Central control of vasomotor tone has its greatest impact on which of the following vessels? 1. Arterioles (resistance vessels) 2. Veins (capacitance vessels) 3. Microcirculation (exchange vessels)
a. 2 and 3 only
b. 1 and 2 only
c. 3 only
d. 1, 2, and 3
ANS: B
Central control mainly affects the high-resistance arterioles and capacitance veins.
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