A 59-year-old man with long-standing hypertension presents to his primary care physician for a follow-up visit and guidance. His blood pressure is 160 / 80~mm \Hg. His current medications include a calcium channel blocker. He is now switched to losartan. Which of the following properties of this medication can limit its efficacy for this patient?

A 59-year-old man with long-standing hypertension presents to his primary care physician for a follow-up visit and guidance. His blood pressure is 160 / 80~mm \Hg. His current medications include a calcium channel blocker. He is now switched to losartan. Which of the following properties of this medication can limit its efficacy for this patient?

A 56-year-old man with a known history of hyperlipidemia and coronary artery disease on simvastatin develops chest pain while golfing (usually 4d\wk ). His weight is 75~kg. He is brought to the emergency department, is found to be asystolic, and dies. His most recent serum cholesterol level was in the normal range. Which of the following statements is true?

A 45-year-old man with insulin-dependent diabetes mellitus on insulin injection decides that he wants to 'drink' the insulin instead of taking the injection form. He is tired of the pain he gets during the injections. Which of the following is the most likely sequelae of this action?

A 42-year-old man with a history of diabetes mellitus on metformin is going to have a CT scan of the abdomen with contrast to evaluate his chronic right lower quadrant pain. Which of the following statements about his metformin and this radiographic study is correct?

A 65-year-old woman with postmenopausal atrophy and hot flashes is prescribed with estrogen therapy by her primary care physician. She has a family history of endometrial cancer and is concerned about her risk for this condition. Which of the following statements is true?