1. A 60-year-old female with a history of depression is diagnosed with
mild cognitive impairment (MCI). Which of the following is the most
likely cause of her cognitive decline?
A. Alzheimer's disease
B. Major depressive disorder
C. Normal aging
D. Parkinson's disease
Answer: b) Major depressive disorder
Rationale: Depression, especially in older adults, can contribute to
cognitive decline, which is sometimes referred to as "pseudodementia."
In some cases, the cognitive decline can mimic that of Alzheimer’s
disease but improves with appropriate treatment for depression.
2. A 60-year-old male with depression is being treated with a selective
serotonin reuptake inhibitor (SSRI). He presents with a high fever,
altered mental status, and muscle rigidity. Which of the following is the
most likely diagnosis?
A. Neuroleptic malignant syndrome
B. Serotonin syndrome
C. Delirium
D. Panic disorder
Answer: b) Serotonin syndrome
,Rationale: Serotonin syndrome can occur with the use of SSRIs,
especially when combined with other serotonergic medications. It is
characterized by hyperthermia, altered mental status, autonomic
dysregulation, and neuromuscular hyperactivity.
3. A 40-year-old female presents with persistent worry and anxiety
related to work and family. She reports having difficulty relaxing and
often feels tense. Which of the following treatments is most effective
for generalized anxiety disorder?
A. Benzodiazepines
B. Cognitive-behavioral therapy
C. Antipsychotics
D. Electroconvulsive therapy
Answer: b) Cognitive-behavioral therapy
Rationale: Cognitive-behavioral therapy (CBT) is the most effective
psychological treatment for generalized anxiety disorder. It involves
identifying and challenging maladaptive thoughts and teaching coping
mechanisms.
4. A 60-year-old male is diagnosed with Alzheimer's disease. Which of
the following neurotransmitters is most directly involved in the
pathophysiology of this disorder?
A. Serotonin
B. Norepinephrine
C. Acetylcholine
,D. Dopamine
Answer: c) Acetylcholine
Rationale: Alzheimer's disease is associated with a deficit in
acetylcholine, which plays a critical role in memory and cognitive
function. Cholinergic dysfunction is central to the pathology of
Alzheimer's.
5. A 25-year-old male presents with a history of eating large amounts
of food in a short period of time, without any compensatory behaviors
like vomiting. He feels distressed and out of control during these
episodes. What is the most likely diagnosis?
A. Bulimia nervosa
B. Binge eating disorder
C. Anorexia nervosa
D. Avoidant/restrictive food intake disorder
Answer: b) Binge eating disorder
Rationale: Binge eating disorder is characterized by episodes of
consuming large quantities of food in a short time, accompanied by a
lack of control. Unlike bulimia nervosa, there are no compensatory
behaviors such as vomiting.
6. A 20-year-old male with schizophrenia is noncompliant with his
antipsychotic medication. He begins to exhibit a high fever, muscle
rigidity, and autonomic instability. What is the most likely diagnosis?
A. Tardive dyskinesia
, B. Neuroleptic malignant syndrome
C. Serotonin syndrome
D. Sepsis
Answer: b) Neuroleptic malignant syndrome
Rationale: Neuroleptic malignant syndrome is a life-threatening
condition that occurs after antipsychotic use, characterized by fever,
rigidity, and autonomic dysregulation.
7. A 32-year-old female presents with a fear of gaining weight despite
being underweight and engaging in extreme dieting and exercise.
Which of the following is the most likely diagnosis?
A. Anorexia nervosa
B. Bulimia nervosa
C. Body dysmorphic disorder
D. Binge eating disorder
Answer: a) Anorexia nervosa
Rationale: Anorexia nervosa is characterized by an intense fear of
gaining weight and a distorted body image, often leading to severe
weight loss due to restrictive eating and excessive exercise.
8. 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)
mild cognitive impairment (MCI). Which of the following is the most
likely cause of her cognitive decline?
A. Alzheimer's disease
B. Major depressive disorder
C. Normal aging
D. Parkinson's disease
Answer: b) Major depressive disorder
Rationale: Depression, especially in older adults, can contribute to
cognitive decline, which is sometimes referred to as "pseudodementia."
In some cases, the cognitive decline can mimic that of Alzheimer’s
disease but improves with appropriate treatment for depression.
2. A 60-year-old male with depression is being treated with a selective
serotonin reuptake inhibitor (SSRI). He presents with a high fever,
altered mental status, and muscle rigidity. Which of the following is the
most likely diagnosis?
A. Neuroleptic malignant syndrome
B. Serotonin syndrome
C. Delirium
D. Panic disorder
Answer: b) Serotonin syndrome
,Rationale: Serotonin syndrome can occur with the use of SSRIs,
especially when combined with other serotonergic medications. It is
characterized by hyperthermia, altered mental status, autonomic
dysregulation, and neuromuscular hyperactivity.
3. A 40-year-old female presents with persistent worry and anxiety
related to work and family. She reports having difficulty relaxing and
often feels tense. Which of the following treatments is most effective
for generalized anxiety disorder?
A. Benzodiazepines
B. Cognitive-behavioral therapy
C. Antipsychotics
D. Electroconvulsive therapy
Answer: b) Cognitive-behavioral therapy
Rationale: Cognitive-behavioral therapy (CBT) is the most effective
psychological treatment for generalized anxiety disorder. It involves
identifying and challenging maladaptive thoughts and teaching coping
mechanisms.
4. A 60-year-old male is diagnosed with Alzheimer's disease. Which of
the following neurotransmitters is most directly involved in the
pathophysiology of this disorder?
A. Serotonin
B. Norepinephrine
C. Acetylcholine
,D. Dopamine
Answer: c) Acetylcholine
Rationale: Alzheimer's disease is associated with a deficit in
acetylcholine, which plays a critical role in memory and cognitive
function. Cholinergic dysfunction is central to the pathology of
Alzheimer's.
5. A 25-year-old male presents with a history of eating large amounts
of food in a short period of time, without any compensatory behaviors
like vomiting. He feels distressed and out of control during these
episodes. What is the most likely diagnosis?
A. Bulimia nervosa
B. Binge eating disorder
C. Anorexia nervosa
D. Avoidant/restrictive food intake disorder
Answer: b) Binge eating disorder
Rationale: Binge eating disorder is characterized by episodes of
consuming large quantities of food in a short time, accompanied by a
lack of control. Unlike bulimia nervosa, there are no compensatory
behaviors such as vomiting.
6. A 20-year-old male with schizophrenia is noncompliant with his
antipsychotic medication. He begins to exhibit a high fever, muscle
rigidity, and autonomic instability. What is the most likely diagnosis?
A. Tardive dyskinesia
, B. Neuroleptic malignant syndrome
C. Serotonin syndrome
D. Sepsis
Answer: b) Neuroleptic malignant syndrome
Rationale: Neuroleptic malignant syndrome is a life-threatening
condition that occurs after antipsychotic use, characterized by fever,
rigidity, and autonomic dysregulation.
7. A 32-year-old female presents with a fear of gaining weight despite
being underweight and engaging in extreme dieting and exercise.
Which of the following is the most likely diagnosis?
A. Anorexia nervosa
B. Bulimia nervosa
C. Body dysmorphic disorder
D. Binge eating disorder
Answer: a) Anorexia nervosa
Rationale: Anorexia nervosa is characterized by an intense fear of
gaining weight and a distorted body image, often leading to severe
weight loss due to restrictive eating and excessive exercise.
8. 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)
