A 45-year-old woman complains of intractable hiccups. She has no prior medical or surgical history. Physical examination and direct laryngoscopy fails to reveal any anatomic defects. What is the most appropriate treatment for this patient?

A 45-year-old woman complains of intractable hiccups. She has no prior medical or surgical history. Physical examination and direct laryngoscopy fails to reveal any anatomic defects. What is the most appropriate treatment for this patient?

A 63-year-old woman is hospitalized in the intensive care unit with overwhelming sepsis. She is on multiple intravenous medications and is now begun on imipenem/cilastatin. The treating physician must be concerned about which of the following side effects of this therapy?

A 42-year-old man with HIV disease is hospitalized for refractory fungemia. He has begun on a course of caspofungin. After administration of the first intravenous dose, the patient develops flushing and sweats. What is the most likely mechanism of action for this finding?

A 43-year-old man with a history of peptic ulcer disease has developed hypersensitivity to H₂ blockers. He now complains of worsening of his dyspepsia. Physical examination reveals mild tenderness on the midepigastric region. If misoprostol is prescribed to this patient, which of the following mechanisms of action would be most plausible for this agent?

A 69-year-old man with a history of squamous cell carcinoma of the larynx underwent treatment with surgical resection and postoperative radiation therapy. He currently has significant xerostomia. Which of the following would be the best course of treatment for this patient?