Which of the following human parasympathetic functions is not under the control of cranial nerve?

Constriction of pupil

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Bladder contraction

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Increase of salivation

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Gall bladder stimulation

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Solution

The correct option is B Bladder contraction
Parasympathetic stimulation causes: slowing down of the heartbeat; lowering of blood pressure; constriction of the pupils; increased blood flow to the skin and viscera; salivation increase; peristalsis of the GI tract.

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