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Question
Biology
Posted 4 months ago
What effect does inhibition of the sympathetic nervous system have on the tone of most blood vessels?
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Answer from Sia
Posted 4 months ago
Answer
Inhibition of the sympathetic nervous system generally leads to vasodilation, which decreases the tone of most blood vessels.
Solution
a
Sympathetic nervous system role: The sympathetic nervous system is responsible for the fight-or-flight response, which includes the constriction of blood vessels to increase blood pressure and redirect blood flow to essential organs
b
Effect of inhibition: Inhibiting the sympathetic nervous system prevents the release of neurotransmitters like norepinephrine that normally cause vasoconstriction
c
Resulting vasodilation: Without the action of these neurotransmitters, blood vessels relax, leading to vasodilation, which reduces vascular tone and lowers blood pressure
Key Concept
Sympathetic nervous system inhibition and vascular tone
Explanation
Inhibition of the sympathetic nervous system leads to a decrease in the release of vasoconstrictor neurotransmitters, resulting in vasodilation and decreased vascular tone.

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