A 29-year-old man is found to have primary pulmonary hypertension while undergoing a workup for shortness of breath and fatigue. A defect in his BMPR2 gene is discovered. This gene product normally inhibits smooth muscle proliferation. Which of the following drugs would best help this patient?

A 29-year-old man is found to have primary pulmonary hypertension while undergoing a workup for shortness of breath and fatigue. A defect in his BMPR2 gene is discovered. This gene product normally inhibits smooth muscle proliferation. Which of the following drugs would best help this patient?

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?

A 38-year-old woman on oral contraceptives for 18 years thinks that this preparation may prove to be not only beneficial in preventing pregnancy but also beneficial in reduction of cancer risk. Which of the following cancers may show a decreased incidence because of her prolonged use of oral contraceptives?