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A 68-year-old patient with acute decompensated heart failure presents with dyspnea, bilateral lower extremity edema, and jugular venous distension. The patient has been taking oral furosemide 40 mg twice daily at home. Intravenous furosemide is initiated. Which mechanism best explains why loop diuretics produce greater natriuresis than thiazide diuretics in this clinical setting?

A 52-year-old patient with moderate vasomotor symptoms is considering hormone therapy. She has an intact uterus and no significant cardiovascular or thromboembolic risk. Which regimen is most appropriate?

A 70-year-old patient with newly diagnosed nonvalvular atrial fibrillation is started on apixaban for stroke prevention. Which of the following best describes the mechanism of action of this medication?

A 66-year-old patient with chronic stable angina continues to have exertional chest pain despite maximally tolerated doses of a beta-blocker and long-acting nitrate therapy. The patient’s blood pressure is 98/60 mmHg and heart rate is 58 bpm. Which of the following is the most appropriate next medication to improve anginal symptoms without further lowering heart rate or blood pressure?

A patient with uncontrolled hypertension is started on hydralazine. The provider also prescribes a beta blocker. What is the primary reason for combining these medications?

A 58-year-old male with heart failure is started on spironolactone. At a follow-up visit, he reports breast tenderness and enlargement. Which pharmacologic property of spironolactone most directly explains this adverse effect?

A 32-year-old woman with a BMI of 35 presents requesting contraception. She reports irregular menstrual cycles and is concerned that her weight may affect the safety and effectiveness of hormonal contraceptives. She desires a highly reliable method of pregnancy prevention and prefers to avoid systemic hormones if possible. Which contraceptive option is most appropriate?

A 55-year-old patient with newly diagnosed hypertension is started on lisinopril. Which physiologic change most directly accounts for this medication’s blood pressure–lowering effect?

A 68-year-old patient with symptomatic HFrEF is started on sacubitril/valsartan (Entresto). Several weeks later, the patient demonstrates improved symptoms, decreased peripheral edema, and lower blood pressure. Which of the following best explains the primary mechanism responsible for these clinical improvements?

Which medication class can mask the early warning signs of insulin-induced hypoglycemia and impair the body’s ability to recover from low glucose?