was prescribed a medication to help him remain abstinent from alcohol. He assures you that he has been abstinent from alcohol for the past two weeks. Based on his presentation, which of the following would you suspect he has been prescribed by the clinic?:
Your Answer: Disulfiram
Explanation:Chlordiazepoxide and clomethiazole are medications prescribed for managing symptoms of alcohol withdrawal.
Anticonvulsants are not recommended for relapse prevention in alcohol dependence. While some studies have shown potential benefits for certain anticonvulsants, such as carbamazepine and valproate, the evidence is not strong enough to support their routine use. Additionally, these drugs can have significant side effects, including liver toxicity and blood disorders, and require careful monitoring. Therefore, they are not recommended by NICE for this indication.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 83
Correct
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What is a correct statement about funnel plots?
Your Answer: Each dot represents a separate study result
Explanation:An asymmetric funnel plot may indicate the presence of publication bias, although this is not a definitive confirmation. The x-axis typically represents a measure of effect, such as the risk ratio of odds ratio, although other measures may also be used.
Stats Publication Bias
Publication bias refers to the tendency for studies with positive findings to be published more than studies with negative findings, leading to incomplete data sets in meta-analyses and erroneous conclusions. Graphical methods such as funnel plots, Galbraith plots, ordered forest plots, and normal quantile plots can be used to detect publication bias. Funnel plots are the most commonly used and offer an easy visual way to ensure that published literature is evenly weighted. The x-axis represents the effect size, and the y-axis represents the study size. A symmetrical, inverted funnel shape indicates that publication bias is unlikely, while an asymmetrical funnel indicates a relationship between treatment effect and study size, indicating either publication bias of small study effects.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 84
Incorrect
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A manic adolescent who has already had 3 manic episodes in the past 10 months is admitted to hospital for treatment. He is currently taking both lithium and valproate at maximum dose. Which of the following would be appropriate as an augmentation agent?
Your Answer: Tranylcypromine
Correct Answer: Quetiapine
Explanation:If a patient is experiencing mania, it is important to avoid administering antidepressants such as dosulepin, moclobemide, and tranylcypromine as they may exacerbate the condition. Instead, the Maudsley recommends the use of quetiapine and other appropriate medications.
Bipolar Disorder: Diagnosis and Management
Bipolar disorder is a lifelong condition characterized by episodes of mania or hypomania and episodes of depressed mood. The peak age of onset is 15-19 years, and the lifetime prevalence of bipolar I disorders is estimated to be around 2.1%. The diagnosis of bipolar disorder is based on the presence of manic or hypomanic episodes, which are characterized by elevated of expansive mood, rapid speech, and increased activity of energy. Psychotic symptoms, such as delusions and hallucinations, may also be present.
Bipolar depression differs from unipolar depression in several ways, including more rapid onset, more frequent episodes, and shorter duration. Rapid cycling is a qualifier that can be applied to bipolar I of bipolar II disorder and is defined as the presence of at least four mood episodes in the previous 12 months that meet the criteria for a manic, hypomanic, of major depressive episode.
The management of bipolar disorder involves acute and long-term interventions. Acute management of mania or hypomania may involve stopping antidepressants and offering antipsychotics of mood stabilizers. Long-term management may involve psychological interventions and pharmacological treatments such as lithium, valproate, of olanzapine.
It is important to note that valproate should not be offered to women of girls of childbearing potential for long-term bipolar disorder unless other options are ineffective of not tolerated and a pregnancy prevention program is in place. Aripiprazole is recommended as an option for treating moderate to severe manic episodes in adolescents with bipolar I disorder.
Overall, the diagnosis and management of bipolar disorder require a comprehensive approach that takes into account the individual’s symptoms, history, and preferences.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 85
Incorrect
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A teacher makes regular visits to a student. During these visits she reinforces adaptive behaviours with praise and tries to improve the student's self-esteem. Which type of therapy is being provided?
Your Answer: Transference focussed therapy
Correct Answer: Supportive psychotherapy
Explanation:Supportive Psychotherapy: An Overview
Supportive psychotherapy is a widely used approach in psychiatry, often reserved for clients who are not suitable for other forms of therapy. It aims to provide emotional support and encouragement to help people cope with overwhelming stress and restore them to their previous level of functioning. This therapy is not based on any specific psychological theory and is eclectic in approach.
Supportive psychotherapy is generally used with two different patient groups: those who were otherwise functioning well but have become symptomatic due to stress, and those who are not suitable for other forms of therapy. The goal of therapy is to help the patient get on with their life as best as possible, without disrupting reasonable defenses of generating conflicts.
The therapist avoids confrontation and transference issues are rarely analyzed. However, the therapeutic aims of long-term supportive psychotherapy include establishing a therapeutic alliance, holding and containing, promoting awareness of transference issues, promoting stability, facilitating the maturation of defenses, and promoting better adaptation to reality.
Supportive psychotherapy has been dismissed as ‘hand holding,’ but it should not be underestimated. It is suitable for most patients and is often the only therapy that can help when others have failed. Much of the work doctors do in outpatient clinics could be classified as supportive psychotherapy.
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This question is part of the following fields:
- Psychotherapy
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Question 86
Correct
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What is a true statement about disulfiram?
Your Answer: It is contraindicated in those with psychosis
Explanation:Anticonvulsants are not recommended for relapse prevention in alcohol dependence. While some studies have shown potential benefits for certain anticonvulsants, such as carbamazepine and valproate, the evidence is not strong enough to support their routine use. Additionally, these drugs can have significant side effects, including liver toxicity and blood disorders, and require careful monitoring. Therefore, they are not recommended by NICE for this indication.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 87
Incorrect
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What is the genetic condition that occurs due to the removal of genetic material from chromosome 22?
Your Answer: Smith-Magenis syndrome
Correct Answer: DiGeorge syndrome
Explanation:DiGeorge syndrome is primarily caused by a deletion on chromosome 22 and presents with a range of symptoms. To aid in remembering the chromosome involved and some of the signs and symptoms, a mnemonic is used. These include cardiac abnormalities such as tetralogy of Fallot, abnormal facies with almond-shaped eyes and low-set ears, thymic aplasia leading to recurrent infections, cleft palate, and hypocalcemia/hypoparathyroidism causing short stature and seizures. Additionally, individuals with DiGeorge syndrome often have a degree of learning disability and are at an increased risk for psychiatric conditions such as depression, ADHD, and schizophrenia.
Genetic Conditions and Their Features
Genetic conditions are disorders caused by abnormalities in an individual’s DNA. These conditions can affect various aspects of a person’s health, including physical and intellectual development. Some of the most common genetic conditions and their features are:
– Downs (trisomy 21): Short stature, almond-shaped eyes, low muscle tone, and intellectual disability.
– Angelman syndrome (Happy puppet syndrome): Flapping hand movements, ataxia, severe learning disability, seizures, and sleep problems.
– Prader-Willi: Hyperphagia, excessive weight gain, short stature, and mild learning disability.
– Cri du chat: Characteristic cry, hypotonia, down-turned mouth, and microcephaly.
– Velocardiofacial syndrome (DiGeorge syndrome): Cleft palate, cardiac problems, and learning disabilities.
– Edwards syndrome (trisomy 18): Severe intellectual disability, kidney malformations, and physical abnormalities.
– Lesch-Nyhan syndrome: Self-mutilation, dystonia, and writhing movements.
– Smith-Magenis syndrome: Pronounced self-injurious behavior, self-hugging, and a hoarse voice.
– Fragile X: Elongated face, large ears, hand flapping, and shyness.
– Wolf Hirschhorn syndrome: Mild to severe intellectual disability, seizures, and physical abnormalities.
– Patau syndrome (trisomy 13): Severe intellectual disability, congenital heart malformations, and physical abnormalities.
– Rett syndrome: Regression and loss of skills, hand-wringing movements, and profound learning disability.
– Tuberous sclerosis: Hamartomatous tumors, epilepsy, and behavioral issues.
– Williams syndrome: Elfin-like features, social disinhibition, and advanced verbal skills.
– Rubinstein-Taybi syndrome: Short stature, friendly disposition, and moderate learning disability.
– Klinefelter syndrome: Extra X chromosome, low testosterone, and speech and language issues.
– Jakob’s syndrome: Extra Y chromosome, tall stature, and lower mean intelligence.
– Coffin-Lowry syndrome: Short stature, slanting eyes, and severe learning difficulty.
– Turner syndrome: Short stature, webbed neck, and absent periods.
– Niemann Pick disease (types A and B): Abdominal swelling, cherry red spot, and feeding difficulties.It is important to note that these features may vary widely among individuals with the same genetic condition. Early diagnosis and intervention can help individuals with genetic conditions reach their full potential and improve their quality of life.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 88
Incorrect
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What is a known contributing factor to the development of ADHD?
Your Answer: Spring birth
Correct Answer: Maternal smoking during pregnancy
Explanation:Risk Factors for ADHD
There are several risk factors associated with the development of ADHD. According to the NICE guidelines, these include maternal smoking, alcohol consumption, and heroin use during pregnancy, as well as low birth weight and fetal hypoxia. Additionally, severe early psychosocial adversity has also been identified as a potential risk factor for ADHD. This refers to experiences of significant stress of trauma during early childhood, such as abuse, neglect, of exposure to violence. These factors can have a lasting impact on a child’s development and may contribute to the development of ADHD symptoms. It is important for healthcare professionals to be aware of these risk factors and to provide appropriate support and interventions to children and families who may be affected.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 89
Incorrect
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A 30 year old patient needs medication for opiate withdrawal, during a regular physical check-up it is discovered that they have a significantly low blood pressure.
What should be avoided in this case?Your Answer: Methadone
Correct Answer: Lofexidine
Explanation:Opioid Maintenance Therapy and Detoxification
Withdrawal symptoms can occur after as little as 5 days of regular opioid use. Short-acting opioids like heroin have acute withdrawal symptoms that peak in 32-72 hours and last for 3-5 days. Longer-acting opioids like methadone have acute symptoms that peak at day 4-6 and last for 10 days. Buprenorphine withdrawal lasts up to 10 days and includes symptoms like myalgia, anxiety, and increased drug craving.
Opioids affect the brain through opioid receptors, with the µ receptor being the main target for opioids. Dopaminergic cells in the ventral tegmental area produce dopamine, which is released into the nucleus accumbens upon stimulation of µ receptors, producing euphoria and reward. With repeat opioid exposure, µ receptors become less responsive, causing dysphoria and drug craving.
Methadone and buprenorphine are maintenance-oriented treatments for opioid dependence. Methadone is a full agonist targeting µ receptors, while buprenorphine is a partial agonist targeting µ receptors and a partial k agonist of functional antagonist. Naloxone and naltrexone are antagonists targeting all opioid receptors.
Methadone is preferred over buprenorphine for detoxification, and ultra-rapid detoxification should not be offered. Lofexidine may be considered for mild of uncertain dependence. Clonidine and dihydrocodeine should not be used routinely in opioid detoxification. The duration of detoxification should be up to 4 weeks in an inpatient setting and up to 12 weeks in a community setting.
Pregnant women dependent on opioids should use opioid maintenance treatment rather than attempt detoxification. Methadone is preferred over buprenorphine, and transfer to buprenorphine during pregnancy is not advised. Detoxification should only be considered if appropriate for the women’s wishes, circumstances, and ability to cope. Methadone or buprenorphine treatment is not a contraindication to breastfeeding.
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This question is part of the following fields:
- Substance Misuse/Addictions
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Question 90
Incorrect
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According to Klerman's bipolar subtypes, which of the following refers to hypomania of mania precipitated by antidepressant drugs?
Your Answer: Bipolar I
Correct Answer: Bipolar IV
Explanation:Bipolar Disorder: Historical Subtypes
Bipolar disorder is a complex mental illness that has been classified into several subtypes over the years. The most widely recognized subtypes are Bipolar I, Bipolar II, and Cyclothymia. However, there have been other classification systems proposed by experts in the field.
In 1981, Gerald Klerman proposed a classification system that included Bipolar I, Bipolar II, Bipolar III, Bipolar IV, Bipolar V, and Bipolar VI. This system was later expanded by Akiskal in 1999, who added more subtypes such as Bipolar I 1/2, Bipolar II 1/2, and Bipolar III 1/2.
Bipolar I is characterized by full-blown mania, while Bipolar II is characterized by hypomania with depression. Cyclothymia is a milder form of bipolar disorder that involves cycling between hypomania and mild depression.
Other subtypes include Bipolar III, which is associated with hypomania of mania precipitated by antidepressant drugs, and Bipolar IV, which is characterized by hyperthymic depression. Bipolar V is associated with depressed patients who have a family history of bipolar illness, while Bipolar VI is characterized by mania without depression (unipolar mania).
Overall, the classification of bipolar disorder subtypes has evolved over time, and different experts have proposed different systems. However, the most widely recognized subtypes are still Bipolar I, Bipolar II, and Cyclothymia.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 91
Incorrect
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A senior citizen is referred to the memory clinic by their GP due to mild cognitive impairment. You rule out reversible causes and confirm that they are not prescribed any medications which might contribute to cognitive impairment.
The senior citizen is concerned about progression to Alzheimer's disease.
What would you advise has the best evidence to improve their cognitive performance at this stage?Your Answer: Vitamin E
Correct Answer: Exercise
Explanation:Mild cognitive impairment (MCI) is a condition where individuals experience cognitive impairment but are still able to perform daily activities with minimal difficulty. However, those with MCI are at a higher risk of developing dementia compared to those without the condition. While there are currently no pharmacological options available, regular exercise has been shown to be the most effective intervention for MCI. It is important to note that some individuals with MCI may remain stable of even return to normal neurological function. These findings were reported in a practice guideline update summary by Peterson in the journal Neurology.
Treatment of Dementia: AChE Inhibitors and Memantine
Dementia is a debilitating condition that affects millions of people worldwide. Acetylcholinesterase inhibitors (AChE inhibitors) and memantine are two drugs used in the management of dementia. AChE inhibitors prevent cholinesterase from breaking down acetylcholine, which is deficient in Alzheimer’s due to loss of cholinergic neurons. Donepezil, galantamine, and rivastigmine are AChE inhibitors used in the management of Alzheimer’s. Memantine is an NMDA receptor antagonist that blocks the effects of pathologically elevated levels of glutamate that may lead to neuronal dysfunction.
NICE guidelines recommend the use of AChE inhibitors for managing mild to moderate Alzheimer’s and memantine for managing moderate to severe Alzheimer’s. For those already taking an AChE inhibitor, memantine can be added if the disease is moderate of severe. AChE inhibitors are also recommended for managing mild, moderate, and severe dementia with Lewy bodies, while memantine is considered if AChE inhibitors are not tolerated of contraindicated. AChE inhibitors and memantine are not recommended for vascular dementia, frontotemporal dementia, of cognitive impairment due to multiple sclerosis.
The British Association for Psychopharmacology recommends AChE inhibitors as the first choice for Alzheimer’s and mixed dementia, while memantine is the second choice. AChE inhibitors and memantine are also recommended for dementia with Parkinson’s and dementia with Lewy bodies.
In summary, AChE inhibitors and memantine are important drugs used in the management of dementia. The choice of drug depends on the type and severity of dementia, as well as individual patient factors.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 92
Incorrect
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Which group had the highest incidence rates for psychosis according to the AESOP study?
Your Answer: Other
Correct Answer: African-Caribbean
Explanation:The AESOP study is a first-presentation study of schizophrenia and other psychotic disorders that identified all people presenting to services with psychotic symptoms in well-defined catchment areas in South London, Nottingham and Bristol. The study aimed to elucidate the overall rates of psychotic disorder in the 3 centres, confirm and extend previous findings of raised rates of psychosis in certain migrant groups in the UK, and explore in detail the biological and social risk factors in these populations and their possible interactions. The study found that the incidence of all psychoses was higher in African-Caribbean and Black African populations, particularly in schizophrenia and manic psychosis. These groups were also more likely to be compulsorily admitted to hospital and come to the attention of mental health services via police of other criminal justice agencies, and less likely to come via the GP.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 93
Incorrect
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What is the most prevalent type of disorder among secondary school children residing in England, based on the 2017 survey data?
Your Answer: Conduct disorder
Correct Answer: Emotional disorders
Explanation:Conduct disorder is prevalent among children aged 5-15, while emotional problems are the primary concern for secondary school-aged children. Conversely, primary-aged children are more likely to exhibit behavioural problems.
Epidemiology of Mental Health Disorders in Children and Adolescents
The Department of Health (DoH) survey titled The Mental Health of Children and Young People in England is the primary source of epidemiological data on children and adolescents aged 2-19. The latest survey was conducted in 2017 and involved over 9000 participants. The data was collected through interviews with the child, their parent, and their teacher (if school-aged).
The survey found that 1 in 8 children aged 5-19 had a mental disorder, with emotional disorders being the most common, followed by behavioural, hyperactivity, and other disorders such as ASD, eating disorders, and tic disorders. The prevalence of mental disorders has slightly increased over recent decades, with a rise in emotional problems since 2004.
Rates of mental disorders tend to be higher in older age groups, but there is some inconsistency with behavioural and hyperactivity types. For preschool children, 1 in 18 had at least one mental disorder, while for primary school children, 1 in 10 had at least one mental disorder, with behavioural and emotional disorders being the most common. Rates of emotional disorders were similar in boys and girls, while other types of disorders were more common in boys.
For secondary school children, 1 in 7 had at least one mental disorder, with emotional disorders being the most common. Among those aged 17-19, 1 in 6 had at least one mental disorder, with emotional disorders being the most common, mainly anxiety. Girls aged 17-19 had the highest likelihood of having a mental disorder, with nearly one in four having a mental disorder and 22.4% having an emotional disorder.
In summary, the epidemiology of mental health disorders in children and adolescents in England highlights the need for early intervention and support for emotional and behavioural problems, particularly in older age groups and among girls.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 94
Incorrect
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A man who has recently turned 60 and is still taking medication for hypertension develops mania. He fails to respond to olanzapine. Considering the fact that he is taking medication for hypertension, which of the following is the most appropriate next step?
Your Answer: Topiramate
Correct Answer: Quetiapine
Explanation:Paroxetine Use During Pregnancy: Is it Safe?
Prescribing medication during pregnancy and breastfeeding is challenging due to the potential risks to the fetus of baby. No psychotropic medication has a UK marketing authorization specifically for pregnant of breastfeeding women. Women are encouraged to breastfeed unless they are taking carbamazepine, clozapine, of lithium. The risk of spontaneous major malformation is 2-3%, with drugs accounting for approximately 5% of all abnormalities. Valproate and carbamazepine are associated with an increased risk of neural tube defects, and lithium is associated with cardiac malformations. Benzodiazepines are associated with oral clefts and floppy baby syndrome. Antidepressants have been linked to preterm delivery and congenital malformation, but most findings have been inconsistent. TCAs have been used widely without apparent detriment to the fetus, but their use in the third trimester is known to produce neonatal withdrawal effects. Sertraline appears to result in the least placental exposure among SSRIs. MAOIs should be avoided in pregnancy due to a suspected increased risk of congenital malformations and hypertensive crisis. If a pregnant woman is stable on an antipsychotic and likely to relapse without medication, she should continue the antipsychotic. Depot antipsychotics should not be offered to pregnant of breastfeeding women unless they have a history of non-adherence with oral medication. The Maudsley Guidelines suggest specific drugs for use during pregnancy and breastfeeding. NICE CG192 recommends high-intensity psychological interventions for moderate to severe depression and anxiety disorders. Antipsychotics are recommended for pregnant women with mania of psychosis who are not taking psychotropic medication. Promethazine is recommended for insomnia.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 95
Incorrect
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What is a true statement regarding schizophrenia in women?
Your Answer: Women with schizophrenia show worse premorbid functioning than men
Correct Answer: Schizophrenia in women is associated with fewer structural brain abnormalities than in men
Explanation:Schizophrenia presents differently in men and women. Women tend to have a later onset and respond better to treatment, requiring lower doses of antipsychotics. Men, on the other hand, have an earlier onset, poorer premorbid functioning, and more negative symptoms and cognitive deficits. They also have greater structural brain and neurophysiological abnormalities. Females display more affective symptoms, auditory hallucinations, and persecutory delusions, but have a more favorable short- and middle-term course of illness with less smoking and substance abuse. Families of males are more critical, and expressed emotion has a greater negative impact on them. Certain neurological soft signs may be more prevalent in males. There are no clear sex differences in family history, obstetric complications, and minor physical anomalies.
Schizophrenia Epidemiology
Prevalence:
– In England, the estimated annual prevalence for psychotic disorders (mostly schizophrenia) is around 0.4%.
– Internationally, the estimated annual prevalence for psychotic disorders is around 0.33%.
– The estimated lifetime prevalence for psychotic disorders in England is approximately 0.63% at age 43, consistent with the typically reported 1% prevalence over the life course.
– Internationally, the estimated lifetime prevalence for psychotic disorders is around 0.48%.Incidence:
– In England, the pooled incidence rate for non-affective psychosis (mostly schizophrenia) is estimated to be 15.2 per 100,000 years.
– Internationally, the incidence of schizophrenia is about 0.20/1000/year.Gender:
– The male to female ratio is 1:1.Course and Prognosis:
– Long-term follow-up studies suggest that after 5 years of illness, one quarter of people with schizophrenia recover completely, and for most people, the condition gradually improves over their lifetime.
– Schizophrenia has a worse prognosis with onset in childhood of adolescence than with onset in adult life.
– Younger age of onset predicts a worse outcome.
– Failure to comply with treatment is a strong predictor of relapse.
– Over a 2-year period, one-third of patients with schizophrenia showed a benign course, and two-thirds either relapsed of failed to recover.
– People with schizophrenia have a 2-3 fold increased risk of premature death.Winter Births:
– Winter births are associated with an increased risk of schizophrenia.Urbanicity:
– There is a higher incidence of schizophrenia associated with urbanicity.Migration:
– There is a higher incidence of schizophrenia associated with migration.Class:
– There is a higher prevalence of schizophrenia among lower socioeconomic classes.Learning Disability:
– Prevalence rates for schizophrenia in people with learning disabilities are approximately three times greater than for the general population. -
This question is part of the following fields:
- General Adult Psychiatry
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Question 96
Incorrect
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What assessment tool would be most suitable for determining if a 55-year-old patient with Down's syndrome is showing signs of Alzheimer's disease?
Your Answer: AIMS
Correct Answer: DLD
Explanation:The CAMDEX assessment is not effective in detecting dementia in adults with learning disabilities, whose developmental ages are typically between 2 and 10 years. However, the Dementia Questionnaire for People with Learning Disabilities (DLD) is a useful tool for early detection of dementia in this population. For individuals with Down’s syndrome, an adapted version of the CAMDEX called the CAMDEX-DS can be utilized.
Assessment of Dementia in Down’s Syndrome
Individuals with Down’s syndrome are at a higher risk of developing Alzheimer’s disease. However, the commonly used MMSE test is not effective in assisting diagnosis in this population. Instead, two alternative tests are recommended: the Dementia Questionnaire for people with Learning Disabilities (DLD), previously known as the Dementia Questionnaire for Persons with Mental Retardation (DMR), and the Dementia Scale for Down Syndrome (DSDS). These tests are specifically designed to assess cognitive decline in individuals with Down’s syndrome and can aid in the early detection and management of dementia in this population.
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This question is part of the following fields:
- Learning Disability
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Question 97
Incorrect
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What signs of symptoms would indicate a diagnosis of conduct disorder instead of oppositional defiant disorder?
Your Answer: Deliberately annoying others
Correct Answer: Often lies to obtain goods of favours of to avoid obligations
Explanation:Disruptive Behaviour of Dissocial Disorders
Conduct disorders are the most common reason for referral of young children to mental health services. These disorders are characterized by a repetitive and persistent pattern of antisocial, aggressive, of defiant conduct that goes beyond ordinary childish mischief of adolescent rebelliousness. Oppositional defiant disorder (ODD) shares some negative attributes but in a more limited fashion.
ICD-11 terms the disorder as ‘Conduct-dissocial disorder’, while DSM-5 recognizes three separate conditions related to emotional/behavioral problems seen in younger people: conduct disorder, oppositional defiant disorder, and intermittent explosive disorder. Conduct disorder is about poorly controlled behavior, intermittent explosive disorder is about poorly controlled emotions, and ODD is in between. Conduct disorders are further divided into childhood onset (before 10 years) and adolescent onset (10 years of older).
The behavior pattern of conduct disorders must be persistent and recurrent, including multiple incidents of aggression towards people of animals, destruction of property, deceitfulness of theft, and serious violations of rules. The pattern of behavior must result in significant impairment in personal, family, social, educational, occupational, of other important areas of functioning.
Oppositional defiant disorder represents a less severe form of conduct disorder, where there is an absence of more severe dissocial of aggressive acts. The behavior pattern of ODD includes persistent difficulty getting along with others, provocative, spiteful, of vindictive behavior, and extreme irritability of anger.
The prevalence of conduct disorders increases throughout childhood and is more common in boys than girls. The most frequent comorbid problem seen with conduct disorder is hyperactivity. The conversion rate from childhood conduct disorder to adult antisocial personality disorder varies from 40 to 70% depending on the study.
NICE recommends group parent-based training programs of parent and child training programs for children with complex needs for ages 3-11, child-focused programs for ages 9-14, and multimodal interventions with a family focus for ages 11-17. Medication is not recommended in routine practice, but risperidone can be used where other approaches fail and they are seriously aggressive.
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This question is part of the following fields:
- Child And Adolescent Psychiatry
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Question 98
Correct
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What is the most accurate definition of 'opportunity cost'?
Your Answer: The forgone benefit that would have been derived by an option not chosen
Explanation:Opportunity Cost in Economics: Understanding the Value of Choices
Opportunity cost is a crucial concept in economics that helps us make informed decisions. It refers to the value of the next-best alternative that we give up when we choose one option over another. This concept is particularly relevant when we have limited resources, such as a fixed budget, and need to make choices about how to allocate them.
For instance, if we decide to spend our money on antidepressants, we cannot use that same money to pay for cognitive-behavioral therapy (CBT). Both options have a value, but we have to choose one over the other. The opportunity cost of choosing antidepressants over CBT is the value of the benefits we would have received from CBT but did not because we chose antidepressants instead.
To compare the opportunity cost of different choices, economists often use quality-adjusted life years (QALYs). QALYs measure the value of health outcomes in terms of both quantity (life years gained) and quality (health-related quality of life). By using QALYs, we can compare the opportunity cost of different healthcare interventions and choose the one that provides the best value for our resources.
In summary, understanding opportunity cost is essential for making informed decisions in economics and healthcare. By recognizing the value of the alternatives we give up, we can make better choices and maximize the benefits we receive from our limited resources.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 99
Incorrect
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It has been proposed that individuals who develop schizophrenia may have subtle brain abnormalities present in utero, which predispose them to experiencing obstetric complications during birth. What term best describes this proposed explanation for the association between schizophrenia and birth complications?
Your Answer: Type II error
Correct Answer: Reverse causality
Explanation:Common Biases and Errors in Research
Reverse causality occurs when a risk factor appears to cause an illness, but in reality, it is a consequence of the illness. Information bias is a type of error that can occur in research. Two examples of information bias are observer bias and recall bias. Observer bias happens when the experimenter’s biases affect the study’s findings. Recall bias occurs when participants in the case and control groups have different levels of accuracy in their recollections.
There are two types of errors in research: Type I and Type II. A Type I error is when a true null hypothesis is incorrectly rejected, resulting in a false positive. A Type II error is when a false null hypothesis is not rejected, resulting in a false negative. It is essential to be aware of these biases and errors to ensure accurate and reliable research findings.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 100
Correct
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What is a true statement about Transient Global Amnesia?
Your Answer: Attacks are often precipitated by a Valsalva manoeuvres
Explanation:Transient global amnesia typically affects individuals aged 40 to 80 and can be triggered by physical activities such as swimming, heavy lifting, of straining to defecate, as well as psychological stressors like arguments. The condition is characterized by sudden onset of severe anterograde amnesia, accompanied by repetitive questioning, but without any focal neurological symptoms. Patients remain alert and attentive, but disoriented to time and place. Episodes usually last between 1 to 8 hours, but no longer than 24 hours. There is no specific treatment for a typical episode. During an episode, patients are unable to form new memories, resulting in profound anterograde amnesia, while retrograde amnesia may also be present, lasting from a few hours to years.
Transient Global Amnesia: Definition, Diagnostic Criteria, and Possible Causes
Transient global amnesia (TGA) is a clinical syndrome characterized by sudden and severe amnesia, often accompanied by repetitive questioning, that lasts for several hours. The term was first coined in 1964 by Fisher and Adams. To diagnose TGA, the following criteria have been established: (1) the attack must be witnessed, (2) there must be clear anterograde amnesia, (3) clouding of consciousness and loss of personal identity must be absent, (4) there should be no accompanying focal neurological symptoms, (5) epileptic features must be absent, (6) attacks must resolve within 24 hours, and (7) patients with recent head injury of known active epilepsy are excluded.
Epidemiological studies have shown that thromboembolic cerebrovascular disease does not play a role in the causation of TGA. However, the incidence of migraine in patients with TGA is higher than in the general population. A small minority of cases with unusually brief and recurrent attacks eventually manifest temporal lobe epilepsy. EEG recording is typically normal after an attack, even when performed during the attack.
Possible causes of TGA include venous congestion with Valsalva-like activities before symptom onset, arterial thromboembolic ischemia, and vasoconstriction due to hyperventilation. Precipitants of TGA often include exertion, cold, pain, emotional stress, and sexual intercourse.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 101
Incorrect
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Which factor has the lowest ability to predict future violent behavior?
Your Answer: Having a borderline personality disorder
Correct Answer: Having obsessive compulsive disorder
Explanation:Overview of the Violence Risk Assessment Guide
The Violence Risk Assessment Guide (VRAG) is a commonly used actuarial tool for predicting the likelihood of violence offence recidivism. It consists of 12 items that are used to assess an individual’s risk of committing violent acts in the future. These items include factors such as the individual’s score on the Revised Psychopathy Checklist, their history of alcohol problems, criminal history for non-violent offences, and age at the time of the index offence.
Each factor is assigned a weight based on how different the individual’s score is from the base rate. For example, if an individual has a high score on the Revised Psychopathy Checklist, this factor would be given a higher weight than if they had a low score. The VRAG is designed to provide a standardized and objective assessment of an individual’s risk of committing violent acts, which can be used to inform decisions about their treatment and management.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 102
Incorrect
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Which of the following is not a consistent predictor of a poor outcome in schizophrenia?
Your Answer: Early age of onset
Correct Answer: Comorbid depressive disorder
Explanation:Schizophrenia Prognosis: Factors Predicting Poor Outcome
Several factors have been identified that predict a poor outcome for individuals with schizophrenia. These include being male, having an early age of onset, experiencing a prolonged period of untreated illness, and having severe cognitive and negative symptoms. These symptoms can include difficulties with memory, attention, and decision-making, as well as a lack of motivation, emotional expression, and social functioning. It is important for individuals with schizophrenia to receive early and effective treatment to improve their chances of a better outcome.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 103
Incorrect
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Can you rephrase the question to ask for a definition of macrosomia?
Your Answer: Low birth weight
Correct Answer: Macrosomia
Explanation:Risks to Children of Mothers with Eating Disorders
Children of mothers with eating disorders are at risk of various complications, including premature birth, increased perinatal mortality, cleft lip and cleft palate, epilepsy, developmental delays, abnormal growth, food fussiness, feeding difficulties, low birth weight, microcephaly, and low APGAR scores. Previous exam questions have focused on low APGAR scores.
Eating disorders in pregnancy can also lead to associated complications, such as inadequate of excessive weight gain, hyperemesis gravidarum, hypotension (in anorexia) of hypertension (in bulimia), syncope/presyncope from cardiac arrhythmias and electrolyte disturbances, anemia (in anorexia), pregnancy termination (spontaneous of therapeutic), small for term infant, stillbirth, breech pregnancy, pre-eclampsia, cesarean section, post-episiotomy suture tearing, vaginal bleeding, increased rate of perinatal difficulties, postpartum depression risk, cardiac changes, and refeeding syndrome (occurs primarily in patients who are aggressively refed).
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This question is part of the following fields:
- General Adult Psychiatry
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Question 104
Incorrect
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What is the most prevalent personality disorder among individuals in Great Britain?
Your Answer: Dependent
Correct Answer: Anankastic
Explanation:Personality Disorder: Understanding the Clinical Diagnosis
A personality disorder is a long-standing pattern of behavior and inner experience that deviates significantly from cultural expectations, is inflexible and pervasive, and causes distress of impairment. The DSM-5 and ICD-11 have different approaches to classifying personality disorders. DSM-5 divides them into 10 categories, while ICD-11 has a general category with six trait domains that can be added. To diagnose a personality disorder, clinicians must first establish that the general diagnostic threshold is met before identifying the subtype(s) present. The course of personality disorders varies, with some becoming less evident of remitting with age, while others persist.
DSM-5 and ICD-11 have different classification systems for personality disorders. DSM-5 divides them into three clusters (A, B, and C), while ICD-11 has a general category with six trait domains that can be added. The prevalence of personality disorders in Great Britain is 4.4%, with Cluster C being the most common. Clinicians are advised to avoid diagnosing personality disorders in children, although a diagnosis can be made in someone under 18 if the features have been present for at least a year (except for antisocial personality disorder).
Overall, understanding the clinical diagnosis of personality disorders is important for effective treatment and management of these conditions.
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This question is part of the following fields:
- General Adult Psychiatry
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Question 105
Correct
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What is a true statement about Charles Bonnet syndrome?
Your Answer: Insight is typically preserved
Explanation:Preservation of insight and absence of delusional beliefs are common in CBS, with the focus of initial treatment being on supporting the visual system through addressing underlying conditions like cataracts of improving lighting. Behavioral interventions, such as reducing isolation and stress management, can also be beneficial, along with reassurance. While psychoactive drugs have shown some success in individual cases, they are generally not effective. It is important to conduct field testing if ocular examination is normal, as CBS can result from any damage to the visual pathway, including cerebral infarcts.
Charles Bonnet Syndrome: A Condition of Complex Visual Hallucinations
Charles Bonnet Syndrome (CBS) is a condition characterized by persistent of recurrent complex visual hallucinations that occur in clear consciousness. This condition is observed in individuals who have suffered damage to the visual pathway, which can be caused by damage to any part of the pathway from the eye to the cortex. The hallucinations are thought to result from a release phenomenon secondary to the deafferentation of the cerebral cortex. CBS is equally distributed between sexes and does not show any familial predisposition. The most common ophthalmological conditions associated with this syndrome are age-related macular degeneration, followed by glaucoma and cataract.
Risk factors for CBS include advanced age, peripheral visual impairment, social isolation, sensory deprivation, and early cognitive impairment. Well-formed complex visual hallucinations are thought to occur in 10-30 percent of individuals with severe visual impairment. Only around a third of individuals find the hallucinations themselves an unpleasant or disturbing experience. The most effective treatment is reversal of the visual impairment. Antipsychotic drugs are commonly prescribed but are largely ineffective. CBS is a long-lasting condition, with 88% of individuals experiencing it for two years of more, and only 25% resolving at nine years.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 106
Correct
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What is the most frequently diagnosed condition in cases of arson?
Your Answer: Alcohol use disorder
Explanation:The diagnosis of alcohol use disorder encompasses both alcohol misuse and dependence, and is a wide-ranging classification.
Arson and Mental Health: Prevalence and Characteristics
The National Epidemiologic Survey on Alcohol and Related Conditions (NESARC) conducted a study to determine the extent of intentional firesetting in the general adult population. This study is the first of its kind worldwide. The results of the study revealed that alcohol use disorder was the most common diagnosis among fire setters. Additionally, the study found that there were high rates of antisocial personality disorder among fire setters.
The findings of the NESARC study shed light on the prevalence and characteristics of arson as a mental disorder. The study highlights the need for further research and understanding of the relationship between mental health and firesetting behavior. By gaining a better understanding of the underlying causes of arson, mental health professionals can develop more effective prevention and treatment strategies for individuals who struggle with this disorder.
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This question is part of the following fields:
- Forensic Psychiatry
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Question 107
Incorrect
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What is a characteristic of skewed data?
Your Answer: In non skewed data the mean is always greater than the median
Correct Answer: For positively skewed data the mean is greater than the mode
Explanation:Skewed Data: Understanding the Relationship between Mean, Median, and Mode
When analyzing a data set, it is important to consider the shape of the distribution. In a normally distributed data set, the curve is symmetrical and bell-shaped, with the median, mode, and mean all equal. However, in skewed data sets, the distribution is asymmetrical, with the bulk of the data concentrated on one side of the figure.
In a negatively skewed distribution, the left tail is longer, and the bulk of the data is concentrated to the right of the figure. In contrast, a positively skewed distribution has a longer right tail, with the bulk of the data concentrated to the left of the figure. In both cases, the median is positioned between the mode and the mean, as it represents the halfway point of the distribution.
However, the mean is affected by extreme values of outliers, causing it to move away from the median in the direction of the tail. In positively skewed data, the mean is greater than the median, which is greater than the mode. In negatively skewed data, the mode is greater than the median, which is greater than the mean.
Understanding the relationship between mean, median, and mode in skewed data sets is crucial for accurate data analysis and interpretation. By recognizing the shape of the distribution, researchers can make informed decisions about which measures of central tendency to use and how to interpret their results.
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This question is part of the following fields:
- Research Methods, Statistics, Critical Review And Evidence-Based Practice
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Question 108
Incorrect
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A 35-year-old female patient of yours is hesitant to accept her recent diagnosis of bipolar disorder and does not believe she needs to inform the DMV. She declines to give consent for you to speak with her family.
What is the most suitable next step for you to take?Your Answer: Discuss your concerns with the patient's family
Correct Answer: Arrange for a second opinion assessment and advise the patient not to drive in the interim
Explanation:If there is a dispute regarding the recent diagnosis, it would be best for the patient to seek a second opinion assessment. During this time, it is recommended that the patient refrains from driving. It is the responsibility of the license holder to inform the DVLA of any changes in their medical condition that may affect their ability to drive safely. Patients should be informed of any conditions that may impact their driving ability and their legal obligation to inform the DVLA. The GMC has provided clear guidance for situations where a license holder is unwilling or unable to inform the DVLA. If a doctor is unable to convince a patient to stop driving of discovers that the patient is driving against their advice, they should immediately contact the DVLA and provide any relevant information in confidence to the medical adviser. Before contacting the DVLA, the patient should be advised and informed in writing after contact has been made. It is not appropriate to breach confidentiality by speaking to the patient’s family without their consent.
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This question is part of the following fields:
- Organisation And Delivery Of Psychiatric Services
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Question 109
Correct
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What is the highest approved dosage of risperidone that can be administered for treating aggression and agitation related to Alzheimer's disease?
Your Answer: 1 mg BD
Explanation:According to the Maudsley 14th, Risperidone is approved for a maximum dosage of 1 mg twice daily, but the recommended of optimal dose is 500 µg.
Management of Non-Cognitive Symptoms in Dementia
Non-cognitive symptoms of dementia can include agitation, aggression, distress, psychosis, depression, anxiety, sleep problems, wandering, hoarding, sexual disinhibition, apathy, and shouting. Non-pharmacological measures, such as music therapy, should be considered before prescribing medication. Pain may cause agitation, so a trial of analgesics is recommended. Antipsychotics, such as risperidone, olanzapine, and aripiprazole, may be used for severe distress of serious risk to others, but their use is controversial due to issues of tolerability and an association with increased mortality. Cognitive enhancers, such as AChE-Is and memantine, may have a modest benefit on BPSD, but their effects may take 3-6 months to take effect. Benzodiazepines should be avoided except in emergencies, and antidepressants, such as citalopram and trazodone, may have mixed evidence for BPSD. Mood stabilizers, such as valproate and carbamazepine, have limited evidence to support their use. Sedating antihistamines, such as promethazine, may cause cognitive impairment and should only be used short-term. Melatonin has limited evidence to support its use but is safe to use and may be justified in some cases where benefits are seen. For Lewy Body dementia, clozapine is favored over risperidone, and quetiapine may be a reasonable choice if clozapine is not appropriate. Overall, medication should only be used when non-pharmacological measures are ineffective, and the need is balanced with the increased risk of adverse effects.
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This question is part of the following fields:
- Old Age Psychiatry
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Question 110
Correct
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A 25-year-old female attends clinic with her partner due to problems with anxiety. During the consultation the partner states that since they moved in together six months ago, he has heard her vomiting in the toilet. The lady admits to this but says she only does this after episodes where she loses control of her eating and eats far more food than she should. The partner comments that what she thinks is a large amount is actually more like a normal portion. She estimates that this happens a couple of times a week. She states that she is very insecure about her weight and can get quite obsessive about checking the calorie content of foods. A physical examination reveals a BMI of 20. Further questioning reveals only a mild anxiety disorder which has been present for approximately two months and is related to stress at work.
Which of the following diagnoses is most suggested?:Your Answer: Bulimia nervosa
Explanation:Based on the information provided, the most likely diagnosis is bulimia nervosa. Anorexia nervosa is not applicable as the individual’s BMI is not significantly low (less than 18.5). Binge eating disorder is also not applicable as the individual engages in compensatory behaviors such as induced vomiting. It is important to note that binge eating episodes can be either objective of subjective, but the key feature is the loss of control overeating.
Eating disorders are a serious mental health condition that can have severe physical and psychological consequences. The ICD-11 lists several types of eating disorders, including Anorexia Nervosa, Bulimia Nervosa, Binge Eating Disorder, Avoidant-Restrictive Food Intake Disorder, Pica, and Rumination-Regurgitation Disorder.
Anorexia Nervosa is characterized by significantly low body weight, a persistent pattern of restrictive eating of other behaviors aimed at maintaining low body weight, excessive preoccupation with body weight of shape, and marked distress of impairment in functioning. Bulimia Nervosa involves frequent episodes of binge eating followed by inappropriate compensatory behaviors to prevent weight gain, excessive preoccupation with body weight of shape, and marked distress of impairment in functioning. Binge Eating Disorder is characterized by frequent episodes of binge eating without compensatory behaviors, marked distress of impairment in functioning, and is more common in overweight and obese individuals. Avoidant-Restrictive Food Intake Disorder involves avoidance of restriction of food intake that results in significant weight loss of impairment in functioning, but is not motivated by preoccupation with body weight of shape. Pica involves the regular consumption of non-nutritive substances, while Rumination-Regurgitation Disorder involves intentional and repeated regurgitation of previously swallowed food.
It is important to seek professional help if you of someone you know is struggling with an eating disorder. Treatment may involve a combination of therapy, medication, and nutritional counseling.
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This question is part of the following fields:
- General Adult Psychiatry
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