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PTSD — USMLE Step 3 MCQ

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ModeratePsychiatry (outpatient management)PTSDUSMLE Step 3

A 33-year-old veteran has nightmares, intrusive memories, hypervigilance, avoidance of crowds, and guilt for 8 months after a combat-related explosion. He startles easily and avoids reminders. Which of the following is the most likely diagnosis?

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Correct answer: A — Post-traumatic stress disorder

Trauma exposure followed by reexperiencing, avoidance, negative mood/cognition, and hyperarousal for more than 1 month indicates PTSD.

Reference: APA practice guidance for depressive, anxiety, bipolar, and substance-use disorders