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13532 Pharmacology

Despite their sho half lives(2hrs) proton pump inhibitors cause a prolonged suppresion of acid secretiin(upto 48hr) because:

AThey are prodrugs and undergo activation gradually
BThey exit from the palsma and enter acid secretory canaliculi and stay there blocking the secretion of acid for a long time
CThey irreversibly inhibit the proton pump molecule and hence,acid secretion requires synthesis of new proton pumps
DThey are available as enteric coated capsules,from which drug is gradually released
Pharmacology
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