DO Psychiatry and Behavioral Medicine

Question 1

A 35-year-old woman presents with persistent sadness, anhedonia, insomnia, fatigue, difficulty concentrating, and feelings of worthlessness for 3 weeks.
What is the minimum number of symptoms required to diagnose Major Depressive Disorder per DSM-5?

Accepted Answer

5 symptoms for at least 2 weeks

Answer

3 symptoms for at least 1 week

Answer

4 symptoms for at least 1 week

Answer

7 symptoms for at least 2 weeks

Question 2

A 22-year-old man with schizophrenia has persistent auditory hallucinations and delusions despite adequate trials of two second-generation antipsychotics. Which medication is most appropriate for treatment-resistant schizophrenia?

Accepted Answer

Clozapine

Answer

Risperidone

Answer

Haloperidol

Answer

Quetiapine

Question 3

Which feature best distinguishes Bipolar I disorder from Bipolar II disorder?

Accepted Answer

At least one full manic episode lasting 7 or more days

Answer

Presence of at least one major depressive episode

Answer

Hypomanic episodes lasting at least 4 days without a full manic episode

Answer

Rapid cycling between four or more mood episodes per year

Question 4

A 28-year-old woman reports recurrent, unexpected episodes of intense fear with palpitations, dyspnea, chest pain, and fear of dying peaking within 10 minutes. She now avoids crowded places. What is the most likely diagnosis?

Accepted Answer

Panic Disorder with Agoraphobia

Answer

Generalized Anxiety Disorder

Answer

Social Anxiety Disorder

Answer

Specific Phobia

Question 5

A 32-year-old veteran presents with intrusive flashbacks, nightmares, hypervigilance, emotional numbing, and avoidance of combat-related stimuli persisting for 6 months post-deployment. What is the first-line pharmacological treatment?

Accepted Answer

Sertraline or paroxetine

Answer

Benzodiazepines

Answer

Risperidone

Answer

Propranolol

Question 6

A 68-year-old man continues to experience intense longing, difficulty accepting his wife's death, and significant functional impairment 14 months after her passing. He does not meet criteria for Major Depressive Disorder. What is the most likely diagnosis?

Accepted Answer

Prolonged Grief Disorder

Answer

Major Depressive Disorder

Answer

Adjustment Disorder

Answer

Normal bereavement

Question 7

A physician is assessing suicide risk in a 45-year-old man with depression. Which factor is the single strongest predictor of completed suicide?

Accepted Answer

Prior suicide attempt

Answer

Verbal expression of suicidal ideation

Answer

Diagnosis of Major Depressive Disorder

Answer

Social isolation