Repeated USMLE Questions Step 1 Review- 125- Pharmacology
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