Endocrine Pharmacology USMLE Step 1 Practice Question
A 58-year-old woman with rheumatoid arthritis treated with daily oral glucocorticoids for 9 months presents with proximal muscle weakness, thin fragile skin, and easy bruising. Vital signs show BP 158/92 mmHg, HR 88/min, RR 16/min, temp 37°C. Laboratory studies reveal fasting glucose 186 mg/dL and serum potassium 3.2 mEq/L. Imaging demonstrates acute vertebral compression fractures. She denies recent infections. Which medication is most likely responsible for these findings?
Answer choices
- ACinacalcet
- BFinasteride
- CLevothyroxine
- DClomiphene
- EHydrocortisoneCorrect answer
- FDexamethasone
See the full explanation
Get the correct-answer rationale, why each distractor is wrong, the underlying mechanism, and high-yield associations — plus adaptive practice that targets your weak areas — with a free MedBoardPRO account.