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: Forensic Medicine
Ramesh presented with bronchodilatation, increased temperature, constipation and tachycardia. Probable diagnosis is poisoning with: AIIMS 10 
Select and explain. 
A. Mushroom, B. Atropine, C. Arsenic, D. Organophosphorus
B: Atropine
Answer: B: Atropine 
Explanation: Ans. Atropine