1. 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.
2. 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.
3. A 40-year-old male presents with sudden onset of extreme fear of
public speaking, sweating, and palpitations. These symptoms occur
only in social situations. What is the most likely diagnosis?
A. Generalized anxiety disorder
B. Social anxiety disorder
C. Panic disorder
D. Specific phobia
Answer: b) Social anxiety disorder
Rationale: Social anxiety disorder is characterized by an intense fear of
social situations where the individual may be scrutinized or judged.
Symptoms like sweating, palpitations, and fear of public speaking are
consistent with this condition.
4. A 32-year-old male is diagnosed with schizophrenia and has been
prescribed an antipsychotic medication. Which of the following side
effects is more common with first-generation antipsychotics?
A. Weight gain
B. Extrapyramidal symptoms
C. Sexual dysfunction
, D. Metabolic syndrome
Answer: b) Extrapyramidal symptoms
Rationale: First-generation antipsychotics are more commonly
associated with extrapyramidal symptoms (EPS), including tremors,
rigidity, and bradykinesia. These symptoms result from the blockade of
dopamine receptors in the basal ganglia.
5. A 45-year-old female presents with intrusive, distressing thoughts
about harming her child, which she finds horrifying. She has no intent
to act on these thoughts. Which of the following is the most likely
diagnosis?
A. Obsessive-compulsive disorder
B. Postpartum depression
C. Generalized anxiety disorder
D. Acute stress disorder
Answer: a) Obsessive-compulsive disorder
Rationale: Obsessive-compulsive disorder (OCD) can manifest with
intrusive and disturbing thoughts (obsessions) that the individual finds
repugnant and distressing. This differs from psychotic delusions
because the person recognizes the thoughts as irrational.
6. 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
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.
2. 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.
3. A 40-year-old male presents with sudden onset of extreme fear of
public speaking, sweating, and palpitations. These symptoms occur
only in social situations. What is the most likely diagnosis?
A. Generalized anxiety disorder
B. Social anxiety disorder
C. Panic disorder
D. Specific phobia
Answer: b) Social anxiety disorder
Rationale: Social anxiety disorder is characterized by an intense fear of
social situations where the individual may be scrutinized or judged.
Symptoms like sweating, palpitations, and fear of public speaking are
consistent with this condition.
4. A 32-year-old male is diagnosed with schizophrenia and has been
prescribed an antipsychotic medication. Which of the following side
effects is more common with first-generation antipsychotics?
A. Weight gain
B. Extrapyramidal symptoms
C. Sexual dysfunction
, D. Metabolic syndrome
Answer: b) Extrapyramidal symptoms
Rationale: First-generation antipsychotics are more commonly
associated with extrapyramidal symptoms (EPS), including tremors,
rigidity, and bradykinesia. These symptoms result from the blockade of
dopamine receptors in the basal ganglia.
5. A 45-year-old female presents with intrusive, distressing thoughts
about harming her child, which she finds horrifying. She has no intent
to act on these thoughts. Which of the following is the most likely
diagnosis?
A. Obsessive-compulsive disorder
B. Postpartum depression
C. Generalized anxiety disorder
D. Acute stress disorder
Answer: a) Obsessive-compulsive disorder
Rationale: Obsessive-compulsive disorder (OCD) can manifest with
intrusive and disturbing thoughts (obsessions) that the individual finds
repugnant and distressing. This differs from psychotic delusions
because the person recognizes the thoughts as irrational.
6. 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