Q:

Which of the following statements about the cardiovascular control centre of the brain is FALSE?

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Which of the following statements about the cardiovascular control centre of the brain is FALSE?


  1. increased impulses along parasympathetic fibres causes vasoconstriction.
  2. increased output along the sympathetic fibres INcrease heart rate.
  3. output along of the parasympathetic fibres DEcreases heart rate.
  4. decreased output along the sympathetic fibres causes dilation of arterioles.

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A: The parasympathetic system does not have a role in vasoconstriction or vasodilation. 

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