<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 19-year-old man is brought to the emergency department by the resident assistant of his dormitory for strange behavior. He was found locked out of his room, where the patient admitted to attending a fraternity party before becoming paranoid that the resident assistant would report him to the police. The patient appears anxious. His pulse is 105min, and blood pressure is 14285 mm Hg. Examination shows dry mucous membranes and bilateral conjunctival injection. Further evaluation is most likely to show which of the following?? A: Tactile hallucinations, B: Pupillary constriction, C: Synesthesia, D: Sense of closeness to others, E: Impaired reaction time,  <response>: This is a clinical vignette describing a 19-year-old man brought to the emergency department with strange behavior after attending a fraternity party. He appears anxious with tachycardia, hypertension, dry mucous membranes and conjunctival injection. The key findings are anxiety, tachycardia, hypertension, dry mucous membranes and conjunctival injection in a young man after attending a party where alcohol may have been involved. This clinical presentation is most consistent with sympathomimetic toxicity from stimulant drugs like cocaine or amphetamines. Choice A, B and C can all occur with hallucinogen use but are less likely in this scenario. Choice D does not match the paranoid behavior described. Choice E of impaired reaction time can occur with alcohol intoxication but the vital signs and physical exam findings point more towards sympathomimetic toxicity.E: Impaired reaction time 