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Review Question - QID 213861

H2 Blockers Introduction Mechanism QID: 213861 (M1.OMB.20.4874)
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QID 213861 (Type "213861" in App Search)
A 68-year-old woman with a past medical history of type 2 diabetes, mild chronic obstructive pulmonary disease, atrial fibrillation, and obesity (body mass index 40.2 kg/m^2) presents to her primary care doctor with 6 months of intermittent, substernal, burning chest pain. The pain does not radiate, and she notes that it seems to be worse after large meals or when she is lying down in bed. Physical exam is unremarkable, electrocardiogram shows atrial fibrillation (unchanged from 1 year ago), and echocardiogram shows a left ventricular ejection fraction of 60%. Which of the following medications may alleviate the patient's symptoms by directly blocking the action of enterochromaffin-like (ECL) cells?
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