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: Physiology
Parasympathetic stimulation causes : 
Select and explain. 
A. Decrease GI secretion, B. Bronchodilation, C. Sweat-secretion, D. Pupillary constriction
D: Pupillary constriction
Answer: D: Pupillary constriction 
Explanation: D i.e. Pupillary constriction