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Actual exam question from Test Prep's PCAT
Question #: 1
Topic #: 1
[All PCAT Questions]

Which of the following would NOT occur during sympathetic stimulation?

  • A. secretion of glucagon
  • B. dilation of bronchioles
  • C. dilation of intestinal blood vessels
  • D. dilation of pupils
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Suggested Answer: C 🗳️
The blood flow to visceral organs decreases during sympathetic stimulation, but increases under parasympathetic stimulation. One function of the sympathetic nervous system is to increase blood flow to organs in demand of air or nutrients. During the fight-or-flight response, vasodilation works to move blood away from the digestive system and towards the muscles.
by xilosapo at April 4, 2025, 5:25 p.m.

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