A 69-year-old man with a history of hypertension on a thiazide diuretic once daily is planning to have hip replacement. He sees the anesthesiologist preoperatively and is found to have a serum potassium of 2.9 mEq/L on routine laboratory studies. His blood pressure is 110/86 mm Hg. What is the best course of action for this patient at this time?

A 69-year-old man with a history of hypertension on a thiazide diuretic once daily is planning to have hip replacement. He sees the anesthesiologist preoperatively and is found to have a serum potassium of 2.9 mEq/L on routine laboratory studies. His blood pressure is 110/86 mm Hg. What is the best course of action for this patient at this time?

A 51-year-old man with systemic candidemia is hospitalized in the intensive care unit. He has failed treatment with outpatient oral medications. He has begun on intravenous amphotericin. Approximately 1 h after administration of amphotericin, the patient develops fever and chills. What is the most appropriate course of action to take?

A 57-year-old man who has chronic leukemia with brain metastasis has begun on high-dose intrathecal cytarabine. The treating physician must be aware of which of the following significant adverse effects?

A 53-year-old postmenopausal woman presents with urinary urge incontinence. Medical history is significant for hypertension, which is controlled with losartan. She is not a surgical candidate so pharmacological therapy is chosen to treat her condition, and she begins treatment with solifenacin. Which of the following side effects is most likely to occur in this patient?

A 45-year-old man who is obese complains of postprandial epigastric pain. The pain does not appear after every meal. He has noticed the pain especially after eating spicy foods. He is not currently taking any medications. You suspect gastroesophageal reflux disease (GERD) and want to try a drug that will lower the amount of acid in his stomach. Which of the following drugs chemically elevates the pH?