20. A patient with peptic ulcer disease is prescribed a proton pump inhibitor (PPI, e.g., omeprazole). Technically, what is the mechanism by which PPIs reduce gastric acid secretion?
A.
Blocking histamine H2 receptors.
B.
Neutralizing stomach acid.
C.
Irreversibly inhibiting the H+/K+-ATPase pump in parietal cells.
✓
D.
Coating the stomach lining.
📖 Additional Information
Blocking histamine H2 receptors.
Neutralizing stomach acid.
Irreversibly inhibiting the H+/K+-ATPase pump in parietal cells.
