1. A 48-year-old m an had a long history of classic m igraine that w as recently well controlled by sum atriptan. W hich of the follow ing parts of the central nervous system was m ost likely a prim...

1. A 48-year-old m an had a long history of classic m igraine that w as recently well controlled by sum atriptan. W hich of the follow ing parts of the central nervous system was m ost likely a prim ary site of therapeutic action of the drug in the patient’s disease? A. Nucleus accum bens B. Trigem inal nerve C. Vestibular nuclei D. Chem oreceptor trigger zone E. Olfactory nerve F. Nucleus caudalis 2. A 2-year-old boy was brought to the em ergency department with high body tem perature (104° F, 40°C), ushed and dry skin, and w idely dilated pupils unresponsive to light. He was agitated and underwent a brief tonic-clonic convulsion. His m other stated that the boy apparently swallowed several tablets of her allergy m edication. W hich of the follow ing drugs m ost likely caused the patient’s poisoning? A. Ibuprofen B. Diphenhydram ine C. Phenylephrine D. Celecoxib E. Loratadine F. Atropine