Metabolism USMLE Step 1 Practice Question
A 58-year-old man with type 2 diabetes presents with anxiety, diaphoresis, and intense hunger 2 hours after taking glyburide. Vital signs show BP 118/76, HR 108, RR 16, temp 37.2°C, SpO2 98%. He consumes a glucose-containing health food bar. Laboratory testing reveals serum glucose of 42 mg/dL with normal C-peptide levels. He denies recent alcohol use. Which of the following is most likely required to initiate energy production from the ingested glucose?
Answer choices
- APhosphofructokinase
- BHexokinaseCorrect answer
- CPyruvate kinase
- DPhosphoglucose isomerase
- EAldolase
- FGlucose-6-phosphatase
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