Multiple Choice Questions

The outermost layer of a blood vessel is the tunica intima. T/F
  • True
  • False
A precapillary sphincter is a cuff of smooth muscle that regulates the flow of blood into the capillaries. T/F
  • True
  • False
Vasodilation is a widening of the lumen due to smooth muscle contraction.T/F
  • True
  • False
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Multiple Choice Questions
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