KROK 1 2020 – Question 146 · KROK (Medicine) · Physiology
A test animal receives electrical impulses that irritate the sympathetic nerve that innervates blood vessels of the skin. What reaction will it cause in the blood vessels?
- A. Arterial dilation
- B. No reaction
- C. Arterial and venous constriction
- D. Venous dilation
- E. Arterial and venous dilation
Hint
Think about which transmitter sympathetic fibers release onto skin vessels and what that transmitter does to vascular smooth muscle in resistance and capacitance vessels alike.
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