Endocrine Pharmacology USMLE Step 1 Practice Question
A 60-year-old man with type 2 diabetes mellitus presents with a fasting glucose of 118 mg/dL but postprandial glucose of 320 mg/dL due to irregular meal timing. Vital signs: BP 138/82, HR 88, RR 16, Temp 37°C, SpO2 98%. HbA1c is 7.8%, and fasting C-peptide is 1.8 ng/mL, confirming residual beta-cell function. Physical exam reveals mild truncal obesity with a BMI of 29 kg/m². He denies polyuria or hypoglycemic episodes. His physician prescribes a short-acting insulin secretagogue taken with meals to reduce postprandial glucose excursions. Which drug was most likely prescribed?
Answer choices
- ARepaglinideCorrect answer
- BPioglitazone
- CInsulin glargine
- DMetformin
- EGlyburide
- FSitagliptin
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