EMBRYOLOGY
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Sympathetic nervous system stimulation causes:
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decrease blood glucose
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decrease GI periastalsis
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increase GI periastalsis
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decrease heart rate
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Explanation:
Detailed explanation-1: -Sympathetic Nervous System stimulation RESULTS IN: (a) Decreased GI peristalsis, decreased blood glucose and decreased heart rate and blood pressure. This is not correct. There is decreased GI peristalsis, but blood glucose, heart rate and blood pressure will rise.
Detailed explanation-2: -The parasympathetic nervous system (PNS) stimulates peristalsis via the myenteric plexus.
Detailed explanation-3: -In the heart (beta-1, beta-2), sympathetic activation causes an increased heart rate, the force of contraction, and rate of conduction, allowing for increased cardiac output to supply the body with oxygenated blood.
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