All of the following are actions of muscarinic antagonist except
Correct Answer: Prolonged AV conduction
Description: Refer katzung 11e p 113,123 Muscarinic antagonist will produce action opposite of parasympathetic system, that will decrease gastric as well as respiratory secretion Action of acetylcholine through muscarinic receptors is to increase the AV conduction, thus, resulting in bradycardia. Antagonists will thus result in opposite effect that is shoen the AV conduction Acetylcholine muscarinic receptors cause contraction of sphincter pupillae muscle and result in miosis. Muscarinic antagonist will have opposite effect that is mydriasis.
Category:
Pharmacology
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