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  • Question 1 - What is the BMI of a girl who visited the clinic due to...

    Correct

    • What is the BMI of a girl who visited the clinic due to concerns from her GP about her lack of eating, and has a weight of 50 kg and a height of 165cm?

      Your Answer: 18 of above

      Explanation:

      Assessment and Management of Obesity

      Obesity is a condition that can increase the risk of various health problems, including type 2 diabetes, coronary heart disease, some types of cancer, and stroke. The body mass index (BMI) is a commonly used tool to assess obesity, calculated by dividing a person’s weight in kilograms by their height in meters squared. For adults over 20 years old, BMI falls into one of the following categories: underweight, normal of healthy weight, pre-obesity/overweight, obesity class I, obesity class II, and obesity class III.

      Waist circumference can also be used in combination with BMI to guide interventions. Diet and exercise are the main interventions up to a BMI of 35, unless there are comorbidities such as type 2 diabetes, hypertension, cardiovascular disease, osteoarthritis, dyslipidemia, and sleep apnea. Physical activity recommendations suggest that adults should accumulate at least 150 minutes of moderate intensity activity of 75 minutes of vigorous intensity activity per week. Dietary recommendations suggest diets that have a 600 kcal/day deficit.

      Pharmacological options such as Orlistat of Liraglutide may be considered for those with a BMI of 30 kg/m2 of more, of 28 if associated risk factors. Surgical options such as bariatric surgery may be considered for those with a BMI of 40 kg/m2 of more, of between 35 kg/m2 and 40 kg/m2 with other significant diseases that could be improved with weight loss.

    • This question is part of the following fields:

      • Classification And Assessment
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  • Question 2 - Bion identified several basic assumption groups, but one of them is not included...

    Correct

    • Bion identified several basic assumption groups, but one of them is not included in the list.

      Your Answer: Dynamic shift

      Explanation:

      Bion, a psychoanalyst, was fascinated by group dynamics and believed that groups had a collective unconscious that functioned similarly to that of an individual. He argued that this unconsciousness protected the group from the pain of reality. Bion identified two types of groups: the ‘working group’ that functioned well and achieved its goals, and the ‘basic assumption group’ that acted out primitive fantasies and prevented progress. Bion then described different types of basic assumption groups, including ‘dependency,’ where the group turns to a leader to alleviate anxiety, ‘fight-flight,’ where the group perceives an enemy and either attacks of avoids them, and ‘pairing,’ where the group believes that the solution lies in the pairing of two members. These dynamics can be observed in various settings, such as when strangers come together for the first time of when doctors in different specialties criticize one another.

    • This question is part of the following fields:

      • Social Psychology
      11.9
      Seconds
  • Question 3 - A teenager presents to A&E in distress. She claims that she has been...

    Correct

    • A teenager presents to A&E in distress. She claims that she has been transformed into a wolf by a witch doctor. What type of delusion does this represent?

      Your Answer: Lycanthropic

      Explanation:

      Types of Delusions

      Delusions come in many different forms. It is important to familiarize oneself with these types as they may be tested in an exam. Some of the most common types of delusions include:

      – Folie a deux: a shared delusion between two or more people
      – Grandiose: belief that one has special powers, beliefs, of purpose
      – Hypochondriacal: belief that something is physically wrong with the patient
      – Ekbom’s syndrome: belief that one has been infested with insects
      – Othello syndrome: belief that a sexual partner is cheating on them
      – Capgras delusion: belief that a person close to them has been replaced by a double
      – Fregoli delusion: patient identifies a familiar person (usually suspected to be a persecutor) in other people they meet
      – Syndrome of subjective doubles: belief that doubles of him/her exist
      – Lycanthropy: belief that one has been transformed into an animal
      – De Clérambault’s syndrome: false belief that a person is in love with them
      – Cotard’s syndrome/nihilistic delusions: belief that they are dead of do not exist
      – Referential: belief that others/TV/radio are speaking directly to of about the patient
      – Delusional perception: belief that a normal percept (product of perception) has a special meaning
      – Pseudocyesis: a condition whereby a woman believes herself to be pregnant when she is not. Objective signs accompany the belief such as abdominal enlargement, menstrual disturbance, apparent foetal movements, nausea, breast changes, and labour pains.

      Remembering these types of delusions can be helpful in understanding and diagnosing patients with delusional disorders.

    • This question is part of the following fields:

      • Classification And Assessment
      11.4
      Seconds
  • Question 4 - What is the accurate statement about Thurstone's scale? ...

    Incorrect

    • What is the accurate statement about Thurstone's scale?

      Your Answer: It measures social interaction

      Correct Answer: It is time consuming

      Explanation:

      The Thurstone scale’s reliability is limited due to the process of constructing it. While a large number of statements are collected and edited for clarity and relevance, the final form of the scale only includes items that have high interjudge agreement and fall at equal intervals. This selective process may result in a scale that is not entirely reliable.

    • This question is part of the following fields:

      • Description And Measurement
      22.1
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  • Question 5 - What is the definition of priapism? ...

    Correct

    • What is the definition of priapism?

      Your Answer: A persistent and painful erection

      Explanation:

      Priapism: A Painful and Persistent Erection

      Priapism is a condition characterized by a prolonged and painful erection, which can occur in males and even in the clitoris. Although rare, certain medications such as antipsychotics and antidepressants have been known to cause priapism. The primary mechanism behind this condition is alpha blockade, although other mechanisms such as serotonin-mediated pathways have also been suggested. Some of the drugs most commonly associated with priapism include Trazodone, Chlorpromazine, and Thioridazine. Treatment involves the use of alpha-adrenergic agonists, which can be administered orally of injected directly into the penis. Priapism is a serious condition that can lead to complications such as penile amputation, although such cases are extremely rare.

    • This question is part of the following fields:

      • Psychopharmacology
      5.4
      Seconds
  • Question 6 - After achieving a stable dose of lithium, what is the recommended frequency for...

    Incorrect

    • After achieving a stable dose of lithium, what is the recommended frequency for monitoring lithium levels?

      Your Answer: Every 6-9 months

      Correct Answer: Every 3-6 months

      Explanation:

      It is common for patients taking lithium to be inadequately monitored, which has prompted NICE and the National Patient Safety Agency (NPSA) to issue guidance on the matter. This topic is often tested in exams. According to NICE (CKS), lithium blood levels should be checked weekly until they become stable, and then every 3 months once they are stable. The levels should be taken 12 hours after the dose. Maudsley (13th) recommends checking levels every 6 months, but more frequent monitoring is necessary for those taking interacting drugs, the elderly, and those with established renal impairment of other relevant physical illness. The BNF recommends weekly monitoring until stable, and then every 3 months for the first year, followed by every 6 months thereafter. Patients should have their thyroid and renal function checked every 6 months, and they should be provided with an information booklet, alert card, and record book.

      Lithium – Pharmacology

      Pharmacokinetics:
      Lithium salts are rapidly absorbed following oral administration and are almost exclusively excreted by the kidneys unchanged. Blood samples for lithium should be taken 12 hours post-dose.

      Ebstein’s:
      Ebstein’s anomaly is a congenital malformation consisting of a prolapse of the tricuspid valve into the right ventricle. It occurs in 1:20,000 of the general population. Initial data suggested it was more common in those using lithium but this had not held to be true.

      Contraindications:
      Addison’s disease, Brugada syndrome, cardiac disease associated with rhythm disorders, clinically significant renal impairment, untreated of untreatable hypothyroidism, low sodium levels.

      Side-effects:
      Common side effects include nausea, tremor, polyuria/polydipsia, rash/dermatitis, blurred vision, dizziness, decreased appetite, drowsiness, metallic taste, and diarrhea. Side-effects are often dose-related.

      Long-term use is associated with hypothyroidism, hyperthyroidism, hypercalcemia/hyperparathyroidism, irreversible nephrogenic diabetes insipidus, and reduced GFR.

      Lithium-induced diabetes insipidus:
      Treatment options include stopping lithium (if feasible), keeping levels within 0.4-0.8 mmol/L, once-daily dose of the drug taken at bedtime, amiloride, thiazide diuretics, indomethacin, and desmopressin.

      Toxicity:
      Lithium salts have a narrow therapeutic/toxic ratio. Risk factors for lithium toxicity include drugs altering renal function, decreased circulating volume, infections, fever, decreased oral intake of water, renal insufficiency, and nephrogenic diabetes insipidus. Features of lithium toxicity include GI symptoms and neuro symptoms.

      Pre-prescribing:
      Before prescribing lithium, renal function, cardiac function, thyroid function, FBC, and BMI should be checked. Women of childbearing age should be advised regarding contraception, and information about toxicity should be provided.

      Monitoring:
      Lithium blood levels should be checked weekly until stable, and then every 3-6 months once stable. Thyroid and renal function should be checked every 6 months. Patients should be issued with an information booklet, alert card, and record book.

    • This question is part of the following fields:

      • Psychopharmacology
      7.2
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  • Question 7 - A 65-year-old woman has been experiencing memory difficulties for the past year. Her...

    Correct

    • A 65-year-old woman has been experiencing memory difficulties for the past year. Her husband has noticed that she talks about seeing things that aren't there and becomes very upset. What type of neuroimaging could provide more information about her condition?

      Your Answer: SPECT scan with ioflupane iodine injection

      Explanation:

      Medical Imaging Technologies

      There are several medical imaging technologies used to diagnose and monitor various conditions. One such technology is the SPECT scan with ioflupane iodine injection, also known as the DAT scan. This scan helps to identify dopamine deficiency in the brain, which can rule out Parkinson’s dementia and Lewy body dementia. By using a small amount of a radioactive drug, the scan can determine how much dopamine is available in a person’s brain. In Lewy body dementia, there is a significant loss of striatal dopamine, which can be detected through this scan. This helps to differentiate between Alzheimer’s dementia, where dopaminergic activity is normal.

      Another imaging technology is the CT scan, which uses x-rays and a computer to create detailed images of the inside of the body. This scan is useful in identifying injuries of growths in different parts of the body. Magnetic resonance imaging (MRI) is another technology that uses a strong magnetic field to create detailed images of the structures in the body. It is commonly used to examine organs and tissues.

      PET, of positron emission tomography, is a nuclear medicine imaging technology that produces three-dimensional, color images of the functional processes within the human body. It is used to study existing conditions in the body and how they are developing.

      Finally, an x-ray of the skull is mainly used to detect any bony abnormalities following trauma. However, this is now rarely requested, and if there is sufficient force, a CT scan is usually preferred. These imaging technologies play a crucial role in diagnosing and monitoring various medical conditions.

    • This question is part of the following fields:

      • Neurological Examination
      20.5
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  • Question 8 - What substance is classified as a butyrylcholinesterase inhibitor? ...

    Correct

    • What substance is classified as a butyrylcholinesterase inhibitor?

      Your Answer: Rivastigmine

      Explanation:

      Semorinemab is a potential treatment for dementia that works by targeting the N-terminal region of the tau protein. By binding to tau, it aims to reduce its spread within neurons and slow down the progression of the disease.

      Mechanisms of Action of Different Drugs

      Understanding the mechanisms of action of different drugs is crucial for medical professionals. It is a common topic in exams and can earn easy marks if studied well. This article provides a list of drugs and their mechanisms of action in different categories such as antidepressants, anti dementia drugs, mood stabilizers, anxiolytic/hypnotic drugs, antipsychotics, drugs of abuse, and other drugs. For example, mirtazapine is a noradrenaline and serotonin specific antidepressant that works as a 5HT2 antagonist, 5HT3 antagonist, H1 antagonist, alpha 1 and alpha 2 antagonist, and moderate muscarinic antagonist. Similarly, donepezil is a reversible acetylcholinesterase inhibitor used as an anti dementia drug, while valproate is a GABA agonist and NMDA antagonist used as a mood stabilizer. The article also explains the mechanisms of action of drugs such as ketamine, phencyclidine, buprenorphine, naloxone, atomoxetine, varenicline, disulfiram, acamprosate, and sildenafil.

    • This question is part of the following fields:

      • Psychopharmacology
      20.2
      Seconds
  • Question 9 - What study on hepatitis resulted in significant modifications to research ethics laws? ...

    Incorrect

    • What study on hepatitis resulted in significant modifications to research ethics laws?

      Your Answer:

      Correct Answer: Willowbrook State School study

      Explanation:

      The Willowbrook School Study was conducted in a state-supported institution for children with learning difficulties in New York during the 1960s. The study involved inoculating healthy children with hepatitis and administering gamma globulin to assess its potential to treat the disorder.

      The Tuskegee syphilis experiment was a controversial follow-up study of people with syphilis. Many participants were not informed of their illness and did not receive available treatment, even though it became available halfway through the study. The Belmont report introduced changes to US law on research ethics as a result of this study.

      The Stanford prison experiment involved creating a simulated prison environment at Stanford University. Participants were assigned as either a prison of a guard and were given no guidelines for how to behave. Within two days, the participants began to act out their assigned roles, with guards becoming harsh and sometimes cruel to the prisoners. The study was terminated after only six days due to extreme emotional reactions from some of the prisoners.

      The Tearooms Study involved Humphreys hanging around public toilets where men meet to have sex in order to study the population and learn more about the types of men that did it. The method was controversial as he never disclosed his motives when he interviewed the men and instead pretended to be a ‘watch queen’, raising issues of informed consent in research.

      Milgram’s Study investigated authority and obedience. Participants were assigned the role of teacher and administered fake shocks to a confederate playing the learner. Despite expressing concern, 30% of participants continued to administer shocks until 450 volts was reached. The study raised concerns for the wellbeing of participants, but Milgram decided not to terminate it as prior participants seemed to recover relatively well.

      Beecher’s Study

      Beecher’s study revealed more than 20 instances where individuals were subjected to experimentation without being fully informed of their participation in research and the potential risks involved. One of the cases cited was the Willowbrook State School study, where children with mental disabilities were intentionally infected with hepatitis under the guise of a vaccination program.

    • This question is part of the following fields:

      • Social Psychology
      0
      Seconds
  • Question 10 - What category of adverse drug reaction does insomnia and anxiety resulting from benzodiazepine...

    Incorrect

    • What category of adverse drug reaction does insomnia and anxiety resulting from benzodiazepine withdrawal fall under?

      Your Answer:

      Correct Answer: Type E

      Explanation:

      The MHRA categorizes adverse drug reactions into five types. Type A reactions occur when a drug’s normal pharmacological actions are exaggerated at the usual therapeutic dose, and are typically dose-dependent. Type B reactions are unexpected responses that do not align with the drug’s known pharmacological actions. Type C reactions persist for an extended period of time, while Type D reactions become apparent after some time has passed since the medication was used. Finally, Type E reactions are linked to the discontinuation of a medication.

    • This question is part of the following fields:

      • Psychopharmacology
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SESSION STATS - PERFORMANCE PER SPECIALTY

Classification And Assessment (2/2) 100%
Social Psychology (1/1) 100%
Description And Measurement (0/1) 0%
Psychopharmacology (2/3) 67%
Neurological Examination (1/1) 100%
Passmed