13. A 40-year-old woman with severe depression has suicidal ideation and refusal to eat. She has not improved with antidepressants. Which treatment provides the most rapid response?
A. Electroconvulsive therapy
B. Psychoanalysis
C. CBT alone
D. Lithium therapy
14. A 29-year-old man presents with recurrent intrusive thoughts of harming his child. He is distressed by these thoughts and avoids holding the baby. He knows these thoughts are irrational. What are these thoughts called?
A. Delusions
B. Obsessions
C. Hallucinations
D. Phobias
15. A 23-year-old medical student develops intense fear and palpitations whenever she enters crowded elevators. She avoids elevators despite knowing fear is excessive. Which is the most likely diagnosis?
A. Panic disorder
B. Agoraphobia
C. Specific phobia
D. Social anxiety disorder
16. A 48-year-old chronic alcoholic suddenly develops tremors, sweating, agitation, visual hallucinations, and disorientation after stopping alcohol intake abruptly. Which is the most likely diagnosis?
A. Korsakoff psychosis
B. Hepatic encephalopathy
C. Acute psychosis
D. Delirium tremens
17. A 21-year-old woman presents with low body weight, amenorrhea, distorted body image, and refusal to maintain normal weight despite emaciation. Which is the most likely diagnosis?
A. Anorexia nervosa
B. Bulimia nervosa
C. Depression
D. Somatization disorder
18. A 34-year-old man presents with elevated mood, excessive spending, increased energy, and decreased sleep for 5 days. Occupational functioning is not severely impaired and psychosis is absent. Which is the most likely diagnosis?
A. Mania
B. Hypomania
C. Cyclothymia
D. Schizoaffective disorder
19. A 55-year-old man believes his spouse is unfaithful despite no evidence. He repeatedly accuses her and monitors her activities. Functioning is otherwise preserved. Which is the most likely diagnosis?
A. Schizophrenia
B. OCD
C. Delusional disorder
D. Major depression
20. A 26-year-old woman develops flashbacks, nightmares, hypervigilance, and avoidance behavior after surviving a major road traffic accident 3 months ago. Which is the most likely diagnosis?
A. Acute stress disorder
B. Adjustment disorder
C. Panic disorder
D. Post-traumatic stress disorder
21. A 42-year-old man with schizophrenia develops rigidity, tremors, bradykinesia, and mask-like facies after starting antipsychotic medication. Which adverse effect is he experiencing?
A. Drug-induced parkinsonism
B. Akathisia
C. Tardive dyskinesia
D. Neuroleptic malignant syndrome
22. A 30-year-old woman presents with multiple physical complaints involving abdomen, head, and joints for several years. Repeated investigations are normal. Symptoms cause significant distress. Which is the most likely diagnosis?
A. Illness anxiety disorder
B. Somatic symptom disorder
C. Conversion disorder
D. Factitious disorder
23. A 45-year-old man presents with recurrent episodes of severe sadness every winter associated with hypersomnia and overeating. Symptoms improve during summer months. Which is the most likely diagnosis?
A. Cyclothymia
B. Persistent depressive disorder
C. Seasonal affective disorder
D. Bipolar disorder
24. A 19-year-old boy presents with fear of being negatively judged while speaking in public. He avoids seminars and social interactions due to severe anxiety and sweating. Which is the most likely diagnosis?
A. Specific phobia
B. Panic disorder
C. Agoraphobia
D. Social anxiety disorder
25. A 60-year-old patient admitted to ICU develops fluctuating consciousness, disorientation, visual hallucinations, and disturbed sleep-wake cycle over 2 days. Which is the most likely diagnosis?
A. Delirium
B. Dementia
C. Schizophrenia
D. Depression
26. A 25-year-old woman presents with recurrent episodes of impulsive self-harm, unstable relationships, mood swings, and chronic feelings of emptiness. Which personality disorder is most likely?
A. Histrionic personality disorder
B. Borderline personality disorder
C. Antisocial personality disorder
D. Avoidant personality disorder