Exam questionKROK 1Medicine ยท 2019
A patient with peptic ulcer disease was prescribed famotidine. As a result his gastric juice acidity significantly decreased. What is the mechanism of action of this drug?
Answer options
- Muscarinic M1 receptor blockade
- Inhibition of H+, K+-ATPase activity
- Histamine H1 receptor blockade
- Blockade of histamine receptors in the sympathetic ganglia
- Histamine H2 receptor blockade
Correct answer
Histamine H2 receptor blockade
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