MN605 UNIT 5 PRACTICE EXAM
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES
2025
1. A patient presents with a 2-week history of depressed mood,
anhedonia, fatigue, and suicidal ideation. What is the most likely
diagnosis?
• Dysthymia
• Bipolar II disorder
• Major depressive disorder
• Adjustment disorder with depressed mood
MDD requires at least 5 symptoms including depressed mood or
anhedonia for at least 2 weeks.
2. Which neurotransmitter is most associated with the pathophysiology
of depression?
,• Dopamine
• Serotonin
• Acetylcholine
• GABA
Serotonin dysregulation is heavily implicated in depression.
3. A patient believes they are being followed by government agents but
has no other psychotic features. What is the most likely diagnosis?
• Brief psychotic disorder
• Delusional disorder
• Schizophrenia
• Schizoaffective disorder
Delusional disorder involves non-bizarre delusions for at least one
month without other psychotic symptoms.
4. A key differentiating feature of Bipolar I disorder is:
• Presence of depressive episodes
• Presence of at least one manic episode
• Hypomanic episodes only
• Cyclothymic mood pattern
Bipolar I requires at least one full manic episode, regardless of
depression.
,5. What is the first-line pharmacologic treatment for generalized anxiety
disorder (GAD)?
• Buspirone
• Benzodiazepines
• SSRIs
• Beta blockers
SSRIs are first-line due to efficacy and safety profile.
6. A patient has recurrent, unexpected panic attacks and persistent
concern about having more. Diagnosis?
• GAD
• Social anxiety disorder
• Panic disorder
• PTSD
Panic disorder is characterized by unexpected attacks and ongoing
fear of recurrence.
7. Which of the following is a negative symptom of schizophrenia?
• Delusions
• Affective flattening
• Hallucinations
, • Disorganized speech
Negative symptoms include diminished emotional expression,
avolition, and anhedonia.
8. Which personality disorder is characterized by instability in
interpersonal relationships, self-image, and affect?
• Narcissistic
• Histrionic
• Borderline
• Avoidant
Borderline PD involves emotional lability and interpersonal
instability.
9. A child exhibits inattention and impulsivity for more than 6 months in
two settings. Likely diagnosis?
• Conduct disorder
• ADHD
• Oppositional defiant disorder
• Autism spectrum disorder
ADHD requires persistent symptoms across settings.
10. Which medication requires monitoring for agranulocytosis?
• Risperidone
• Clozapine
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES
2025
1. A patient presents with a 2-week history of depressed mood,
anhedonia, fatigue, and suicidal ideation. What is the most likely
diagnosis?
• Dysthymia
• Bipolar II disorder
• Major depressive disorder
• Adjustment disorder with depressed mood
MDD requires at least 5 symptoms including depressed mood or
anhedonia for at least 2 weeks.
2. Which neurotransmitter is most associated with the pathophysiology
of depression?
,• Dopamine
• Serotonin
• Acetylcholine
• GABA
Serotonin dysregulation is heavily implicated in depression.
3. A patient believes they are being followed by government agents but
has no other psychotic features. What is the most likely diagnosis?
• Brief psychotic disorder
• Delusional disorder
• Schizophrenia
• Schizoaffective disorder
Delusional disorder involves non-bizarre delusions for at least one
month without other psychotic symptoms.
4. A key differentiating feature of Bipolar I disorder is:
• Presence of depressive episodes
• Presence of at least one manic episode
• Hypomanic episodes only
• Cyclothymic mood pattern
Bipolar I requires at least one full manic episode, regardless of
depression.
,5. What is the first-line pharmacologic treatment for generalized anxiety
disorder (GAD)?
• Buspirone
• Benzodiazepines
• SSRIs
• Beta blockers
SSRIs are first-line due to efficacy and safety profile.
6. A patient has recurrent, unexpected panic attacks and persistent
concern about having more. Diagnosis?
• GAD
• Social anxiety disorder
• Panic disorder
• PTSD
Panic disorder is characterized by unexpected attacks and ongoing
fear of recurrence.
7. Which of the following is a negative symptom of schizophrenia?
• Delusions
• Affective flattening
• Hallucinations
, • Disorganized speech
Negative symptoms include diminished emotional expression,
avolition, and anhedonia.
8. Which personality disorder is characterized by instability in
interpersonal relationships, self-image, and affect?
• Narcissistic
• Histrionic
• Borderline
• Avoidant
Borderline PD involves emotional lability and interpersonal
instability.
9. A child exhibits inattention and impulsivity for more than 6 months in
two settings. Likely diagnosis?
• Conduct disorder
• ADHD
• Oppositional defiant disorder
• Autism spectrum disorder
ADHD requires persistent symptoms across settings.
10. Which medication requires monitoring for agranulocytosis?
• Risperidone
• Clozapine
