Repeated USMLE Questions

  Q- Which of the following sympathomimetic drugs is the most effective in treating chronic orthostatic hypotension? A- Ephedrine B- Epinephrine C- Norepinephrine D- Salmeterol   Q- Which of the following is the mechanism of action of methotrexate? A- Alkylates DNA B- Blocks topoisomerase II C- Inhibits dihydrofolate reductase D- Inhibits thymidylate synthase   Q- … Read more

  Q- Which of the following medications is an alpha-1 blocker used for benign prostatic hyperplasia (BPH)? A- Finasteride B- Sildenafil C- Spironolactone D- Tamsulosin   Q- Which of the following is a known adverse effect of chronic amiodarone use? A- Gynecomastia B- Hyperkalemia C- Pulmonary fibrosis D- Renal failure   Q- Which of the … Read more

  Q- Which one of the following classes of antihypertensive medications is contraindicated in pregnancy? A- ACE inhibitors B- Alpha-1 blockers C- Beta blockers D- Calcium channel blockers   Q- Which one of the following medications is most likely to cause red man syndrome? A- Daptomycin B- Gentamicin C- Rifampin D- Vancomycin   Q- Which … Read more

  Q- A 24-year-old man is started on isoniazid for latent tuberculosis. He is advised to take a vitamin supplement to prevent a potential side effect. Which of the following supplements is most appropriate? A- Vitamin B1 B- Vitamin B6 C- Vitamin B9 D- Vitamin B12 Q- A 65-year-old man with a history of atrial … Read more

Q- Which of the following beta blockers is appropriate for treating an asthmatic patient? A- Labetalol B- Metoprolol C- Propranolol D- Timolol   Q- Which of the following is the primary mechanism of action of omeprazole? A- Blocks dopamine D2 receptors B- Inhibits H+/K+ ATPase in parietal cells C- Inhibits histamine H1 receptors D- Neutralizes … Read more