A 24-year-old man complains of recurring episodes of bloody diarrhea and abdominal pain. A flexible sigmoidoscopy reveals pseudopolyps and erythematous, friable mucosa. One of the drugs given to this patient is diphenoxylate. How could diphenoxylate help this patient?

A 24-year-old man complains of recurring episodes of bloody diarrhea and abdominal pain. A flexible sigmoidoscopy reveals pseudopolyps and erythematous, friable mucosa. One of the drugs given to this patient is diphenoxylate. How could diphenoxylate help this patient?

A 37-year-old man with a history of inguinal hernia undergoes elective surgical repair. The anesthesiologist is concerned about potential adverse effects of the inhalational agent chosen—halothane. The initial symptom of halothane's adverse reaction is which of the following?

A 54-year-old woman with diabetes presents to the clinic for follow-up. On her last two visits, her blood pressure was elevated. She measured her blood pressure at home daily and it was elevated. The physician decides to start her on enalapril. She returns in 1 week with a persistent cough. What causes the cough associated with enalapril?

A 26-year-old man presents to an urgent care clinic with a dry cough for the past week. The cough was associated with a fever and chills for 2 days, but he has since been afebrile. He has no other symptoms. What opioid is most appropriate to treat this patient’s cough?

A 59-year-old man with a history of recurrent bilateral kidney stones is placed on a medication to decrease calcium excretion. Unfortunately, 3 months after beginning this medication, he develops gout in his right great toe. The most likely explanation of these findings relates to which of the following medications?