#march2020usmle2ck
A 23-year-old man with a long history of duodenal ulcer has been treated with cimetidine (Tagamet) for 6 months.
What is the mechanism of action of this drug?
A-Adds a protective membrane to gastric mucosa
B-Blocks H2 receptors
C-Stimulates H2 receptors
D-Inhibits H+,K+-ATPase
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System:
Hematology & Oncology