A 57-year-old woman presents to the emergency department with crushing chest pain. She reports having a similar episode 2 weeks ago while shoveling snow, but the pain was much less and it went away as soon as she stopped shoveling. An ECG reveals ST segment elevation, and the doctor administers a fibrinolytic drug. Her symptoms resolve, but later she begins to vomit up blood. Which would be an appropriate medication to give now?

A 57-year-old woman presents to the emergency department with crushing chest pain. She reports having a similar episode 2 weeks ago while shoveling snow, but the pain was much less and it went away as soon as she stopped shoveling. An ECG reveals ST segment elevation, and the doctor administers a fibrinolytic drug. Her symptoms resolve, but later she begins to vomit up blood. Which would be an appropriate medication to give now?

A 22-year-old sexually active male presents to his primary care physician with painful urination and urethral discharge. Gram stain of discharge fluid shows gram-negative diplococci. He is given ceftriaxone for gonococcal infection. What additional medication, if any, should he be given?

A 67-year-old woman presents to her primary care physician with a viral infection. She has a 45 pack-year history of smoking, and past medical history includes COPD. The virus causing her infection has a specific M2 ion channel that can be blocked by certain antivirals. With which virus is she infected?

A 65-year-old man who has already suffered one myocardial infarction because of extensive atherosclerosis is interested in modifying his risk for a second cardiac event. In terms of lipoproteins, which of the following should be modified to reduce the atherogenicity potential?

A 32-year-old G2P1 woman in her third trimester presents to the ambulatory care clinic with dysuria and urgency. Urine is nitrite positive and leukocyte esterase positive. A drug commonly used to treat urinary tract infections is trimethoprim-sulfamethoxazole, but the physician is reluctant to use it. What risk is the physician worried about?