<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 23-year old man is brought to the emergency department by his brother after trying to jump out of a moving car. He says that the Federal Bureau of Investigation has been following him for the last 7 months. He recently quit his job at a local consulting firm to work on his mission to rid the world from evil. He does not smoke, drink alcoholic beverages, or use illicit drugs. He takes no medications. His temperature is 36.7C 98.1F, pulse is 90min, respirations are 20min, and blood pressure is 12086 mm Hg. On mental status examination, his response to the first question lasted 5 minutes without interruption. He switched topics a number of times and his speech was pressured. He spoke excessively about his plan to bring absolute justice to the world. He has a labile affect. There is no evidence of suicidal ideation. A toxicology screen is negative. He is admitted to the hospital for his symptoms and starts therapy. One week later, he develops difficulty walking and a tremor that improves with activity. Which of the following is the most likely cause of this patients latest symptoms?? A: Dopamine antagonist, B: Acetylcholine antagonist, C: Serotoninnorepinephrine reuptake inhibitor, D: Histamine antagonist, E: Selective serotonin reuptake inhibitor,  <response>: This is a clinical vignette describing a 23-year-old man brought to the emergency department after trying to jump out of a moving car. He is exhibiting signs of paranoia, delusions, pressured speech, and disorganized behavior, suggesting a psychotic disorder like schizophrenia. He was admitted and started on therapy. One week later, he developed difficulty walking and a tremor that improves with activity, which are classic signs of extrapyramidal side effects from antipsychotic medications. The choices list different medication classes. Dopamine antagonists choice A like antipsychotics can cause extrapyramidal side effects like tremors and difficulty walking. The other choices are less likely to cause these specific side effects.A: Dopamine antagonist 