This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Dry skin seen due to excess dosage of datura is due to 
Select and explain. 
A. Vasodilatation, B. Absence of sweating, C. Central action, D. Change in BMR
B: Absence of sweating
Answer: B: Absence of sweating 
Explanation: One of the anticholinergic effects is dry skin due to absence of sweating due to blockade of m3 receptors on sweat glands Datura is nothing but atropine-anticholinergic drug Ref: KDT 6th ed pg 114-116