Certified Medical Assistant Exam Prep

Category - Medical Assistant

Which of the following drugs is a histamine blocker and reduces levels of gastric acid?
  1. Omeprazole (Prilosec)
  2. Metoclopramide (Reglan)
  3. Cimetidine (Tagamet)
  4. Magnesium Hydroxide (Maalox)
Explanation
Answer: C - Cimetidine is a histamine receptor antagonist which actively reduces levels of gastric HCl. Hence, it is frequently used in the treatment of peptic ulcers.
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