This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Drug used for Urinary incontinence in Neurogenic Bladder acts on which cholinergic receptors: 
Select and explain. 
A. M1, B. M2, C. M3, D. M4
C: M3
Answer: C: M3 
Explanation: Ans: C. M3Cholinergic system stimulates detrusor and relaxes the trigone) - Increased micturation (M3 receptor).Selective M3 blockers:Oxybutynin, Darifenacin, Solifenacin, Tolterodine):Blocks M3 receptors in urinary bladder - Used in urinary incontinence.