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  • Question 1 - What patient history factors indicate a diagnosis of Marchiafava-Bignami disease? ...

    Correct

    • What patient history factors indicate a diagnosis of Marchiafava-Bignami disease?

      Your Answer: Alcoholism

      Explanation:

      Marchiafava-Bignami Disease: A Rare Disorder Associated with Alcoholism and Malnutrition

      Marchiafava-Bignami disease is a rare condition that is commonly observed in individuals with alcoholism and malnutrition. The disease is characterized by the progressive demyelination and subsequent necrosis of the corpus callosum, which can lead to a range of nonspecific clinical symptoms such as motor of cognitive disturbances. The course of the disease can be either acute of chronic, and patients may experience dementia, spasticity, dysarthria, and an inability to walk. The outcome of the disease is unpredictable, with some patients lapsing into a coma and dying, while others may survive for many years in a demented state, of even recover.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      4.5
      Seconds
  • Question 2 - Which of the following is not a recognised method for testing illicit substances?...

    Correct

    • Which of the following is not a recognised method for testing illicit substances?

      Your Answer: Nasal mucus

      Explanation:

      Testing for drugs cannot be done through nasal mucus.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      7.1
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  • Question 3 - A father is concerned that his 16-year-old daughter's marijuana consumption may lead to...

    Correct

    • A father is concerned that his 16-year-old daughter's marijuana consumption may lead to the development of schizophrenia. How would you explain to him the difference in the risk of schizophrenia between cannabis use and non-use?

      Your Answer: There is a 2-4 fold increase in the risk of schizophrenia attributable to cannabis

      Explanation:

      Schizophrenia and Cannabis Use

      The relationship between cannabis use and the risk of developing schizophrenia is a topic of ongoing debate. However, research suggests that cannabis use may increase the risk of later schizophrenia of schizophreniform disorder by two-fold (Arseneault, 2004). The risk of developing schizophrenia appears to be higher in individuals who start using cannabis at a younger age. For instance, regular cannabis smokers at the age of 15 are 4.5 times more likely to develop schizophrenia at the age of 26, compared to those who did not report regular use until age 18 (Murray, 2004).

      A systematic review published in the Lancet in 2007 found that the lifetime risk of developing psychosis increased by 40% in individuals who had ever used cannabis (Moore, 2007). Another meta-analysis reported that the age at onset of psychosis was 2.70 years younger in cannabis users than in non-users (Large, 2011). These findings suggest that cannabis use may have a significant impact on the development of schizophrenia and related disorders.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      29.1
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  • Question 4 - What is a characteristic of alcoholic hallucinosis? ...

    Incorrect

    • What is a characteristic of alcoholic hallucinosis?

      Your Answer: It is synonymous with delirium tremens

      Correct Answer: Occurs in clear consciousness

      Explanation:

      Alcoholic Hallucinosis: Definition and Symptoms

      Alcoholic hallucinosis is a condition characterized by auditory of visual hallucinations that occur during of after a period of heavy alcohol consumption. These hallucinations are intense, sudden, and typically happen when the person is fully aware. The symptoms usually involve hearing unrecognizable sounds of fragments of music, but most commonly, the person hears voices. The condition can last for several weeks of even months, but it eventually subsides.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      15.7
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  • Question 5 - What is the most frequently observed symptom of Wernicke's encephalopathy upon presentation? ...

    Correct

    • What is the most frequently observed symptom of Wernicke's encephalopathy upon presentation?

      Your Answer: Mental status changes

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      63.2
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  • Question 6 - Which drug has the lowest likelihood of causing both physical and psychological addiction?...

    Correct

    • Which drug has the lowest likelihood of causing both physical and psychological addiction?

      Your Answer: Cannabis

      Explanation:

      The low potential for dependence on cannabis is widely acknowledged.

      Cannabis, also known as marijuana, grass, pot, weed, tea, of Mary Jane, is a plant that contains over 60 unique cannabinoids. The primary psychoactive component of cannabis is delta-9-tetrahydrocannabinol (Delta 9-THC), which is rapidly converted into 11-hydroxy-delta 9-THC, the active metabolite in the central nervous system. Specific cannabinoid receptors, including CB1 and CB2 receptors, have been identified in the body. CB1 receptors are found mainly at nerve terminals, where they inhibit transmitter release, while CB2 receptors occur mainly on immune cells and modulate cytokine release. The cannabinoid receptor is found in highest concentrations in the basal ganglia, hippocampus, and cerebellum, with lower concentrations in the cerebral cortex. Cannabis use has been associated with the amotivational syndrome, characterized by apathy, anergy, weight gain, and a lack of persistence in tasks requiring prolonged attention of tenacity.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 7 - A 42-year-old man arrives at the Emergency Department on a Saturday evening seeking...

    Correct

    • A 42-year-old man arrives at the Emergency Department on a Saturday evening seeking to speak with the on-call psychiatrist regarding his dependence on opioids.
      He explains that he recently relocated to the area and has exhausted his supply of buprenorphine, which he requires to prevent relapse into heroin use.
      He plans to establish care with a primary care physician next week to obtain ongoing prescriptions.
      What is the appropriate course of action for managing this patient's situation?

      Your Answer: Request a urine drug screen

      Explanation:

      To ensure safe and appropriate treatment, it is crucial to verify the patient’s history of heroin dependence and methadone treatment through a urine drug screen and obtaining collateral information. Neglecting this step may result in prescribing methadone, which can be misused by the patient and potentially lead to fatal overdose if combined with injectable heroin. Additionally, methadone has a potential street value and can be sold illegally.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      94.2
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  • Question 8 - What falls under the category of class C according to the Misuse of...

    Correct

    • What falls under the category of class C according to the Misuse of Drugs Act?

      Your Answer: Benzodiazepines

      Explanation:

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      6.3
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  • Question 9 - Which principle is not included in motivational interviewing? ...

    Incorrect

    • Which principle is not included in motivational interviewing?

      Your Answer: Express empathy

      Correct Answer: Encourage confrontation

      Explanation:

      Motivational interviewing aims to prevent conflict and necessitates the therapist to maintain a neutral stance.

      Motivational Interviewing: A Model for Resolving Ambivalence and Facilitating Change

      Motivational interviewing (MI) is an evidence-based method used for people with substance misuse problems. It was introduced by William Miller in 1983, based on his experience with alcoholics. MI focuses on exploring and resolving ambivalence and centres on the motivational process that facilitates change. It is based on three key elements: collaboration, evocation, and autonomy.

      There are four principles of MI: expressing empathy, supporting self-efficacy, rolling with resistance, and developing discrepancy. MI involves the use of micro-counseling skills called OARS, which stands for open-ended questions, affirmations, reflections, and summaries.

      Change talk is defined as statements by the client that reveal consideration of, motivation for, of commitment to change. In MI, the therapist aims to guide the client to expression of change talk. Types of change talk can be remembered by the mnemonic DARN-CAT, which stands for desire, ability, reason, need, commitment, activation, and taking steps.

      Overall, MI is a model for resolving ambivalence and facilitating change that emphasizes collaboration, evocation, and autonomy. It is a useful tool for therapists working with clients with substance misuse problems.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 10 - In Korsakoff syndrome, which aspect of memory is most significantly impacted? ...

    Correct

    • In Korsakoff syndrome, which aspect of memory is most significantly impacted?

      Your Answer: Episodic

      Explanation:

      Korsakoff’s Syndrome

      Korsakoff’s Syndrome, also known as amnesic syndrome, is a chronic condition that affects recent and anterograde memory in an alert and responsive patient. It is caused by prolonged thiamine (vitamin B1) deficiency and often follows Wernicke’s encephalopathy. The syndrome is characterized by a lack of insight, apathy, and confabulation. Thiamine is essential for glucose metabolism in the brain, and its deficiency leads to a toxic buildup of glucose, causing neuronal loss. The Mammillary bodies are the main areas affected in Korsakoff’s syndrome.

      While intelligence on the WAIS is preserved, episodic memory is severely affected in Korsakoff’s syndrome. Semantic memory is variably affected, but implicit aspects of memory, such as response to priming and procedural memory, are preserved. Immediate memory tested with the digit span is normal, but information can only be retained for a few minutes at most. Patients with Korsakoff’s syndrome often display apathy, lack of initiative, and profound lack of insight.

      Source: Kopelman M (2009) The Korsakoff Syndrome: Clinical Aspects, Psychology and Treatment. Alcohol and Alcoholism 44 (2): 148-154.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      11.5
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  • Question 11 - A 35-year-old woman who has been struggling with anxiety for at least three...

    Correct

    • A 35-year-old woman who has been struggling with anxiety for at least three years, reports that she often drinks alcohol before going to social events to calm her nerves.

      Which of the following statements is accurate regarding her anxiety?

      Your Answer: It indicates alcohol dependence, and after initial worsening with withdrawal usually will improve after three weeks of abstinence from alcohol

      Explanation:

      This man is experiencing anxiety in the morning due to his dependence on alcohol. Mild alcohol withdrawal commonly causes symptoms such as agitation, fever, sweats, and tremors, which can all be alleviated by consuming alcohol. However, if the patient continues to refrain from drinking, these symptoms typically reach their peak after 72 hours and can last up to a week of more, but usually subside within three weeks.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      165
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  • Question 12 - What is the correct approach to treating Wernicke's encephalopathy? ...

    Correct

    • What is the correct approach to treating Wernicke's encephalopathy?

      Your Answer: Parenteral thiamine is suggested rather than an oral route

      Explanation:

      To ensure prompt treatment, thiamine 200 mg should be administered three times daily before any carbohydrate intake, preferably through intravenous administration. It is recommended to avoid delaying treatment by relying solely on imaging for diagnosis. Intravenous administration is preferred over oral administration, as there is a risk of anaphylaxis with intranasal administration. Therefore, intranasal administration should only be considered if facilities are available to manage potential anaphylactic reactions.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      20
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  • Question 13 - What is the duration of time that cannabis can be detected in the...

    Correct

    • What is the duration of time that cannabis can be detected in the urine of individuals who use it frequently, following their last consumption?

      Your Answer: 14 days

      Explanation:

      The duration of cannabis in the system may vary, but it typically lasts for weeks rather than just a few hours of days. However, if cannabis is used only once, it may only be detectable for a period of 6-24 hours.

      Drug Screening

      Drug testing can be conducted through various methods, but urinalysis is the most common. Urine drug tests can be either screening of confirmatory. Screening tests use enzymatic immunoassays to detect drug metabolites of classes of drug metabolites in the urine. However, these tests have limitations, such as false positives due to cross-reactivity. Therefore, any positive test should be confirmed through gas chromatography of mass spectrometry.

      People may try to manipulate drug testing procedures by adulterating the sample. Normal urine parameters, such as temperature, specific gravity, and pH, can assist in detecting adulterated samples. Adulterants include household items like vinegar, detergent, and ammonia, as well as commercially available products. Diluted urine may also yield false negatives.

      Detection times vary from person to person, and the approximate drug detection time in urine can be found in a table provided by Nelson (2016). False positives can occur due to cross-reactivity, as illustrated by Moeller (2017). Clinicians should be aware of the limitations of urine drug tests and the potential for manipulation.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 14 - A teenage boy is brought to the clinic by his father. The father...

    Correct

    • A teenage boy is brought to the clinic by his father. The father is worried about his son's frequent use of alcohol, but the son does not see it as a problem and thinks his father is being too strict. Based on the stages of change model, what stage is the son currently in?

      Your Answer: Pre-contemplation

      Explanation:

      The person is presently in the precontemplation stage of change as they are not contemplating any changes. At this stage, individuals may not be aware of any issues that require modification.

      Stages of Change Model

      Prochaska and DiClemente’s Stages of Change Model identifies five stages that individuals go through when making a change. The first stage is pre-contemplation, where the individual is not considering change. There are different types of precontemplators, including those who lack knowledge about the problem, those who are afraid of losing control, those who feel hopeless, and those who rationalize their behavior.

      The second stage is contemplation, where the individual is ambivalent about change and is sitting on the fence. The third stage is preparation, where the individual has some experience with change and is trying to change, testing the waters. The fourth stage is action, where the individual has started to introduce change, and the behavior is defined as action during the first six months of change.

      The final stage is maintenance, where the individual is involved in ongoing efforts to maintain change. Action becomes maintenance once six months have elapsed. Understanding these stages can help individuals and professionals in supporting behavior change.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      11.1
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  • Question 15 - After how much time since the last drink do the symptoms of alcohol...

    Incorrect

    • After how much time since the last drink do the symptoms of alcohol withdrawal typically start?

      Your Answer: 24-48 hours

      Correct Answer: 3-12 hrs

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 16 - Which symptom is typically not associated with opiate withdrawal? ...

    Incorrect

    • Which symptom is typically not associated with opiate withdrawal?

      Your Answer: Dilated pupils

      Correct Answer: Constipation

      Explanation:

      Opiate withdrawal typically results in diarrhea instead of constipation.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 17 - Which treatment option for opiate maintenance therapy has the strongest evidence to support...

    Correct

    • Which treatment option for opiate maintenance therapy has the strongest evidence to support its effectiveness?

      Your Answer: Buprenorphine

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 18 - If a disheveled and disoriented homeless man presents with an unsteady gait and...

    Correct

    • If a disheveled and disoriented homeless man presents with an unsteady gait and a lateral rectus palsy, what medication would you recommend?

      Your Answer: Intravenous vitamin B1

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 19 - What element was included in the original concept of the alcohol dependence syndrome...

    Correct

    • What element was included in the original concept of the alcohol dependence syndrome by Edwards and Gross but is not present in the ICD-11 concept of the dependence syndrome?

      Your Answer: Rapid reinstatement of symptoms after a period of abstinence

      Explanation:

      It is important to pay close attention to the question being asked. The question inquires about an item that was present in the original classification but not included in ICD-11. While salience is present in both classifications, the Edwards and Gross feature of ‘salience of drink seeking behaviour’ is equivalent to the ICD-11 feature of ‘Increasing precedence of alcohol use over other aspects of life’. The original classification included ‘rapid reinstatement of symptoms after a period of abstinence’, which is not present in ICD-11.

      Alcohol Dependence Syndrome: ICD-11 and DSM 5 Criteria

      The criteria for diagnosing alcohol dependence syndrome in the ICD-11 and DSM 5 are quite similar, as both are based on the original concept developed by Edwards and Gross in 1976. The original concept had seven elements, including narrowing of the drinking repertoire, salience of drink seeking behavior, tolerance, withdrawal symptoms, relief of withdrawal by further drinking, compulsion to drink, and rapid reinstatement of symptoms after a period of abstinence.

      The DSM-5 Alcohol Use Disorder criteria include a problematic pattern of alcohol use leading to clinically significant impairment of distress, as manifested by at least two of the following occurring within a 12-month period. These include taking alcohol in larger amounts of over a longer period than intended, persistent desire of unsuccessful efforts to cut down of control alcohol use, spending a great deal of time in activities necessary to obtain alcohol, craving of a strong desire of urge to use alcohol, recurrent alcohol use resulting in a failure to fulfill major role obligations, continued alcohol use despite having persistent or recurrent social of interpersonal problems, giving up of reducing important social, occupational, of recreational activities due to alcohol use, recurrent alcohol use in physically hazardous situations, and continued alcohol use despite knowledge of having a persistent or recurrent physical or psychological problem caused or exacerbated by alcohol. Tolerance and withdrawal symptoms are also included in the criteria.

      The ICD-11 Alcohol Dependence criteria include a pattern of recurrent episodic of continuous use of alcohol with evidence of impaired regulation of alcohol use, manifested by impaired control over alcohol use, increasing precedence of alcohol use over other aspects of life, and physiological features indicative of neuroadaptation to the substance, including tolerance to the effects of alcohol of a need to use increasing amounts of alcohol to achieve the same effect, withdrawal symptoms following cessation of reduction in use of alcohol, of repeated use of alcohol of pharmacologically similar substances to prevent of alleviate withdrawal symptoms. The features of dependence are usually evident over a period of at least 12 months, but the diagnosis may be made if use is continuous for at least 3 months.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 20 - A woman with schizophrenia attends the day hospital. She appears giddy, a little...

    Correct

    • A woman with schizophrenia attends the day hospital. She appears giddy, a little sleepy and you notice she has red injected conjunctiva. Which of the following drugs do you suspect she has consumed?

      Your Answer: Cannabis

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 21 - NICE recommends which treatment as the initial approach for opioid detoxification? ...

    Correct

    • NICE recommends which treatment as the initial approach for opioid detoxification?

      Your Answer: Buprenorphine

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      7.4
      Seconds
  • Question 22 - Under the Misuse of Drugs Act, which new psychoactive substance is categorized as...

    Correct

    • Under the Misuse of Drugs Act, which new psychoactive substance is categorized as Class C?

      Your Answer: Piperazines

      Explanation:

      New Psychoactive Substances, previously known as ‘legal highs’, are synthetic compounds designed to mimic the effects of traditional illicit drugs. They became popular due to their ability to avoid legislative control, but the introduction of the Psychoactive Substances Act 2016 changed this. There is no standard for clinical classification, but some common legal highs include Mephedrone, Piperazines, GBL, Synthetic cannabinoids, and Benzofuran compounds. These substances have effects similar to ecstasy, amphetamines, and cannabis, and are classified as either Class B of Class C drugs in the UK.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      7.2
      Seconds
  • Question 23 - What symptoms of effects are typical in a patient who has ingested hallucinogenic...

    Correct

    • What symptoms of effects are typical in a patient who has ingested hallucinogenic substances?

      Your Answer: Tachycardia

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      560.3
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  • Question 24 - What is the duration of time that LSD can be detected in urine...

    Correct

    • What is the duration of time that LSD can be detected in urine based on the presence of its metabolite (2-oxo-3-hydroxy-LSD)?

      Your Answer: 5 days

      Explanation:

      The latest LSD immunoassays are created to detect 2-oxo-3-hydroxy-LSD, the main metabolite that can be found in higher concentrations in urine, potentially enhancing the accuracy of detection.

      Drug Screening

      Drug testing can be conducted through various methods, but urinalysis is the most common. Urine drug tests can be either screening of confirmatory. Screening tests use enzymatic immunoassays to detect drug metabolites of classes of drug metabolites in the urine. However, these tests have limitations, such as false positives due to cross-reactivity. Therefore, any positive test should be confirmed through gas chromatography of mass spectrometry.

      People may try to manipulate drug testing procedures by adulterating the sample. Normal urine parameters, such as temperature, specific gravity, and pH, can assist in detecting adulterated samples. Adulterants include household items like vinegar, detergent, and ammonia, as well as commercially available products. Diluted urine may also yield false negatives.

      Detection times vary from person to person, and the approximate drug detection time in urine can be found in a table provided by Nelson (2016). False positives can occur due to cross-reactivity, as illustrated by Moeller (2017). Clinicians should be aware of the limitations of urine drug tests and the potential for manipulation.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 25 - In which brain region is a lesion most commonly observed on an MRI...

    Correct

    • In which brain region is a lesion most commonly observed on an MRI of a patient with Wernicke's encephalopathy?

      Your Answer: Mammillary bodies

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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      Seconds
  • Question 26 - What is a true statement about problem gambling? ...

    Correct

    • What is a true statement about problem gambling?

      Your Answer: It is more common in people with psychiatric problems

      Explanation:

      Problem Gambling: Screening and Interventions

      Problem gambling, also known as pathological gambling, refers to gambling that causes harm to personal, family, of recreational pursuits. The prevalence of problem gambling in adults ranges from 7.3% to 0.7%, while in psychiatric patients, it ranges from 6% to 12%. Problem gambling typically starts in early adolescence in males and runs a chronic, progressive course with periods of abstinence and relapses.

      Screening for problem gambling is done using various tools, including the NODS-CLiP and the South Oaks Gambling Screen (SOGS). Brief interventions have been successful in decreasing gambling, with motivational enhancement therapy (MET) being the most effective. Pharmacological interventions, such as selective serotonin reuptake inhibitors (SSRIs), naltrexone, and mood stabilizers, have also been effective, but the choice of drug depends on the presence of comorbidity. Psychological interventions, particularly cognitive-behavioral treatments, show promise, but long-term follow-up and high drop-out rates are major limitations. Studies comparing psychological and pharmacological interventions are needed.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      12.2
      Seconds
  • Question 27 - In which psychological therapy is the concept of 'rolling with resistance' utilized? ...

    Correct

    • In which psychological therapy is the concept of 'rolling with resistance' utilized?

      Your Answer: Motivational interviewing

      Explanation:

      Motivational Interviewing: A Model for Resolving Ambivalence and Facilitating Change

      Motivational interviewing (MI) is an evidence-based method used for people with substance misuse problems. It was introduced by William Miller in 1983, based on his experience with alcoholics. MI focuses on exploring and resolving ambivalence and centres on the motivational process that facilitates change. It is based on three key elements: collaboration, evocation, and autonomy.

      There are four principles of MI: expressing empathy, supporting self-efficacy, rolling with resistance, and developing discrepancy. MI involves the use of micro-counseling skills called OARS, which stands for open-ended questions, affirmations, reflections, and summaries.

      Change talk is defined as statements by the client that reveal consideration of, motivation for, of commitment to change. In MI, the therapist aims to guide the client to expression of change talk. Types of change talk can be remembered by the mnemonic DARN-CAT, which stands for desire, ability, reason, need, commitment, activation, and taking steps.

      Overall, MI is a model for resolving ambivalence and facilitating change that emphasizes collaboration, evocation, and autonomy. It is a useful tool for therapists working with clients with substance misuse problems.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      4.3
      Seconds
  • Question 28 - Which of the following is not a symptom of niacin deficiency? ...

    Incorrect

    • Which of the following is not a symptom of niacin deficiency?

      Your Answer: Mania

      Correct Answer: Constipation

      Explanation:

      Pellagra (niacin deficiency) is associated with diarrhea instead of constipation.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      10
      Seconds
  • Question 29 - Which of the following skills is not considered a micro-counselling technique utilized in...

    Incorrect

    • Which of the following skills is not considered a micro-counselling technique utilized in motivational interviewing?

      Your Answer: Reflections

      Correct Answer: Facilitations

      Explanation:

      Motivational Interviewing: A Model for Resolving Ambivalence and Facilitating Change

      Motivational interviewing (MI) is an evidence-based method used for people with substance misuse problems. It was introduced by William Miller in 1983, based on his experience with alcoholics. MI focuses on exploring and resolving ambivalence and centres on the motivational process that facilitates change. It is based on three key elements: collaboration, evocation, and autonomy.

      There are four principles of MI: expressing empathy, supporting self-efficacy, rolling with resistance, and developing discrepancy. MI involves the use of micro-counseling skills called OARS, which stands for open-ended questions, affirmations, reflections, and summaries.

      Change talk is defined as statements by the client that reveal consideration of, motivation for, of commitment to change. In MI, the therapist aims to guide the client to expression of change talk. Types of change talk can be remembered by the mnemonic DARN-CAT, which stands for desire, ability, reason, need, commitment, activation, and taking steps.

      Overall, MI is a model for resolving ambivalence and facilitating change that emphasizes collaboration, evocation, and autonomy. It is a useful tool for therapists working with clients with substance misuse problems.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      537.6
      Seconds
  • Question 30 - A 30 year old man presents to his primary care physician with complaints...

    Incorrect

    • A 30 year old man presents to his primary care physician with complaints of insomnia, anxiety, tremors, and confusion. He is an avid bodybuilder and reports that he had been taking a supplement to enhance his muscle growth. He explains that he had been using a clear liquid provided by a friend. What is the most likely cause of his symptoms?

      Your Answer: Benzofuran compounds

      Correct Answer: Gamma Butyrolactone

      Explanation:

      The indications are in line with the effects of discontinuing GBL use, which is frequently utilized by individuals in the bodybuilding community due to its perceived ability to aid in muscle growth.

      New Psychoactive Substances, previously known as ‘legal highs’, are synthetic compounds designed to mimic the effects of traditional illicit drugs. They became popular due to their ability to avoid legislative control, but the introduction of the Psychoactive Substances Act 2016 changed this. There is no standard for clinical classification, but some common legal highs include Mephedrone, Piperazines, GBL, Synthetic cannabinoids, and Benzofuran compounds. These substances have effects similar to ecstasy, amphetamines, and cannabis, and are classified as either Class B of Class C drugs in the UK.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      4479
      Seconds
  • Question 31 - Which of the following terms is used to describe a behavior that supports...

    Correct

    • Which of the following terms is used to describe a behavior that supports of encourages someone's addiction?

      Your Answer: The mother of a man addicted to heroin goes to buy drugs on his behalf as he is too scared to leave the house

      Explanation:

      Codependency and Enabling Behaviors in Addiction

      Codependency is a term used to describe a situation where a person becomes emotionally and psychologically dependent on the behavior of an addict. This goes beyond a normal caring role and can lead to a maladaptive and destructive dynamic. The codependent person may unintentionally encourage the addiction and perpetuate it to protect their role. This is significant because codependent people may engage in enabling behaviors, which involve helping of encouraging an addict to continue using drugs, either directly of indirectly. For example, a spouse giving money to an addict to buy drugs is an enabling behavior. It is important to recognize and address codependency and enabling behaviors in addiction to promote healthy relationships and recovery.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      39.2
      Seconds
  • Question 32 - What is the best course of action for a 32-year-old pregnant woman with...

    Correct

    • What is the best course of action for a 32-year-old pregnant woman with a heroin addiction who is interested in detoxing?

      Your Answer: Methadone

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      21.4
      Seconds
  • Question 33 - Which item is excluded from the scope of the Misuse of Drugs Act...

    Correct

    • Which item is excluded from the scope of the Misuse of Drugs Act 1971?

      Your Answer: Amyl nitrite

      Explanation:

      Poppers, also known as liquid gold, amyl of butyl nitrite, are not considered illegal to purchase of possess under the MDA. They are commonly sold in sex shops, joke shops, and other retail locations frequented by young people, such as pubs, clubs, tobacconists, music stores, and clothing shops. While the legality of poppers has not been fully tested in court, the Medicines Control Agency has classified them as a medicine and therefore subject to the Medicines Act 1968. This means that only licensed outlets, such as chemists, are permitted to sell the drug. Additionally, poppers are not regulated under the Psychoactive Substances Act 2016.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      37.1
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  • Question 34 - What factors have been associated with the development of pathological gambling? ...

    Correct

    • What factors have been associated with the development of pathological gambling?

      Your Answer: Aripiprazole

      Explanation:

      Case reports provide evidence indicating a possible link between aripiprazole and pathological gambling, which is believed to be caused by the drug’s dopamine agonist properties. This hypothesis is supported by the observation of impulse disorders and pathological gambling in patients receiving dopamine replacement therapy for Parkinson’s disease.

      Problem Gambling: Screening and Interventions

      Problem gambling, also known as pathological gambling, refers to gambling that causes harm to personal, family, of recreational pursuits. The prevalence of problem gambling in adults ranges from 7.3% to 0.7%, while in psychiatric patients, it ranges from 6% to 12%. Problem gambling typically starts in early adolescence in males and runs a chronic, progressive course with periods of abstinence and relapses.

      Screening for problem gambling is done using various tools, including the NODS-CLiP and the South Oaks Gambling Screen (SOGS). Brief interventions have been successful in decreasing gambling, with motivational enhancement therapy (MET) being the most effective. Pharmacological interventions, such as selective serotonin reuptake inhibitors (SSRIs), naltrexone, and mood stabilizers, have also been effective, but the choice of drug depends on the presence of comorbidity. Psychological interventions, particularly cognitive-behavioral treatments, show promise, but long-term follow-up and high drop-out rates are major limitations. Studies comparing psychological and pharmacological interventions are needed.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      20.1
      Seconds
  • Question 35 - What vitamin is also known as niacin? ...

    Incorrect

    • What vitamin is also known as niacin?

      Your Answer: Vitamin B6

      Correct Answer: Vitamin B3

      Explanation:

      Pantothenic acid is also known as Vitamin B5.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      10.5
      Seconds
  • Question 36 - In chronic opiate use, which effect is most likely to continue over time?...

    Correct

    • In chronic opiate use, which effect is most likely to continue over time?

      Your Answer: Constipation

      Explanation:

      Tolerance in Opiate Abuse

      Tolerance is a common phenomenon that occurs in opiate abuse. It develops regarding the analgesic, euphoric, sedative, respiratory depressant, and nauseating effects of opioids. However, it does not develop to their effects on miosis and bowel motility, which can cause constipation. This means that individuals who abuse opioids may require higher doses to achieve the desired effects, leading to an increased risk of overdose and other adverse effects. Understanding the mechanisms involved in tolerance can help in developing effective interventions to prevent and treat opiate abuse.

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      • Substance Misuse/Addictions
      23.2
      Seconds
  • Question 37 - In the UK, what is the schedule classification for non-benzodiazepine hypnotics such as...

    Incorrect

    • In the UK, what is the schedule classification for non-benzodiazepine hypnotics such as zopiclone?

      Your Answer: 3

      Correct Answer: 4

      Explanation:

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      5.8
      Seconds
  • Question 38 - Which substance withdrawal is linked to symptoms of hypersomnia, hyperphagia, and irritability? ...

    Incorrect

    • Which substance withdrawal is linked to symptoms of hypersomnia, hyperphagia, and irritability?

      Your Answer: Ecstasy

      Correct Answer: Amphetamine

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      17.9
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  • Question 39 - What type of amnesia is typically associated with Korsakoff's syndrome? ...

    Correct

    • What type of amnesia is typically associated with Korsakoff's syndrome?

      Your Answer: Anterograde amnesia

      Explanation:

      Korsakoff’s syndrome is characterized by a significant and disproportionate loss of the ability to form new memories, known as anterograde amnesia, in an otherwise cognitively intact individual (Caulo 2005). Additionally, individuals with this syndrome may experience source amnesia, where they can recall information but cannot remember where of how they learned it, as well as prosopamnesia, which is the inability to recognize of remember faces.

      Korsakoff’s Syndrome

      Korsakoff’s Syndrome, also known as amnesic syndrome, is a chronic condition that affects recent and anterograde memory in an alert and responsive patient. It is caused by prolonged thiamine (vitamin B1) deficiency and often follows Wernicke’s encephalopathy. The syndrome is characterized by a lack of insight, apathy, and confabulation. Thiamine is essential for glucose metabolism in the brain, and its deficiency leads to a toxic buildup of glucose, causing neuronal loss. The Mammillary bodies are the main areas affected in Korsakoff’s syndrome.

      While intelligence on the WAIS is preserved, episodic memory is severely affected in Korsakoff’s syndrome. Semantic memory is variably affected, but implicit aspects of memory, such as response to priming and procedural memory, are preserved. Immediate memory tested with the digit span is normal, but information can only be retained for a few minutes at most. Patients with Korsakoff’s syndrome often display apathy, lack of initiative, and profound lack of insight.

      Source: Kopelman M (2009) The Korsakoff Syndrome: Clinical Aspects, Psychology and Treatment. Alcohol and Alcoholism 44 (2): 148-154.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
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  • Question 40 - Typically, how much time elapses before delirium tremens (DTs) occur after a person...

    Incorrect

    • Typically, how much time elapses before delirium tremens (DTs) occur after a person stops drinking completely?

      Your Answer: 24-48 hours

      Correct Answer: 3-5 days

      Explanation:

      The onset of DTs typically happens between three to five days after stopping drinking. However, tremulousness of withdrawal convulsions (also known as rum fits) can occur during a drinking binge of shortly after stopping drinking. Alcoholic hallucinosis, on the other hand, can develop over a period of days of weeks and is characterized by auditory hallucinations. Unlike DTs, it is typically accompanied by less severe agitation and mental confusion.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      8.9
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  • Question 41 - Can you identify which drug is classified as a controlled substance? ...

    Incorrect

    • Can you identify which drug is classified as a controlled substance?

      Your Answer: Pseudoephedrine

      Correct Answer: Co-codamol

      Explanation:

      Co-codamol falls under the category of schedule 5 drugs.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      22.3
      Seconds
  • Question 42 - What is a true statement about opioid detoxification? ...

    Correct

    • What is a true statement about opioid detoxification?

      Your Answer: Ultra-rapid detoxification is associated with serious adverse events

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      22.6
      Seconds
  • Question 43 - How can you identify advanced heroin withdrawal in a young man who presents...

    Correct

    • How can you identify advanced heroin withdrawal in a young man who presents in A&E?

      Your Answer: Piloerection

      Explanation:

      The initial symptoms of heroin withdrawal consist of restlessness, frequent yawning, muscle pain, excessive sweating, anxiety, increased tearing, and a runny nose. As the withdrawal progresses, more severe symptoms may occur, such as abdominal cramps, vomiting, dilated pupils, diarrhea, and nausea.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      18.9
      Seconds
  • Question 44 - What is a true statement about drug screening tests? ...

    Correct

    • What is a true statement about drug screening tests?

      Your Answer: Standard urine drug tests for amphetamine may detect MDMA

      Explanation:

      It is unlikely for passive inhalation of cannabis and crack to result in a positive drug test, unless the individual has been exposed to heavy and prolonged smoke in a highly contaminated environment.

      Drug Screening

      Drug testing can be conducted through various methods, but urinalysis is the most common. Urine drug tests can be either screening of confirmatory. Screening tests use enzymatic immunoassays to detect drug metabolites of classes of drug metabolites in the urine. However, these tests have limitations, such as false positives due to cross-reactivity. Therefore, any positive test should be confirmed through gas chromatography of mass spectrometry.

      People may try to manipulate drug testing procedures by adulterating the sample. Normal urine parameters, such as temperature, specific gravity, and pH, can assist in detecting adulterated samples. Adulterants include household items like vinegar, detergent, and ammonia, as well as commercially available products. Diluted urine may also yield false negatives.

      Detection times vary from person to person, and the approximate drug detection time in urine can be found in a table provided by Nelson (2016). False positives can occur due to cross-reactivity, as illustrated by Moeller (2017). Clinicians should be aware of the limitations of urine drug tests and the potential for manipulation.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      6798.7
      Seconds
  • Question 45 - Which of the following statements is not an example of change talk observed...

    Incorrect

    • Which of the following statements is not an example of change talk observed in motivational interviewing?

      Your Answer: Desire

      Correct Answer: Regret

      Explanation:

      Motivational Interviewing: A Model for Resolving Ambivalence and Facilitating Change

      Motivational interviewing (MI) is an evidence-based method used for people with substance misuse problems. It was introduced by William Miller in 1983, based on his experience with alcoholics. MI focuses on exploring and resolving ambivalence and centres on the motivational process that facilitates change. It is based on three key elements: collaboration, evocation, and autonomy.

      There are four principles of MI: expressing empathy, supporting self-efficacy, rolling with resistance, and developing discrepancy. MI involves the use of micro-counseling skills called OARS, which stands for open-ended questions, affirmations, reflections, and summaries.

      Change talk is defined as statements by the client that reveal consideration of, motivation for, of commitment to change. In MI, the therapist aims to guide the client to expression of change talk. Types of change talk can be remembered by the mnemonic DARN-CAT, which stands for desire, ability, reason, need, commitment, activation, and taking steps.

      Overall, MI is a model for resolving ambivalence and facilitating change that emphasizes collaboration, evocation, and autonomy. It is a useful tool for therapists working with clients with substance misuse problems.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      11720.8
      Seconds
  • Question 46 - What is a correct statement about the pathology of Wernicke's encephalopathy? ...

    Incorrect

    • What is a correct statement about the pathology of Wernicke's encephalopathy?

      Your Answer:

      Correct Answer: There is demyelination of periventricular grey matter

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 47 - To aid in preventing relapse in individuals with alcohol dependency, NICE recommends the...

    Incorrect

    • To aid in preventing relapse in individuals with alcohol dependency, NICE recommends the following.

      Your Answer:

      Correct Answer: Nalmefene

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 48 - What is true about acamprosate? ...

    Incorrect

    • What is true about acamprosate?

      Your Answer:

      Correct Answer: It acts as a glutamatergic NMDA antagonist

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 49 - A 50 year old man, with a long history of alcohol dependence and...

    Incorrect

    • A 50 year old man, with a long history of alcohol dependence and has a history of ascites and jaundice within the previous year, begins an alcohol detoxification and experiences withdrawal symptoms. What is the most suitable medication for him?

      Your Answer:

      Correct Answer: Oxazepam

      Explanation:

      Patients with impaired liver function, such as those with liver failure of elderly individuals, are recommended to use oxazepam and lorazepam.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 50 - A 48 year old man with a long history of alcohol dependence presents...

    Incorrect

    • A 48 year old man with a long history of alcohol dependence presents to A&E with confusion and ataxia. Further enquiry reveals several weeks of diarrhoea and low mood. On examination you note a symmetrical rash limited to sun-exposed sites.

      What vitamin deficiency is suggested by these symptoms?

      Your Answer:

      Correct Answer: Vitamin B3

      Explanation:

      The symptoms indicate a possible case of pellagra, a condition caused by a deficiency in vitamin B3 (niacin). Pellagra can also cause ataxia. It is important to note that vitamin B1 is thiamine, and vitamin B2 is riboflavin.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 51 - In chronic opiate use, which effect is most likely to continue over time?...

    Incorrect

    • In chronic opiate use, which effect is most likely to continue over time?

      Your Answer:

      Correct Answer: Miosis

      Explanation:

      Tolerance in Opiate Abuse

      Tolerance is a common phenomenon that occurs in opiate abuse. It develops regarding the analgesic, euphoric, sedative, respiratory depressant, and nauseating effects of opioids. However, it does not develop to their effects on miosis and bowel motility, which can cause constipation. This means that individuals who abuse opioids may require higher doses to achieve the desired effects, leading to an increased risk of overdose and other adverse effects. Understanding the mechanisms involved in tolerance can help in developing effective interventions to prevent and treat opiate abuse.

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      • Substance Misuse/Addictions
      0
      Seconds
  • Question 52 - Which statement about Korsakoff's psychosis is incorrect? ...

    Incorrect

    • Which statement about Korsakoff's psychosis is incorrect?

      Your Answer:

      Correct Answer: New memories are unaffected

      Explanation:

      Korsakoff’s Syndrome

      Korsakoff’s Syndrome, also known as amnesic syndrome, is a chronic condition that affects recent and anterograde memory in an alert and responsive patient. It is caused by prolonged thiamine (vitamin B1) deficiency and often follows Wernicke’s encephalopathy. The syndrome is characterized by a lack of insight, apathy, and confabulation. Thiamine is essential for glucose metabolism in the brain, and its deficiency leads to a toxic buildup of glucose, causing neuronal loss. The Mammillary bodies are the main areas affected in Korsakoff’s syndrome.

      While intelligence on the WAIS is preserved, episodic memory is severely affected in Korsakoff’s syndrome. Semantic memory is variably affected, but implicit aspects of memory, such as response to priming and procedural memory, are preserved. Immediate memory tested with the digit span is normal, but information can only be retained for a few minutes at most. Patients with Korsakoff’s syndrome often display apathy, lack of initiative, and profound lack of insight.

      Source: Kopelman M (2009) The Korsakoff Syndrome: Clinical Aspects, Psychology and Treatment. Alcohol and Alcoholism 44 (2): 148-154.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 53 - What is known to result in incorrect positive results during benzodiazepine misuse testing?...

    Incorrect

    • What is known to result in incorrect positive results during benzodiazepine misuse testing?

      Your Answer:

      Correct Answer: Efavirenz

      Explanation:

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 54 - What is a known factor that can lead to inaccurate positive results for...

    Incorrect

    • What is a known factor that can lead to inaccurate positive results for amphetamine on drug screening tests?

      Your Answer:

      Correct Answer: Atomoxetine

      Explanation:

      Drug Screening

      Drug testing can be conducted through various methods, but urinalysis is the most common. Urine drug tests can be either screening of confirmatory. Screening tests use enzymatic immunoassays to detect drug metabolites of classes of drug metabolites in the urine. However, these tests have limitations, such as false positives due to cross-reactivity. Therefore, any positive test should be confirmed through gas chromatography of mass spectrometry.

      People may try to manipulate drug testing procedures by adulterating the sample. Normal urine parameters, such as temperature, specific gravity, and pH, can assist in detecting adulterated samples. Adulterants include household items like vinegar, detergent, and ammonia, as well as commercially available products. Diluted urine may also yield false negatives.

      Detection times vary from person to person, and the approximate drug detection time in urine can be found in a table provided by Nelson (2016). False positives can occur due to cross-reactivity, as illustrated by Moeller (2017). Clinicians should be aware of the limitations of urine drug tests and the potential for manipulation.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 55 - What is true about the process of alcohol detoxification? ...

    Incorrect

    • What is true about the process of alcohol detoxification?

      Your Answer:

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 56 - What can lead to the development of pellagra? ...

    Incorrect

    • What can lead to the development of pellagra?

      Your Answer:

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 57 - What is typically avoided during alcohol withdrawal because of the increased likelihood of...

    Incorrect

    • What is typically avoided during alcohol withdrawal because of the increased likelihood of respiratory depression?

      Your Answer:

      Correct Answer: Clomethiazole

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 58 - Which of the options below is not utilized as a means of opioid...

    Incorrect

    • Which of the options below is not utilized as a means of opioid detoxification?

      Your Answer:

      Correct Answer: Ephedrine

      Explanation:

      Medications utilized for opioid detoxification comprise of Methadone, Buprenorphine, and Lofexidine.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 59 - A 60-year-old woman is brought to the Emergency department after being found collapsed...

    Incorrect

    • A 60-year-old woman is brought to the Emergency department after being found collapsed at home. She is a retired teacher. She has been on oral anticoagulants for some weeks after suffering a pulmonary embolism.

      On assessment, you find her to be febrile, tachycardic and in need of supplemental oxygen. Her pupils are highly constricted.

      What is the most appropriate next step in managing this patient?

      Your Answer:

      Correct Answer: Refer for an urgent CT scan of brain and management in intensive care

      Explanation:

      If a patient presents with pinpoint pupils, it may indicate an opioid overdose. However, if hyperthermia and tachycardia are also present, a pontine hemorrhage is a more probable cause. In such cases, intensive care management with input from neurology/neurosurgery is necessary. It is important to note that the use of injectable low molecular weight heparin (commonly used for treating deep vein thrombosis) and a high-stress job could increase the risk of an intracranial bleed.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 60 - Which of the following symptoms is uncommon in cases of alcohol withdrawal? ...

    Incorrect

    • Which of the following symptoms is uncommon in cases of alcohol withdrawal?

      Your Answer:

      Correct Answer: Sedation

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 61 - Which statement accurately describes alcoholic blackouts? ...

    Incorrect

    • Which statement accurately describes alcoholic blackouts?

      Your Answer:

      Correct Answer: Blackouts do not predict long term cognitive impairment

      Explanation:

      Alcoholic Blackouts: Definition and Causes

      Alcoholic blackouts are temporary memory loss episodes caused by alcohol intoxication. They do not involve loss of consciousness and are not exclusive to individuals with alcohol dependence. In fact, they can occur in a significant number of social drinkers. The risk factors for experiencing alcoholic blackouts include starting drinking at an early age, consuming high levels of alcohol, and having a history of head injury. However, experiencing blackouts does not necessarily predict long-term cognitive impairment.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 62 - What is the recommended management approach for Wernicke's encephalopathy that is accompanied by...

    Incorrect

    • What is the recommended management approach for Wernicke's encephalopathy that is accompanied by petechial hemorrhages?

      Your Answer:

      Correct Answer: Intravenous vitamin B1

      Explanation:

      Standard practice should be followed when petechial hemorrhages are observed in an MRI of a patient with Wernicke’s, as they are a typical characteristic of the disease.

      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.

    • This question is part of the following fields:

      • Substance Misuse/Addictions
      0
      Seconds
  • Question 63 - A 25-year-old male presents with chest pain, confusion, and agitation that started shortly...

    Incorrect

    • A 25-year-old male presents with chest pain, confusion, and agitation that started shortly after using a recreational substance. Upon examination, he has a fever of 38.3°C and a blood pressure of 188/102 mmHg. Which recreational drug is the most probable cause of his symptoms?

      Your Answer:

      Correct Answer: Cocaine

      Explanation:

      The young male is exhibiting confusion and agitation, which is likely due to drug abuse, specifically cocaine. Cocaine can cause sweating, fever, and high blood pressure through its effects on the central nervous system and adrenergic receptors. Additionally, it may lead to the constriction of coronary and cerebral arteries, potentially resulting in heart attacks of strokes.

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      • Substance Misuse/Addictions
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  • Question 64 - A client successfully completed a detoxification regime for her alcohol dependence 4 weeks...

    Incorrect

    • A client successfully completed a detoxification regime for her alcohol dependence 4 weeks ago and has still not consumed alcohol. According to the stages of change model, which of the following stages is she currently at?

      Your Answer:

      Correct Answer: Action

      Explanation:

      Stages of Change Model

      Prochaska and DiClemente’s Stages of Change Model identifies five stages that individuals go through when making a change. The first stage is pre-contemplation, where the individual is not considering change. There are different types of precontemplators, including those who lack knowledge about the problem, those who are afraid of losing control, those who feel hopeless, and those who rationalize their behavior.

      The second stage is contemplation, where the individual is ambivalent about change and is sitting on the fence. The third stage is preparation, where the individual has some experience with change and is trying to change, testing the waters. The fourth stage is action, where the individual has started to introduce change, and the behavior is defined as action during the first six months of change.

      The final stage is maintenance, where the individual is involved in ongoing efforts to maintain change. Action becomes maintenance once six months have elapsed. Understanding these stages can help individuals and professionals in supporting behavior change.

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      • Substance Misuse/Addictions
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  • Question 65 - What is the illicit substance with the highest lifetime prevalence of use in...

    Incorrect

    • What is the illicit substance with the highest lifetime prevalence of use in Europe?

      Your Answer:

      Correct Answer: Cannabis

      Explanation:

      Drug usage patterns in the UK are comparable to those observed throughout Europe, as reported by the EMCDDA. Cannabis remains the most frequently used drug in the UK, followed by amphetamines, hallucinogens, cocaine, and ecstasy.

      Illicit Drug Use Epidemiology

      The EMCDDA regularly gathers data on the misuse of illicit drugs. A survey conducted between 2004 and 2008 revealed the following results regarding the lifetime prevalence of drug use:

      – Cannabis: 22.5%
      – Cocaine: 4.1%
      – Amphetamine: 3.7%
      – Ecstasy: 3.3%
      – Opioids*: 0.5%

      *Note that opioids were only included if they were taken for illicit purposes, rather than for pain relief.

      The above figures provide insight into the extent of illicit drug use across Europe during the survey period. While cannabis was the most commonly used drug, followed by cocaine, amphetamine, and ecstasy, opioid use was relatively low. These findings can inform public health policies and interventions aimed at reducing drug-related harm.

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      • Substance Misuse/Addictions
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  • Question 66 - What drug is classified as a class B substance in the UK? ...

    Incorrect

    • What drug is classified as a class B substance in the UK?

      Your Answer:

      Correct Answer: Mephedrone

      Explanation:

      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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      • Substance Misuse/Addictions
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  • Question 67 - How does the model of behaviour change proposed by Prochaska and DiClemente define...

    Incorrect

    • How does the model of behaviour change proposed by Prochaska and DiClemente define the ultimate phase of change?

      Your Answer:

      Correct Answer: Maintenance

      Explanation:

      The Stages of Change Model does not view relapse as a stage in the process.

      Stages of Change Model

      Prochaska and DiClemente’s Stages of Change Model identifies five stages that individuals go through when making a change. The first stage is pre-contemplation, where the individual is not considering change. There are different types of precontemplators, including those who lack knowledge about the problem, those who are afraid of losing control, those who feel hopeless, and those who rationalize their behavior.

      The second stage is contemplation, where the individual is ambivalent about change and is sitting on the fence. The third stage is preparation, where the individual has some experience with change and is trying to change, testing the waters. The fourth stage is action, where the individual has started to introduce change, and the behavior is defined as action during the first six months of change.

      The final stage is maintenance, where the individual is involved in ongoing efforts to maintain change. Action becomes maintenance once six months have elapsed. Understanding these stages can help individuals and professionals in supporting behavior change.

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      • Substance Misuse/Addictions
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  • Question 68 - A 50-year-old man, who has a past of opioid addiction, is interested in...

    Incorrect

    • A 50-year-old man, who has a past of opioid addiction, is interested in exploring pharmacological maintenance therapy in conjunction with psychosocial interventions. What would be your recommendation for the most suitable choice?

      Your Answer:

      Correct Answer: Buprenorphine

      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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  • Question 69 - A 30 year old patient needs medication for opiate withdrawal, during a regular...

    Incorrect

    • 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:

      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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      • Substance Misuse/Addictions
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  • Question 70 - A newly admitted elderly patient on the ward attends ward round. They are...

    Incorrect

    • A newly admitted elderly patient on the ward attends ward round. They are found to have been on lorazepam 4 mg QDS for a number of years. Your consultant asks you to convert this to diazepam so that the patient can be slowly weaned off benzodiazepines. Select the correct equivalent dose of diazepam:

      Your Answer:

      Correct Answer: 40mg QDS

      Explanation:

      Benzodiazepines and Addiction

      Benzodiazepines are known to be addictive and should only be prescribed as a hypnotic or anxiolytic for a maximum of 4 weeks. Withdrawal symptoms can be physical of psychological, including stiffness, weakness, GI disturbance, paraesthesia, flu-like symptoms, visual disturbance, anxiety, insomnia, nightmares, depersonalisation, decreased memory and concentration, delusions, and hallucinations. Patients who wish to withdraw from short-acting benzodiazepines should first be converted to diazepam, which has a longer half-life and produces less severe withdrawal. The table provides approximate equivalent doses for different benzodiazepines. These guidelines are from the Maudsley Guidelines 10th Edition.

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      • Substance Misuse/Addictions
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  • Question 71 - What are the safe drinking limits per week recommended by the Royal College...

    Incorrect

    • What are the safe drinking limits per week recommended by the Royal College of Psychiatrists?

      Your Answer:

      Correct Answer: Men 14/ Women 14

      Explanation:

      The current recommendation is for both men and women to limit their weekly alcohol consumption to no more than 14 Units.

      Alcohol Units and Safe Drinking Limits in the UK

      The issue of safe drinking limits is a controversial one, with different bodies having different recommendations. In the UK, recommendations are sometimes given in grams of pure alcohol, with one unit equaling 8g. The UK government first recommended in 1992 that for a single week, 21 units for men and 14 units for women was the safe drinking limit. However, in 1995 they produced a report called ‘sensible drinking’, which effectively raised the weekly limits to 28 units for men and 21 units for women. The British Medical Association (BMA) responded to this change, along with the Royal College of Psychiatrists, saying that the original limits should not be relaxed.

      In August 2016, the UK Chief Medical Officers Low Risk Drinking Guidelines revised the limits down so that the upper safe limit is now 14 units for both men and women. The Royal College of Psychiatrists welcomed this new guidance, stating that both men and women drinking less than 14 units of alcohol per week (around 7 pints of ordinary strength beer) will be at a low risk for illnesses like heart disease, liver disease, of cancer. However, for people who do drink, they should have three of more alcohol-free days to allow their bodies the opportunity to recover from the harmful effects of alcohol. The BMA also supports this new guidance.

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  • Question 72 - What is the percentage of individuals who experience delirium tremens during alcohol withdrawal?...

    Incorrect

    • What is the percentage of individuals who experience delirium tremens during alcohol withdrawal?

      Your Answer:

      Correct Answer: 5%

      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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      • Substance Misuse/Addictions
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  • Question 73 - A teenager presents to A&E in a state of distress and you are...

    Incorrect

    • A teenager presents to A&E in a state of distress and you are told by his friend that he is withdrawing from 'speed'. Which of the following is least likely to be present?

      Your Answer:

      Correct Answer: Reduced appetite

      Explanation:

      Withdrawal from amphetamine, commonly referred to as speed, usually leads to an increase in appetite rather than a decrease.

      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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  • Question 74 - What are some indications on a urinalysis that suggest the sample may have...

    Incorrect

    • What are some indications on a urinalysis that suggest the sample may have been tampered with and is therefore unreliable for drug testing?

      Your Answer:

      Correct Answer: Specific gravity = 1.001

      Explanation:

      When the specific gravity of urine is low, it means that the urine is very diluted. Some individuals may attempt to consume excessive amounts of fluids before a drug test in order to produce a false negative result. This is because the screening tests have a minimum threshold that must be met, and diluting the urine can prevent this from happening.

      Drug Screening

      Drug testing can be conducted through various methods, but urinalysis is the most common. Urine drug tests can be either screening of confirmatory. Screening tests use enzymatic immunoassays to detect drug metabolites of classes of drug metabolites in the urine. However, these tests have limitations, such as false positives due to cross-reactivity. Therefore, any positive test should be confirmed through gas chromatography of mass spectrometry.

      People may try to manipulate drug testing procedures by adulterating the sample. Normal urine parameters, such as temperature, specific gravity, and pH, can assist in detecting adulterated samples. Adulterants include household items like vinegar, detergent, and ammonia, as well as commercially available products. Diluted urine may also yield false negatives.

      Detection times vary from person to person, and the approximate drug detection time in urine can be found in a table provided by Nelson (2016). False positives can occur due to cross-reactivity, as illustrated by Moeller (2017). Clinicians should be aware of the limitations of urine drug tests and the potential for manipulation.

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      • Substance Misuse/Addictions
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  • Question 75 - A woman with schizophrenia and alcohol misuse is admitted to hospital following a...

    Incorrect

    • A woman with schizophrenia and alcohol misuse is admitted to hospital following a fall. On day three of the admission she becomes confused and agitated. Which of the following should not be prescribed?

      Your Answer:

      Correct Answer: IV glucose

      Explanation:

      It is possible that the man is experiencing alcohol withdrawal, which often causes fluid imbalances that need to be addressed. However, administering intravenous glucose is not recommended as it could lead to Wernicke’s encephalopathy. While beta blockers have been found to be helpful in treating alcohol withdrawal, this is not a widely used method. A resource for further information on this topic is the article Alcohol Withdrawal Syndrome by Bayard M. in the March 15, 2004 issue of American Family Physician.

      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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      • Substance Misuse/Addictions
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  • Question 76 - What is the percentage of individuals with alcohol dependence who have attempted of...

    Incorrect

    • What is the percentage of individuals with alcohol dependence who have attempted of completed suicide at some point in their lifetime?

      Your Answer:

      Correct Answer: 7%

      Explanation:

      Alcohol Dependence and Suicide Risk

      Alcohol dependence is a significant factor that increases the likelihood of suicidal behavior. According to Inskip’s (1998) research, individuals with alcohol dependence have a lifetime risk of suicide estimated at 7%, which is significantly higher than the general population’s risk of approximately 1%. This finding highlights the importance of addressing alcohol dependence as a risk factor for suicide and providing appropriate interventions and support to individuals struggling with alcohol addiction.

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  • Question 77 - What is the most frequently reported side effect of varenicline? ...

    Incorrect

    • What is the most frequently reported side effect of varenicline?

      Your Answer:

      Correct Answer: Nausea

      Explanation:

      Smoking cessation can be achieved through various methods, including nicotine replacement therapy (NRT), bupropion, and varenicline. NRT is available in different forms, including patches, gum, lozenges, inhalators, and nasal spray. Combination treatment with NRT has been found to be more effective than a single product of placebo. Bupropion is a selective inhibitor of dopamine and noradrenaline reuptake and is presumed to work directly on the brain pathways involved in addiction and withdrawal. It is recommended to start bupropion while still smoking and to discontinue after 7-9 weeks. Varenicline is a partial nicotinic receptor agonist that reduces the rewarding and reinforcing effects of smoking. It is recommended to start varenicline while still smoking and to continue for 12 weeks. Nausea is the most common adverse effect of varenicline, and depression has been reported in some users. Bupropion and varenicline should be avoided in certain populations, including those with a history of bipolar disorder, epilepsy, and pregnancy of breastfeeding.

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      • Substance Misuse/Addictions
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  • Question 78 - What substance has been discovered to produce a misleading positive outcome during amphetamine...

    Incorrect

    • What substance has been discovered to produce a misleading positive outcome during amphetamine testing?

      Your Answer:

      Correct Answer: Metformin

      Explanation:

      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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  • Question 79 - Regarding symptoms of withdrawal associated with prolonged alcohol consumption, which of the following...

    Incorrect

    • Regarding symptoms of withdrawal associated with prolonged alcohol consumption, which of the following statements is accurate?

      Your Answer:

      Correct Answer: Carbamazepine is as effective as benzodiazepines in the acute treatment of the symptoms of alcohol withdrawal

      Explanation:

      A study has found that starting with a dose of 800 mg of Carbamazepine per day is just as effective as using Oxazepam for treating acute alcohol withdrawal. However, Phenytoin has been shown to be ineffective in treating seizures related to alcohol withdrawal. The symptoms of alcohol withdrawal are caused by a decrease in neurotransmission through type A gamma-aminobutyric pathways and an increase in neurotransmission through N-methyl-D-aspartate pathways. For more information, refer to the article Management of Drug and Alcohol Withdrawal by Kosten TR and O’Connor PG in the New England Journal of Medicine.

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  • Question 80 - NICE recommends which treatment as the initial approach for opioid detoxification? ...

    Incorrect

    • NICE recommends which treatment as the initial approach for opioid detoxification?

      Your Answer:

      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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  • Question 81 - Under what circumstances should Opioid detoxification not be offered as a standard practice,...

    Incorrect

    • Under what circumstances should Opioid detoxification not be offered as a standard practice, as per the NICE guidelines?

      Your Answer:

      Correct Answer: When a patient is serving a short prison sentence

      Explanation:

      It is not recommended to offer opioid detoxification to individuals with urgent medical conditions. However, for those in police custody of serving a short prison sentence, of those presenting in an acute of emergency setting, consideration should be given to treating opioid withdrawal symptoms with medication and referring them to further drug services as needed. If an individual seeking opioid detoxification also misuses alcohol, healthcare professionals should address their alcohol misuse, as it may worsen during opioid withdrawal of be substituted for previous opioid misuse. For those who are alcohol dependent, alcohol detoxification should be offered before starting opioid detoxification in a community of prison setting, but can be done concurrently with opioid detoxification in an inpatient setting of with stabilisation in a community setting.

      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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  • Question 82 - What is the highest possible punishment for possessing synthetic cannabinoids in the United...

    Incorrect

    • What is the highest possible punishment for possessing synthetic cannabinoids in the United Kingdom?

      Your Answer:

      Correct Answer: 5 years

      Explanation:

      At first, the Psychoactive Substances Act only criminalized the production and supply of certain substances, while possession was still legal. However, in January 2017, synthetic cannabinoids such as Spice were reclassified as Class B drugs under the Misuse of Drugs Act, making possession of these substances illegal.

      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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  • Question 83 - A 45-year-old woman presents to the local Emergency department with double vision.
    She has...

    Incorrect

    • A 45-year-old woman presents to the local Emergency department with double vision.
      She has been consuming more than 20 units of alcohol daily for several years. She appears unkempt, emaciated and malnourished. Her blood alcohol level is negative and she claims to have stopped drinking five days ago. She has been experiencing vomiting multiple times a day for the past three days.
      The Emergency department physician seeks your expert opinion. You observe signs of lateral rectus palsy, ataxia and nystagmus.
      What is the most probable location of the lesion in the women's nervous system?

      Your Answer:

      Correct Answer: Mammillary bodies

      Explanation:

      This case presents a man who exhibits the classic triad of symptoms associated with Wernicke’s encephalopathy, including ophthalmoplegia, ataxia, and confusion. The underlying lesion is located in the Mammillary bodies and around the third ventricle and aqueduct. This condition is typically caused by a deficiency in thiamine (vitamin B-1), which can be triggered in individuals who are malnourished and dependent on alcohol due to prolonged vomiting. Korsakoff’s amnesic syndrome is a later manifestation of this condition, characterized by memory loss and confabulation.

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      • Substance Misuse/Addictions
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  • Question 84 - A teenager who has recently dropped out of school has started to abuse...

    Incorrect

    • A teenager who has recently dropped out of school has started to abuse drugs. His friend brings him to A&E as he started behaving strangely and appeared to be experiencing hallucinations. As he walks into the cubicle you note a very unsteady gait and further questions reveal a sense of muscle rigidity. Which of the following do you expect he has been using?

      Your Answer:

      Correct Answer: Ketamine

      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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  • Question 85 - A 42-year-old man with a history of heavy alcohol use for the past...

    Incorrect

    • A 42-year-old man with a history of heavy alcohol use for the past 15 years presents with seizures and worsening difficulty with walking. During a mini-mental state examination, you observe that his score is 20/30, which is two points lower than his previous score from a few months ago. What is the most probable site of the lesion?

      Your Answer:

      Correct Answer: Corpus callosum

      Explanation:

      The passage details the effects of Marchiafava-Bignami disease, a condition resulting from excessive alcohol consumption that leads to the deterioration of the corpus callosum.

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      • Substance Misuse/Addictions
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  • Question 86 - What is a known factor that can lead to inaccurate positive results for...

    Incorrect

    • What is a known factor that can lead to inaccurate positive results for cannabis on drug screening tests?

      Your Answer:

      Correct Answer: Promethazine

      Explanation:

      Drug Screening

      Drug testing can be conducted through various methods, but urinalysis is the most common. Urine drug tests can be either screening of confirmatory. Screening tests use enzymatic immunoassays to detect drug metabolites of classes of drug metabolites in the urine. However, these tests have limitations, such as false positives due to cross-reactivity. Therefore, any positive test should be confirmed through gas chromatography of mass spectrometry.

      People may try to manipulate drug testing procedures by adulterating the sample. Normal urine parameters, such as temperature, specific gravity, and pH, can assist in detecting adulterated samples. Adulterants include household items like vinegar, detergent, and ammonia, as well as commercially available products. Diluted urine may also yield false negatives.

      Detection times vary from person to person, and the approximate drug detection time in urine can be found in a table provided by Nelson (2016). False positives can occur due to cross-reactivity, as illustrated by Moeller (2017). Clinicians should be aware of the limitations of urine drug tests and the potential for manipulation.

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      • Substance Misuse/Addictions
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  • Question 87 - What substance hinders the transformation of aldehyde into acetic acid? ...

    Incorrect

    • What substance hinders the transformation of aldehyde into acetic acid?

      Your Answer:

      Correct Answer: Disulfiram

      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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      • Substance Misuse/Addictions
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  • Question 88 - A 42-year-old woman has been struggling with a gambling addiction for the past...

    Incorrect

    • A 42-year-old woman has been struggling with a gambling addiction for the past decade and has a diagnosis of gambling disorder. She has just completed a residential treatment program for her addiction under your supervision. She is determined to stay away from gambling but is concerned that she may give in to her urges. She is not confident that she can resist the temptation to gamble occasionally. What intervention should you avoid in this situation?

      Your Answer:

      Correct Answer: Disulfiram

      Explanation:

      Disulfiram is not recommended in this case due to its ability to inhibit acetaldehyde dehydrogenase and potentially cause a severe reaction if the patient consumes any alcohol. Acamprosate is the preferred medication for reducing cravings, but other options such as naltrexone, cognitive-behavioral therapy, and participation in a 12-step program have also been proven effective in maintaining abstinence after detoxification.

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  • Question 89 - A middle-aged woman addicted to alcohol visits her GP. Her GP advises her...

    Incorrect

    • A middle-aged woman addicted to alcohol visits her GP. Her GP advises her to stop drinking and the woman replies that she enjoys drinking as it helps her forget about her problems. She does, however, acknowledge that her drinking has caused problems in her relationships and at work. According to the stages of change model, which stage is she currently at?

      Your Answer:

      Correct Answer: Contemplation

      Explanation:

      The individual is currently in the contemplative stage, which is marked by conflicting thoughts and emotions and a sense of ambivalence towards their cannabis use. This indicates that they are experiencing a duality of perspectives. In contrast, someone in the pre-contemplative stage would not possess such a nuanced understanding of their behavior.

      Stages of Change Model

      Prochaska and DiClemente’s Stages of Change Model identifies five stages that individuals go through when making a change. The first stage is pre-contemplation, where the individual is not considering change. There are different types of precontemplators, including those who lack knowledge about the problem, those who are afraid of losing control, those who feel hopeless, and those who rationalize their behavior.

      The second stage is contemplation, where the individual is ambivalent about change and is sitting on the fence. The third stage is preparation, where the individual has some experience with change and is trying to change, testing the waters. The fourth stage is action, where the individual has started to introduce change, and the behavior is defined as action during the first six months of change.

      The final stage is maintenance, where the individual is involved in ongoing efforts to maintain change. Action becomes maintenance once six months have elapsed. Understanding these stages can help individuals and professionals in supporting behavior change.

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  • Question 90 - Which of the following experiences is most similar to the effects of using...

    Incorrect

    • Which of the following experiences is most similar to the effects of using magic mushrooms?

      Your Answer:

      Correct Answer: LSD

      Explanation:

      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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  • Question 91 - Which option is not suggested by NICE for aiding relapse prevention in individuals...

    Incorrect

    • Which option is not suggested by NICE for aiding relapse prevention in individuals with alcohol addiction?

      Your Answer:

      Correct Answer: Diazepam

      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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      • Substance Misuse/Addictions
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  • Question 92 - What is the truth about controlled drugs in the UK? ...

    Incorrect

    • What is the truth about controlled drugs in the UK?

      Your Answer:

      Correct Answer: A single drug can have more than one scheduling status

      Explanation:

      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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      • Substance Misuse/Addictions
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  • Question 93 - What is the method used for ultra rapid opiate detoxification? ...

    Incorrect

    • What is the method used for ultra rapid opiate detoxification?

      Your Answer:

      Correct Answer: Naloxone

      Explanation:

      The use of high doses of opioid antagonists (naloxone and naltrexone) in ultra-rapid detox (over 24 hours) and rapid detox (over 1-5 days) is common. However, ultra-rapid detox is typically performed under general anesthesia, while rapid detox is usually done with some sedation. Despite this, NICE does not support the use of ultra-rapid detox. NICE recommends that rapid detox be offered only to individuals who specifically request it, provided that the service can safely provide it.

      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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  • Question 94 - Which of the following is not a gastrointestinal side-effect of opiate use? ...

    Incorrect

    • Which of the following is not a gastrointestinal side-effect of opiate use?

      Your Answer:

      Correct Answer: Diarrhoea

      Explanation:

      Opiate withdrawal is more likely to result in diarrhoea than opiate use.

      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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      • Substance Misuse/Addictions
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  • Question 95 - A 45-year-old male patient is brought to the local Accident and Emergency Department...

    Incorrect

    • A 45-year-old male patient is brought to the local Accident and Emergency Department by a family member. He has a history of alcohol dependence. Over the past few hours, the patient has been experiencing confusion, disorientation, and hallucinations. He also has a fever, is experiencing a rapid heartbeat, and has high blood pressure. The family member informs you that the patient recently made the decision to quit drinking.
      When was the patient's last alcoholic drink most likely consumed?

      Your Answer:

      Correct Answer: 48-72 hours

      Explanation:

      The vignette depicts delirium tremens (DTs), which is characterized by confusion, hallucinations, and autonomic hyperactivity. Typically, these symptoms appear 2 to 3 days after cessation of alcohol consumption and can worsen over the next few days. Mild withdrawal symptoms such as anxiety, tremors, headache, nausea, vomiting, insomnia, and sweating may occur within 6 hours of stopping drinking. Hallucinations may occur 12-24 hours after cessation, and seizures may occur within 24 to 48 hours.

      Benzodiazepines, such as chlordiazepoxide, are commonly used to treat alcohol withdrawal, with a reducing regime. Lorazepam, due to its short half-life, is preferred as the first-line treatment for DTs. The Clinical Institute Withdrawal Assessment of Alcohol Scale (CIWA-Ar) can be used to assess alcohol withdrawal.

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  • Question 96 - What is a true statement about disulfiram? ...

    Incorrect

    • What is a true statement about disulfiram?

      Your Answer:

      Correct 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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      • Substance Misuse/Addictions
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  • Question 97 - Which statement about acamprosate is accurate? ...

    Incorrect

    • Which statement about acamprosate is accurate?

      Your Answer:

      Correct Answer: It reduces craving for alcohol

      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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      • Substance Misuse/Addictions
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  • Question 98 - What is a true statement about Wernicke's encephalopathy? ...

    Incorrect

    • What is a true statement about Wernicke's encephalopathy?

      Your Answer:

      Correct Answer: Global confusion is a common feature

      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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  • Question 99 - A teenage boy begins smoking cannabis regularly at the age of 16. How...

    Incorrect

    • A teenage boy begins smoking cannabis regularly at the age of 16. How much does this increase his likelihood of developing schizophrenia by his early twenties compared to an individual who has never used cannabis?

      Your Answer:

      Correct Answer: 4 fold

      Explanation:

      Individuals who smoked cannabis regularly at the age of 15 have a 4.5 times higher risk of developing schizophrenia at the age of 26, whereas those who did not report regular use until the age of 18 have a 1.65 times higher risk.

      Schizophrenia and Cannabis Use

      The relationship between cannabis use and the risk of developing schizophrenia is a topic of ongoing debate. However, research suggests that cannabis use may increase the risk of later schizophrenia of schizophreniform disorder by two-fold (Arseneault, 2004). The risk of developing schizophrenia appears to be higher in individuals who start using cannabis at a younger age. For instance, regular cannabis smokers at the age of 15 are 4.5 times more likely to develop schizophrenia at the age of 26, compared to those who did not report regular use until age 18 (Murray, 2004).

      A systematic review published in the Lancet in 2007 found that the lifetime risk of developing psychosis increased by 40% in individuals who had ever used cannabis (Moore, 2007). Another meta-analysis reported that the age at onset of psychosis was 2.70 years younger in cannabis users than in non-users (Large, 2011). These findings suggest that cannabis use may have a significant impact on the development of schizophrenia and related disorders.

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  • Question 100 - What is the maintenance treatment used for individuals with opioid dependence syndrome? ...

    Incorrect

    • What is the maintenance treatment used for individuals with opioid dependence syndrome?

      Your Answer:

      Correct Answer: Methadone

      Explanation:

      Synthetic opioids like methadone and buprenorphine are utilized as a replacement for heroin. Alpha2 adrenergic agonists such as clonidine and lofexidine are employed in detox settings to alleviate a range of opioid withdrawal symptoms.

      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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SESSION STATS - PERFORMANCE PER SPECIALTY

Substance Misuse/Addictions (32/45) 71%
Passmed