Atropine pharmacological actions a block M-R: Competitive and Nonselective block Ny-R: in large dose Organ sensitivity: Gland >eye splanchnic smooth muscle cardiovascular system CNSpharmacological actions ◼ block M-R: Competitive and Nonselective block NN-R : in large dose Organ sensitivity: Gland ＞eye ＞ splanchnic smooth muscle ＞cardiovascular system ＞CNS Atropine