<prompt> Which of the following drug possess maximum action on nicotinic receptors?BethanecholCarbacholPilocarpineMethacholine  <response>: Drugs Acts on Action Indication Pilocarpine M3, Pupil Miosis Glaucoma Bethanechol M3, Bladder Increase outflow Atonic bladder Carbachol Nicotinic , muscarinic Methacholine M2 Cardiac suppression Tachycardia, Arrhythmias 