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Questions and Answers
What is the primary effect of sympathetic stimulation on blood vessels?
What is the primary effect of sympathetic stimulation on blood vessels?
- Vasodilation via beta adrenergic receptors
- Vasoconstriction via alpha adrenergic receptors (correct)
- Vasodilation via alpha adrenergic receptors
- Vasoconstriction via beta adrenergic receptors
What is the subsequent effect of sympathetic stimulation on blood vessels after vasoconstriction?
What is the subsequent effect of sympathetic stimulation on blood vessels after vasoconstriction?
- Vasodilation due to alpha receptors effect
- Further vasoconstriction due to beta receptors effect
- No effect on blood vessels
- Vasodilation due to beta receptors effect (correct)
What contributes to the subsequent vasodilatation after sympathetic stimulation?
What contributes to the subsequent vasodilatation after sympathetic stimulation?
- Activation of parasympathetic nervous system
- Accumulation of metabolites (correct)
- Decrease in heart rate
- Increased release of adrenaline
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