Substance Use Disorders Practice Questions

Q: Which of the following is true regarding the treatment of cocaine withdrawal symptoms?

No specific drug. ***No specific drug*** - Currently, there is **no FDA-approved pharmacotherapy** for the treatment of cocaine withdrawal symptoms or for preventing relapse in cocaine dependence. - Management primarily focuses on **supportive care**, **psychotherapy** (cognitive behavioral therapy, contingency management), and addressing **co-occurring mental health disorders**. - Unlike alcohol or opioid withdrawal, cocaine withdrawal is not life-threatening and does not require specific medication. *Fluoxetine* - Fluoxetine is a **selective serotonin reuptake inhibitor (SSRI)** primarily used to treat depression and anxiety disorders. - While depression can be a symptom of cocaine withdrawal, fluoxetine has **not been shown to be effective** for reducing cocaine use or treating cocaine withdrawal specifically. - Multiple clinical trials have failed to demonstrate benefit for cocaine dependence treatment. *Antidepressants* - While various antidepressants (including desipramine, bupropion) have been investigated, there is **no strong evidence** to support their routine use as primary treatment for cocaine withdrawal or dependence. - Their effectiveness in this context is **limited and inconsistent** across studies. - They may be used to treat **co-occurring depressive disorders** but not as primary cocaine withdrawal treatment. *Benzodiazepines* - Benzodiazepines are primarily used to manage **acute anxiety and seizures** during withdrawal from GABAergic substances like **alcohol and sedatives**. - They are generally **not recommended** for cocaine withdrawal as cocaine withdrawal does not cause seizures or dangerous autonomic instability. - May be used only for **severe agitation** or **co-occurring alcohol withdrawal**, but carry their own dependence potential and do not address cocaine withdrawal itself.

Q: Which of the following is not typically associated with delirium tremens?

Ocular muscle paralysis. ***Ocular muscle paralysis*** - **Ocular muscle paralysis**, specifically **ophthalmoplegia**, is a hallmark symptom of **Wernicke's encephalopathy**, a distinct condition caused by **thiamine deficiency** often seen in chronic alcoholics. - While both conditions are alcohol-related, **delirium tremens** primarily involves **autonomic instability**, **alterations in consciousness**, and **hallucinations**, not direct muscle paralysis. *Tremors* - **Coarse tremors** are a very common and early sign of **alcohol withdrawal syndrome**, which can escalate to **delirium tremens**. - These are typically **fine to coarse tremors of the hands**, tongue, and eyelids, often present during agitation. *Visual hallucination* - **Visual hallucinations** are characteristic features of **delirium tremens**, often described as vivid, frightening, and involving small animals or insects. - They occur due to severe **autonomic hyperactivity** and **neurotransmitter dysregulation** during withdrawal. *Clouding of consciousness* - **Clouding of consciousness**, ranging from disorientation to profound confusion, is a central diagnostic criterion for **delirium tremens**. - This **altered mental status** distinguishes it from less severe forms of alcohol withdrawal.

Q: Which of the following develop first during dependence of a substance ?

Psychological dependence. ***Psychological dependence*** - **Psychological dependence** often develops first, characterized by an emotional need for the substance to experience pleasure or avoid discomfort. - This involves a strong **craving** and compulsive drug-seeking behavior despite negative consequences, driven by the substance's effect on brain reward pathways. *Tolerance* - **Tolerance** means that increasing doses of the substance are required to achieve the same effect previously achieved with lower doses. - While it often develops early in substance use, the initial "need" to use the substance is often psychological before physiological adaptations occur. *Physical dependence* - **Physical dependence** describes the body's physiological adaptation to the substance, leading to withdrawal symptoms if use is stopped or reduced. - It typically develops after consistent, prolonged use and is usually preceded by psychological dependence and often tolerance. *Withdrawal symptoms* - **Withdrawal symptoms** are the physiological and psychological signs that occur when a dependent person stops or drastically reduces their substance intake. - These are a direct manifestation of physical dependence and thus develop once physical dependence has been established.

Q: Formication is primarily associated with which condition?

Chronic use of amphetamine. ***Chronic use of amphetamine*** - **Formication** (the sensation of insects crawling under the skin) is a classic symptom of **chronic amphetamine abuse**, often leading to excoriations due to scratching. - This **tactile hallucination** is part of the psychosis that can develop with prolonged high-dose amphetamine use. *Acute amphetamine intoxication* - While acute intoxication can cause psychosis and paranoia, **formication** is more strongly associated with the **chronic effects** and withdrawal of amphetamines. - Acute effects typically include euphoria, increased energy, and hypervigilance, rather than persistent tactile hallucinations. *Alcohol withdrawal* - **Alcohol withdrawal** can cause a range of symptoms including tremors, hallucinations (often visual or auditory), and seizures. - While some tactile disturbances can occur, **formication** is not a primary or characteristic symptom of alcohol withdrawal; **delirium tremens** often features visual or auditory hallucinations. *Cannabis poisoning* - **Cannabis poisoning** (or acute intoxication) typically presents with euphoria, altered perception of time, impaired coordination, and increased appetite. - It does not characteristically cause **formication** or other significant tactile hallucinations.

Q: What does the term 'etheromania' refer to?

Ether addiction. ***Ether addiction*** - **Etheromania** specifically refers to the compulsive use and dependence on **ether** for its psychoactive effects. - This term was historically used to describe individuals who developed a significant **addiction** to ether. - The suffix "-mania" in psychiatric terminology often denotes an obsessive or compulsive behavior pattern related to a specific substance. *Acute psychosis following ether anesthesia* - While ether anesthesia can sometimes lead to transient psychomotor agitation or emergence delirium, **acute psychosis** is not the primary definition of etheromania. - Etheromania describes a long-term pattern of **addictive behavior**, not an acute post-anesthesia complication. *Excessive use of ether as an anesthetic* - This describes a medical application of ether, albeit potentially misused, but does not primarily denote the **addictive state** of the person using it. - **Etheromania** focuses on the individual's psychological and physiological dependence, not merely the quantity used for medical purposes. *Delirium tremens from ether withdrawal* - Delirium tremens is specifically associated with **alcohol withdrawal**, not ether withdrawal. - While ether withdrawal can cause symptoms, the term **etheromania** refers to the addiction itself, not withdrawal complications.

Q: A 55-year-old drug addict from California presents with euphoria, altered time perception, and conjunctival injection, along with impairment of judgment. The most likely cause of this is addiction to which substance?

Marijuana. ***Marijuana*** - **Euphoria**, altered time perception, and **conjunctival injection** are classic symptoms associated with marijuana use. - Impairment of judgment and coordination are also common effects of **cannabis intoxication**. *Cocaine* - Cocaine intoxication typically presents with **psychomotor agitation**, **tachycardia**, **hypertension**, and **dilated pupils**, not conjunctival injection. - While it causes euphoria and altered perception, the specific combination of symptoms points away from cocaine. *Phencyclidine* - **Phencyclidine (PCP)** often causes **nystagmus**, violence, and **dissociative symptoms** like derealization and depersonalization, which are not described. - It can also lead to severe agitation and unpredictable behavior, distinct from the patient's presentation. *Benzodiazepine* - Benzodiazepine intoxication or abuse typically leads to **sedation**, ataxia, and **respiratory depression**, rather than euphoria and conjunctival injection. - The effects are more consistent with central nervous system depression.

Q: Tolerance to substances is seen in which of the following?

Physiological dependence. ***Physiological dependence*** - **Tolerance** is a hallmark feature of physiological dependence, where the body adapts to a substance, requiring increasingly larger doses to achieve the initial effect. - It involves neurobiological adaptations in the brain in response to chronic substance use. - Physiological dependence is characterized by both **tolerance** and **withdrawal symptoms** as key features. *Hypochondriasis* - This is a mental disorder characterized by an excessive preoccupation with having a serious illness, despite medical reassurance. - It does not involve substance use or development of tolerance to a substance. *Obsessive-compulsive disorder* - OCD is an anxiety disorder marked by recurrent unwanted thoughts (**obsessions**) and repetitive behaviors (**compulsions**). - It is not related to substance use, tolerance, or dependence. *Psychological dependence* - Psychological dependence involves a strong emotional or mental desire for a drug, characterized by craving and compulsive drug-seeking behavior. - While psychological dependence can coexist with tolerance, the primary feature is the **emotional craving** rather than the physical adaptation. - **Physiological dependence** more directly encompasses tolerance as a defining characteristic, along with physical withdrawal symptoms.

Q: Which of the following is not a feature of Korsakoff's syndrome?

Motor skill deficits. ***Motor skill deficits*** - While Korsakoff's syndrome is associated with neurological damage, it primarily affects **memory and cognitive functions**, not motor skills directly. - **Motor skill deficits** are not a core diagnostic feature of this syndrome. *Confabulation* - **Confabulation**, the production of fabricated, distorted, or misinterpreted memories without the conscious intention to deceive, is a **hallmark symptom** of Korsakoff's syndrome. - Patients often fill memory gaps with plausible but false narrative. *Retrograde amnesia* - Patients with Korsakoff's syndrome typically experience **retrograde amnesia**, meaning they have difficulty recalling events and information that occurred **before the onset** of the condition. - This affects memories of varying degrees and periods. *Anterograde amnesia* - **Anterograde amnesia**, the inability to form new memories after the onset of the condition, is a primary and **defining feature** of Korsakoff's syndrome. - Patients often forget recent events or new information almost as soon as it is presented.

Q: Which of the following statements is most true regarding Korsakoff syndrome?

Chronic amnestic syndrome is a feature.. ***Chronic amnestic syndrome is a feature.*** - **Chronic amnestic syndrome** is THE DEFINING feature of Korsakoff syndrome, making this the most true statement. - The hallmark clinical features include **severe anterograde amnesia** (inability to form new memories), **variable retrograde amnesia**, and **confabulation**. - **General intelligence, social skills, and executive functions** are typically preserved, distinguishing it from dementia. - This amnestic syndrome is present regardless of the etiology and is the primary diagnostic criterion. *Can be seen in chronic alcoholics.* - This statement is true but less specific than the correct answer. - **Chronic alcoholism** is the most common cause of Korsakoff syndrome due to **thiamine (vitamin B1) deficiency** from poor nutrition and impaired absorption. - However, Korsakoff syndrome can also result from other causes of thiamine deficiency (hyperemesis gravidarum, malnutrition, gastrointestinal malabsorption, malignancy). - The association with alcoholism is about etiology, not the defining feature of the syndrome itself. *Intellectual decline is present.* - This is misleading and largely incorrect. - Unlike dementia, Korsakoff syndrome shows **preserved general intelligence (IQ)** and intact cognitive abilities outside of memory. - Patients can maintain normal conversation, reasoning, and social skills despite profound memory deficits. - The cognitive impairment is specifically related to **memory encoding and retrieval**, not generalized intellectual decline. *None of the options.* - This is incorrect as multiple statements are true, particularly the statement about chronic amnestic syndrome being a feature.

Q: Which drug is most commonly used worldwide in maintenance treatment for opioid dependence?

Methadone. ***Methadone (Correct Answer)***- It is a **long-acting opioid agonist** that helps reduce cravings and withdrawal symptoms associated with opioid dependence, making it highly effective for maintenance treatment [2].- Its widespread availability and established efficacy in reducing illicit opioid use, crime, and disease transmission contribute to its global prevalence [1].- Methadone acts on **μ-opioid receptors** [2] and has a long half-life (24-36 hours), allowing once-daily dosing in maintenance therapy.*Disulfiram (Incorrect)*- This drug is primarily used in the management of **alcohol dependence** by causing unpleasant reactions when alcohol is consumed (inhibits aldehyde dehydrogenase) [3].- It has no role in the treatment of opioid dependence, as its mechanism of action is unrelated to opioid receptors.*Naltrexone (Incorrect)*- While used for opioid dependence, **naltrexone** is an **opioid antagonist** that blocks the effects of opioids [4].- Its use requires complete detoxification from opioids before initiation to avoid precipitated withdrawal, which can be a barrier to its common use in maintenance compared to methadone [1].- Less commonly used globally compared to methadone for maintenance treatment.*Imipramine (Incorrect)*- **Imipramine** is a **tricyclic antidepressant** primarily used to treat depression and some anxiety disorders.- It does not have any direct pharmacological action on opioid receptors and is not used in the treatment of opioid dependence.

Question 1

Which of the following is true regarding the treatment of cocaine withdrawal symptoms?

Accepted Answer

No specific drug

Answer

Fluoxetine

Answer

Antidepressants

Answer

Benzodiazepines

Question 2

Which of the following is not typically associated with delirium tremens?

Accepted Answer

Ocular muscle paralysis

Answer

Tremors

Answer

Visual hallucination

Answer

Clouding of consciousness

Question 3

Which of the following develop first during dependence of a substance ?

Accepted Answer

Psychological dependence

Answer

Tolerance

Answer

Physical dependence

Answer

Withdrawal symptoms

Question 4

Formication is primarily associated with which condition?

Accepted Answer

Chronic use of amphetamine

Answer

Acute amphetamine intoxication

Answer

Alcohol withdrawal

Answer

Cannabis poisoning

Question 5

What does the term 'etheromania' refer to?

Accepted Answer

Ether addiction

Answer

Acute psychosis following ether anesthesia

Answer

Excessive use of ether as an anesthetic

Answer

Delirium tremens from ether withdrawal

Question 6

A 55-year-old drug addict from California presents with euphoria, altered time perception, and conjunctival injection, along with impairment of judgment. The most likely cause of this is addiction to which substance?

Accepted Answer

Marijuana

Answer

Cocaine

Answer

Phencyclidine

Answer

Benzodiazepine

Question 7

Tolerance to substances is seen in which of the following?

Accepted Answer

Physiological dependence

Answer

Obsessive-compulsive disorder

Answer

Hypochondriasis

Answer

Psychological dependence

Question 8

Which of the following is not a feature of Korsakoff's syndrome?

Accepted Answer

Motor skill deficits

Answer

Retrograde amnesia

Answer

Confabulation

Answer

Anterograde amnesia

Question 9

Which of the following statements is most true regarding Korsakoff syndrome?

Accepted Answer

Chronic amnestic syndrome is a feature.

Answer

Intellectual decline is present.

Answer

None of the options.

Answer

Can be seen in chronic alcoholics.

Question 10

Which drug is most commonly used worldwide in maintenance treatment for opioid dependence?

Accepted Answer

Methadone

Answer

Disulfiram

Answer

Naltrexone

Answer

Imipramine

Substance Use Disorders — MCQs

Substance Use Disorders — MCQs

On this page

Practice by Chapter

Want unlimited practice?