Sympathetic Nervous System Effects Quiz
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Questions and Answers

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?

  • 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?

  • Activation of parasympathetic nervous system
  • Accumulation of metabolites (correct)
  • Decrease in heart rate
  • Increased release of adrenaline

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