Carbachol acts as: (A) Agonist for M2 receptors, (B) Agonist for M3 receptors, (C) Agonist for M1 receptors, (D) Antagonist for M3 receptors
Answer is B. M2 agonist: MethacholineM3 agonists: Carbachol, bethanecholRef: Katzung 12th Ed.Pg 100