For chemotherapy induced vomiting, 5HT3 antagonist having maximum potency is:: (A) Ondansetron, (B) Granisetron, (C) Dolasetron, (D) Palonosetron
Answer is D. it is the longest acting and highest affinity towards 5HT3 receptor used in chemotherapy induced vomiting ESSENTIAL OF MEDICAL PHARMACOLOGY SEVENTH EDITION KD TRIPATHI PG NO .669