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Question

Spot out the parasympathetic effect from the following.
  1. Dialating pupil
  2. Increasing blood pressure
  3. Secretion of digestive juice
  4. Increasing cardiac output

A
Dialating pupil
B
Secretion of digestive juice
C
Increasing blood pressure
D
Increasing cardiac output
Solution
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Parasympathetic nervous system stimulates secretion of saliva, gastric juice, pancreatic juice, bile secretion and secretion of intestinal juice. It lowers down the blood pressure by dilating arteries, slows down the cardiac output and constricts the pupil. Thus, the correct answer is option C.

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