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: Anaesthesia
Use of atropine in pre-anaesthetic medication has all of the following effects except: March 2012 
Select and explain. 
A. Prevent hypotension, B. Bronchoconstriction, C. Prevent bradycardia, D. Decrease secretion
B: Bronchoconstriction
Answer: B: Bronchoconstriction 
Explanation: Ans: B i.e. Bronchoconstriction The main aim of using anticholinergics (atropine) as preanaesthetic medication is to prevent vagal bradycardia and hypotension, and prophylaxis of laryngospasm (which is precipitated by respiratory secretions)