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Pharmacology Autonomic nervous system 832ad994

All of the following are actions of muscarinic antagonists except

A
Decreases gastric secretion
B
prolongs AV conduction
C
Decreases tracheobronchial secretions
D
Causes contraction of radial muscle of iris
High-Yield Explanation
Ref:KD Tripathi pharmacology 7th edition (page.no: 114,115) Actions of Muscuranic antagonists (atropine) are CNS stimulation CVS: the prominent effect is tachycardia by decreasing the refractory period of the AV node and facilitate AV conduction. Gland; decrease sweat, salivary, tracheobronchial and lacrimatory secretion Smooth muscle: decrease tone and contraction Eye ; mydriasis by contraction of the radial muscle of iris Rise in body temperature

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