GERD and Peptic Ulcer Disease USMLE Step 1 Practice Question
A 29-year-old woman with irritable bowel syndrome presents with noninfectious diarrhea and abdominal cramping. Vital signs: BP 118/76, HR 88, RR 16, Temp 37.2°C, SpO2 98%. She reports stool frequency of 4–5 times daily without blood or mucus. Laboratory studies show normal fecal calprotectin. She takes no medications currently. She requests treatment to reduce stool frequency during an upcoming international trip. Which drug acts as a peripheral opioid receptor agonist in the gut to decrease intestinal motility?
Answer choices
- ABisacodyl
- BAprepitant
- CLoperamideCorrect answer
- DLactulose
- EOndansetron
- FMesalamine
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