<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 28-year-old male presents to trauma surgery clinic after undergoing an exploratory laparotomy, femoral intramedullary nail, and femoral artery vascular repair 3 months ago. He suffered multiple gunshot wounds as a victim of a drive-by shooting. He is progressing well with well-healed surgical incisions on examination. He states during his clinic visit that he has been experiencing 6 weeks of nightmares where he relives the day he was shot. The patient also endorses 6 weeks of flashbacks to the shooter pointing the gun at him during the daytime as well. He states that he has had difficulty sleeping and cannot concentrate when performing tasks. Which of the following is the most likely diagnosis?? A: Acute stress disorder, B: Normal reaction to trauma, C: Post-traumatic stress disorder PTSD, D: Schizophrenia, E: Schizophreniform disorder,  <response>: This is a clinical vignette describing a 28-year-old male who underwent surgery after suffering multiple gunshot wounds 3 months ago. He is now experiencing nightmares, flashbacks, difficulty sleeping and concentrating - symptoms that started 6 weeks ago and persist. The question asks to identify the most likely diagnosis based on his traumatic experience and subsequent symptoms. Choice A is acute stress disorder - this describes acute symptoms in the initial month after a traumatic event. Choice B describes a normal reaction to trauma, which would not last this long after the event. Choice C is post-traumatic stress disorder PTSD - this is characterized by intrusive symptoms, avoidance, negative alterations in cognitionmood, and hyperarousal after exposure to trauma. His symptoms of nightmares, flashbacks, sleep issues, and concentration problems are consistent with PTSD. Choices D and E of schizophrenia and schizophreniform disorder are incorrect, as his symptoms started after a clear traumatic event and do not describe psychotic symptoms.C: Post-traumatic stress disorder PTSD 