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Question

Activation of sympathetic nervous system

A
Decreases the blood pressure.
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B
Causes pupil contraction.
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C
Increases the heart rate.
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D
Causes bronchoconstriction.
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Solution

The correct option is C Increases the heart rate.
Sympathetic nervous system is one of the type of autonomic nervous system. It stimulates the fight-or-flight response of the body. It causes pupil dilation. It increases heart rate and respiration rate. It also increases perspiration and arterial blood pressure. It causes bronchodilation and constriction of blood vessels. It decreases movement of the large intestine.
Thus, the correct answer is option C.

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