Ondansetron acts by:
Correct Answer: Action on CTZ
Description: Ondansetron blocks the depolarizing action of serotonin through 5-HT3 receptors on vagal afferents in the gut as well as in NTS and CTZ. It donot block dopamine receptors or ACH receptors.( ref KDT 6/e p646)
Category:
Pharmacology
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