This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
Vagal stimulation causes the following effects except 
Select and explain. 
A. Increase in intestinal secretion, B. Constriction of intestinal musculature, C. Relaxation of bronchial musculature, D. Fall in the blood pressure
C: Relaxation of bronchial musculature
Answer: C: Relaxation of bronchial musculature 
Explanation: Vagal stimulation in hea causes bradycardia leading to fall in bpRef: Ganong&;s review of medical physiology; 23rd edition; pg: 556Parasympathetic supply nerve supply in thorax and upper abdomen is by vagus nerve. And in its stimulation in git, there is increased motility and tone, relaxation of sphincters, stimulation of secretions. In lungs, it causes bronchial muscle contraction. Ref: Ganongs review of medical physiology; 23rd edition ; pg :267 ;table 17-1