1. A 55-year-old woman presents with a history of frequent mood
swings, irritability, and difficulty maintaining relationships. She reports
periods of intense, impulsive behavior, followed by feelings of
emptiness. Which diagnosis is most consistent with this presentation?
A. Borderline personality disorder
B. Bipolar disorder
C. Cyclothymic disorder
D. Major depressive disorder
Answer: a) Borderline personality disorder
Rationale: Borderline personality disorder is characterized by
instability in mood, interpersonal relationships, self-image, and
behavior. Impulsivity, emotional dysregulation, and chronic feelings of
emptiness are core features.
2. Which of the following is the most appropriate treatment for a
patient diagnosed with schizophrenia who is experiencing auditory
hallucinations?
A. Cognitive-behavioral therapy (CBT)
B. Antipsychotic medication
C. Electroconvulsive therapy (ECT)
D. Antidepressant medication
Answer: b) Antipsychotic medication
,Rationale: Antipsychotic medications are the first-line treatment for
schizophrenia, particularly for managing symptoms such as auditory
hallucinations and delusions.
3. A patient with a history of chronic alcoholism is found to have signs
of hepatic encephalopathy. What is the most likely cause of his altered
mental status?
A. Hypoxia
B. Hyperammonemia
C. Hypoglycemia
D. Electrolyte imbalance
Answer: b) Hyperammonemia
Rationale: Hepatic encephalopathy occurs when the liver fails to
detoxify ammonia, leading to a buildup of ammonia in the bloodstream.
This can result in altered mental status, confusion, and other
neuropsychiatric symptoms.
4. A 35-year-old male with a history of anxiety and depression presents
with difficulty falling asleep and waking up frequently during the night.
Which of the following medications is most appropriate for short-term
treatment of insomnia?
A. Zolpidem
B. Sertraline
C. Fluoxetine
, D. Lorazepam
Answer: a) Zolpidem
Rationale: Zolpidem is a non-benzodiazepine sedative-hypnotic
medication that is used for short-term management of insomnia. It
works by enhancing GABA activity, promoting sleep initiation.
5. A 50-year-old male presents with severe fatigue, weight loss, and a
history of alcohol abuse. He is diagnosed with Wernicke-Korsakoff
syndrome. Which of the following vitamins is most commonly deficient
in this condition?
A. Vitamin C
B. Vitamin B12
C. Vitamin D
D. Thiamine (Vitamin B1)
Answer: d) Thiamine (Vitamin B1)
Rationale: Wernicke-Korsakoff syndrome is caused by a deficiency in
thiamine, often due to chronic alcohol abuse, which impairs the ability
to absorb and utilize thiamine, leading to neurological impairments.
6. A 25-year-old female presents with episodes of rapid speech,
decreased need for sleep, and engaging in risky behaviors. Which of the
following medications is most commonly used to treat manic episodes
in bipolar disorder?
A. Lithium
swings, irritability, and difficulty maintaining relationships. She reports
periods of intense, impulsive behavior, followed by feelings of
emptiness. Which diagnosis is most consistent with this presentation?
A. Borderline personality disorder
B. Bipolar disorder
C. Cyclothymic disorder
D. Major depressive disorder
Answer: a) Borderline personality disorder
Rationale: Borderline personality disorder is characterized by
instability in mood, interpersonal relationships, self-image, and
behavior. Impulsivity, emotional dysregulation, and chronic feelings of
emptiness are core features.
2. Which of the following is the most appropriate treatment for a
patient diagnosed with schizophrenia who is experiencing auditory
hallucinations?
A. Cognitive-behavioral therapy (CBT)
B. Antipsychotic medication
C. Electroconvulsive therapy (ECT)
D. Antidepressant medication
Answer: b) Antipsychotic medication
,Rationale: Antipsychotic medications are the first-line treatment for
schizophrenia, particularly for managing symptoms such as auditory
hallucinations and delusions.
3. A patient with a history of chronic alcoholism is found to have signs
of hepatic encephalopathy. What is the most likely cause of his altered
mental status?
A. Hypoxia
B. Hyperammonemia
C. Hypoglycemia
D. Electrolyte imbalance
Answer: b) Hyperammonemia
Rationale: Hepatic encephalopathy occurs when the liver fails to
detoxify ammonia, leading to a buildup of ammonia in the bloodstream.
This can result in altered mental status, confusion, and other
neuropsychiatric symptoms.
4. A 35-year-old male with a history of anxiety and depression presents
with difficulty falling asleep and waking up frequently during the night.
Which of the following medications is most appropriate for short-term
treatment of insomnia?
A. Zolpidem
B. Sertraline
C. Fluoxetine
, D. Lorazepam
Answer: a) Zolpidem
Rationale: Zolpidem is a non-benzodiazepine sedative-hypnotic
medication that is used for short-term management of insomnia. It
works by enhancing GABA activity, promoting sleep initiation.
5. A 50-year-old male presents with severe fatigue, weight loss, and a
history of alcohol abuse. He is diagnosed with Wernicke-Korsakoff
syndrome. Which of the following vitamins is most commonly deficient
in this condition?
A. Vitamin C
B. Vitamin B12
C. Vitamin D
D. Thiamine (Vitamin B1)
Answer: d) Thiamine (Vitamin B1)
Rationale: Wernicke-Korsakoff syndrome is caused by a deficiency in
thiamine, often due to chronic alcohol abuse, which impairs the ability
to absorb and utilize thiamine, leading to neurological impairments.
6. A 25-year-old female presents with episodes of rapid speech,
decreased need for sleep, and engaging in risky behaviors. Which of the
following medications is most commonly used to treat manic episodes
in bipolar disorder?
A. Lithium
