Focused MCQs on Alcohol-Related Disorders

Alcohol Composition and Congeners

Q. Which of the following is a congener that contributes to the characteristic taste or flavor of different alcohol compositions?

1. Ethanol
2. Butanol
3. Methanol
4. Acetone

Answer :  B- Butanol

Epidemiology: Lifetime Prevalence in Psychiatric Patients

Q. What is the lifetime prevalence of alcohol use disorder in psychiatric patients?

1. 20%
2. 25%
3. 30%
4. 35%

Answer : C - 30%

Alcohol Concentrations: Strong Beer

Q. In strong beer, what is the approximate concentration of alcohol by volume?

1. 1-2%
2. 3-4%
3. 8-11%
4. 14-20%

Answer : C. 8-11%

Absorption: Prominent Area for Alcohol Absorption

Q. Where is the most prominent area in the small intestine for the absorption of alcohol?

1. Distal small intestine
2. Proximal small intestine
3. Ileum
4. Duodenum

Answer :B. Proximal small intestine

Mellanby Effect: Intoxicating Effects

Q. According to the Mellanby effect, when is the intoxicating effect of alcohol more pronounced?

1. During increasing blood alcohol levels
2. During decreasing blood alcohol levels
3. Constant throughout
4. At peak blood alcohol concentration

Answer :A. During increasing blood alcohol levels

Pathological Intoxication: Predisposing Factor

Q. What is described as the predisposing factor to pathological intoxication?

1. Trauma
2. Vitamin deficiency
3. Genetic predisposition
4. Respiratory depression

Answer :A. Trauma

Metabolism: Enzyme Converting Alcohol to Acetaldehyde

Q. Which enzyme in the liver converts alcohol into acetaldehyde?

1. Alcohol dehydrogenase (ADH)
2. Aldehyde dehydrogenase (ALDH)
3. Microsomal ethanol oxidizing system (MEOS)
4. Pyloric valve

Answer :A. Alcohol dehydrogenase (ADH)

Alcohol's Effect on the Brain: Neurotransmitter System

Q. Which neurotransmitter system is most significantly affected by alcohol, especially the GABA-A receptor?

1. Dopamine
2. Serotonin
3. Glutamate
4. Acetylcholine

Answer :C. Glutamate

Behavioral Effects: Blood Alcohol Concentration (BAC)

Q. At what Blood Alcohol Concentration (BAC) level do voluntary motor actions become clumsy?

1. A. 0.05%
2. B. 0.1%
3. C. 0.2%
4. D. 0.3%

Answer :B. 0.1%

Tolerance: Pharmacodynamic Tolerance

Q. What does pharmacodynamic or cellular tolerance involve in the context of alcohol?

1. Adaptation of alcohol metabolizing systems
2. Adaptation of the nervous system to resist alcohol's actions on cells
3. Learning to perform tasks effectively under alcohol influence
4. Adaptation of neurotransmitter receptors

Answer :B. Adaptation of the nervous system to resist alcohol's actions on cells

Effects of Alcohol on Sleep: REM Sleep

Q. How does alcohol affect REM sleep?

1. Increases REM sleep
2. Decreases REM sleep
3. Does not affect REM sleep
4. Stabilizes REM sleep

Answer :B. Decreases REM sleep

Other CNS Effects: Cerebellar Degeneration

Q. What symptoms may be seen due to cerebellar degeneration caused by alcohol?

1. Hypertension
2. Unsteady gait and impaired standing steadiness
3. Respiratory depression
4. Hyperactivity

Answer :B. Unsteady gait and impaired standing steadiness

Alcohol's Other Physiologic Effects: Liver Cirrhosis

Q. In what percentage of patients with Alcohol Use Disorder (AUD) is liver cirrhosis seen?

1. 5%
2. 10%
3. 15%
4. 20%

Answer :C. 15%

Fetal Alcohol Effects: Leading Cause of Intellectual Disability

Q. What is the leading cause of intellectual disability associated with alcohol use during pregnancy?

1. Down syndrome
2. Fetal alcohol syndrome
3. Cerebral palsy
4. Autism spectrum disorder

Answer :B. Fetal alcohol syndrome

Other Problems: Testicular Atrophy

Q. What physiological change is seen in males due to heavy alcohol intake?

1. Increased testosterone levels
2. Testicular hypertrophy
3. Testicular atrophy
4. Enhanced fertility

Answer :C. Testicular atrophy

Metabolism: Alcohol Dehydrogenase (ADH)

Q. Which part of the cell contains alcohol dehydrogenase (ADH), the enzyme that converts alcohol to acetaldehyde?

1. Cytoplasm
2. Nucleus
3. Mitochondria
4. Endoplasmic reticulum

Answer :A. Cytoplasm

Alcohol Concentrations: Arrack

Q. What is the approximate concentration of alcohol by volume in arrack?

1. 20%
2. 25%
3. 33%
4. 40%

Answer :C. 33%

Pathological Intoxication: Alternative Term

Q. What is another term used for pathological intoxication?

1. Delirium tremens
2. Mania a potu
3. Reverse tolerance
4. Metabolic syndrome

Answer :B. Mania a potu

Tolerance: Behavioral Tolerance

Q. What does behavioral tolerance involve?

1. Adaptation of alcohol metabolizing systems
2. Adaptation of the nervous system to resist alcohol's actions on cells
3. Learning to perform tasks effectively under alcohol influence
4. Adaptation of neurotransmitter receptors

Answer :C. Learning to perform tasks effectively under alcohol influence

Effects of Alcohol on the Brain: Dopamine

Q. In chronic alcohol use, what changes occur in dopamine receptor numbers and sensitivity?

1. Decreased dopamine production
2. Unchanged dopamine receptor numbers
3. Increased dopamine receptor numbers and sensitivity
4. No effect on dopamine receptors

Answer :C.  Increased dopamine receptor numbers and sensitivity

Etiology of Alcohol Use Disorders: Genetic Factors

Q. What percentage of the risk for Alcohol Use Disorders (AUDs) is attributed to genetic factors?

1. 20%
2. 40%
3. 60%
4. 80%

Answer: C. 60%

Biological Mediators of AUD Risk: Alcohol Metabolizing Enzymes

Q. Which gene controls the mitochondrial low km ALDH2 enzyme and significantly decreases the risk of Alcohol Use Disorder (AUD) when homozygous?

1. ADH1C
2. ALDH2
3. ADH1B
4. ALDH1A1

Answer: B. ALDH2

Biological Mediators of AUD Risk: Impulsivity and Disinhibition

Q. What psychiatric disorder, characterized by extreme impulsivity and disinhibition, increases the risk of AUDs and Substance Use Disorders (SUDs) by 80%?

1. Bipolar Disorder
2. Antisocial Personality Disorder
3. Schizophrenia
4. Panic Disorder

Answer: B. Antisocial Personality Disorder

Intermediate Phenotypes/Endophenotypes:

Electrophysiological Markers

Q. Which electrophysiological marker significantly reduces in one-third of sons of alcoholic fathers?

1. P3
2. Alpha waves
3. Theta waves
4. Delta waves

Answer:A. P3

Genetic Influences in Alcoholism Risk: Psychological and Sociocultural Theories

Q. According to psychological theories, what increases the risk of heavier drinking by exaggerating the amount that is considered acceptable, healthy, and safe?

1. Family history
2. Perceived pattern of drinking among peers
3. Psychological dependence
4. Biological mediators

Answer: B. Perceived pattern of drinking among peers

Psychodynamic Theories in Alcoholism Risk: Childhood History

Q. According to classic psychoanalytical theory, what developmental stage might individuals fixate on if they develop Alcohol Use Disorder (AUD)?

1. Genital stage
2. Phallic stage
3. Anal stage
4. Oral stage

Answer: D. Oral stage

Babor's Classification: Type A Alcoholism

Q. Which of the following is a characteristic of Type A Alcoholism?

1. Early age of onset
2. High personality impulsivity
3. More Severe
4. Coping skills training as a treatment

Answer:C. More Severe

Cloninger Classification: Type I Alcoholism

Q. What is a characteristic of individuals with Type I Alcoholism?

1. Onset age < 25 years
2. Genetic factors –
3. Positive family history
4. Drinking and aggressive behavior

Answer: C. Positive family history

Lesch Typology (Syndrome): Type III

Q. In Lesch's Typology, which model attributes craving to mood or family history?

1. Allergy model
2. Conflict-solving model
3. Depressive model
4. Conditioning model

Answer: C. Depressive model

Jellinek 5 'Species': Gamma

Q. What characterizes individuals in Jellinek's 'Gamma' species?

1. Excessive and inappropriate drinking to rescue physical or emotional pain
2. Drinking due to physical complications without dependence
3. Malignant alcoholism with psychological and physical dependence
4. Compulsive drinking (dipsomania)

Answer: C. Malignant alcoholism with psychological and physical dependence

Genetic Factors in AUD Risk

Q. What is the risk increase for Alcohol Use Disorders (AUDs) if an individual has a close family member with AUD?

1. 2 times
2. 3-4 times
3. 5 times
4. 6-8 times

Answer:B. 3-4 times

Biological Mediators of AUD Risk: Impulsivity and Disinhibition

Q. Which personality trait, influenced by genes, is associated with an 80% increased risk of AUDs and Substance Use Disorders (SUDs)?

1. Introversion
2. Impulsivity
3. Openness
4. Agreeableness

Answer:B. Impulsivity

Biological Mediators of AUD Risk: Low Level of Response to Alcohol

Q. Individuals with a lower response to alcohol at rising blood alcohol levels are likely to need ___________.

1. Lower doses to experience alcohol effects
2. Higher doses to experience alcohol effects
3. No change in alcohol doses
4. Variable doses based on mood

Answer: B. Higher doses to experience alcohol effects

Intermediate Phenotypes/Endophenotypes:

Electrophysiological Markers

Q. What event-related brain potential (ERP) significantly reduces in sons of alcoholic fathers?

1. Delta waves
2. Theta waves
3. P3
4. Alpha waves

Answer: C. P3

Genetic Influences in Alcoholism Risk: Psychological and Sociocultural Theories

Q. According to psychological theories, what factor influences a person's expectations of the effects of alcohol?

1. Family history
2. Perceived pattern of drinking among peers
3. Stress
4. Cultural practices

Answer: B. Perceived pattern of drinking among peers

Psychodynamic Theories in Alcoholism Risk: Childhood History

Q. According to classic psychoanalytical theory, what stage of development might individuals with AUD fixate on?

1. Genital stage
2. Phallic stage
3. Anal stage
4. Oral stage

Answer: D. Oral stage

Babor's Classification: Type B Alcoholism

Q. What is another name for Type B Alcoholism in Babor's Classification?

1. APOLLO
2. BACCHUS
3. Dionysus
4. Hermes

Answer: D. Oral stage

Cloninger Classification: Type II Alcoholism

Q. What is a characteristic of individuals with Type II Alcoholism?

1. Genetic factors +
2. Higher psychological dependence
3. Onset age (> 25 years)
4. Doesn't lose control

Answer: D. Doesn't lose control

Lesch Typology (Syndrome): Type IV

Q. In Lesch's Typology, which model attributes craving to cerebral damage or childhood problems?

1. Allergy model
2. Conflict-solving model
3. Depressive model
4. Conditioning model

Answer:D. Conditioning model

Jellinek 5 'Species': Delta

Q. What characterizes individuals in Jellinek's 'Delta' species?

1. Excessive and inappropriate drinking to rescue physical or emotional pain
2. Drinking due to physical complications without dependence
3. Physical then psychological dependence
4. Compulsive drinking (dipsomania)

Answer: C. Physical then psychological dependence

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