You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Atropine causes: and explain in detail?
Ans: b (Tachycardia) Ref: KDT, 6th ed, p. 107The most prominent action of atropine on heart is tachycardia due to the blockade of M receptors on the S A node through which vagal tone decreases heart rate.Other effects of atropine are:CNS: Overall stimulant action,rise in body temperature due to action on hypothalamusCVS: Tachycardia, no marked effect on BPGIT: Decreases intestinal motility by GI smooth muscle relaxationRESP: Bronchodilatation and reduced airway resistanceURINARY: Relaxes bladder and causes urinary retentionEYE: Local anesthetic action on cornea. Mydriasis, Cycloplegia, Abolition of light refelexGLANDS: Decreases lacrimation, Sweating, Salivation by M blockade