This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Atropine is used in organophosphate poisoning because of its 
Select and explain. 
A. Reactivate acetylcholinesterase, B. Compete with acetylcholine release, C. Binds with both nicotinic and muscarinic acetylcholine receptors, D. It is competitive antagonist of acetylcholine
D: It is competitive antagonist of acetylcholine
Answer: D: It is competitive antagonist of acetylcholine 
Explanation: Refer kDT 6/e p 106 atropine acts as antagonist in muscarinic receptors. It has no activity on nicotinic receptors and do not interfere with the release of acetylcholine