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
Glycopyrrolate is beer than atropine because – 
Select and explain. 
A. It crosses blood brain barrier, B. Not crosses blood brain barrier, C. More sedation, D. Antisialague
B: Not crosses blood brain barrier
Answer: B: Not crosses blood brain barrier 
Explanation: Glycopyrolate is the preferred anticholinergic over atropine and scopolamine because it does not crosses the blood-brain barrier so devoid of central side effects.