All of these hormones use cAMP as second messenger except:
Correct Answer: Vasopressin
Description: Ans. (D) Vasopressin(Ref: Katzung 11/e p301, Gationg 22/e p41-43)Vasopressin acts via V1 and V2 receptors. V1 receptors use IP3 -DAG-Ca2+ pathway whereas V2 use cAMP as second messenger. All other drugs mentioned in the question act by cAMP pathway only. Thus, all of these use cAMP as second messenger, but if we need to choose one option we can answer vasopressin as it is acting through IP3 -DAG-Ca2+ pathway also.
Category:
Pharmacology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now