PHYSIOLOGY
CENTRAL NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is not a response of the sympathetic nervous system?
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Dilation of the pupils
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Elevation of the heart rate
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Increased blood flow to skeletal muscle
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Increased activity of the digestive system
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Explanation:
Detailed explanation-1: -The secretory elements of the major salivary glands are supplied with parasympathetic (cholinergic) nerve fibres. Sympathetic stimulation reduces the flow of saliva. So, the correct answer is option D.
Detailed explanation-2: -Its effects include increasing your heart rate and breathing ability, improving your eyesight and slowing down processes like digestion.
Detailed explanation-3: -eg, the sympathetic nervous system can accelerate heart rate, widen bronchial passages, decrease motility (movement) of the large intestine, constrict blood vessels, cause pupil dilation, activate goose bumps, start sweating and raise blood pressure.
There is 1 question to complete.