Author Question: Central control of vasomotor tone has its greatest impact on which of the following vessels? 1. ... (Read 29 times)

lunatika

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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

Question 2

Central, or extrinsic, control of the cardiovascular system occurs through the action of which of the following? 1. Autonomic nervous system 2. Circulating humoral agents 3. Local metabolites
 
  a. 1, 2, and 3
  b. 2 and 3 only
  c. 3 only
  d. 1 and 2 only



CharlieArnold

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Answer to Question 1

ANS: B
Central control mainly affects the high-resistance arterioles and capacitance veins.

Answer to Question 2

ANS: D
Central, or extrinsic, control involves both the central nervous system and circulating humoral agents.



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