A: Cholagogues are substances that cause cont | vedclass

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(A) Cholagogues are substances that promote the flow of bile into the duodenum.They stimulate the contraction of the gall bladder and the relaxation o

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Assertion and Reason both are correct and Reason is the correct explanation of Assertion.

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(A) Cholagogues are substances that promote the flow of bile into the duodenum.They stimulate the contraction of the gall bladder and the relaxation of the sphincter of Oddi.This process is mediated by the hormone Cholecystokinin-Pancreozymin $(CCK-PZ)$,which is released from the mucosal cells of the duodenum in response to the presence of fats and proteins.Therefore,the release of $CCK-PZ$ is the mechanism by which cholagogues induce gall bladder contraction.Thus,both the Assertion and the Reason are correct,and the Reason is the correct explanation of the Assertion.

$A$: Cholagogues are substances that cause contraction of the gall bladder.
$R$: These substances cause the release of $CCK-PZ$ from the duodenum.

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$A$: Cholagogues are substances that cause contraction of the gall bladder.$R$: These substances cause the release of $CCK-PZ$ from the duodenum.