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Author Question: Where are the central centers responsible for regulating the cardiovascular system located? a. ... (Read 57 times)

jeatrice

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on: Jul 16, 2018
Where are the central centers responsible for regulating the cardiovascular system located?
 
  a. Aortic bodies
  b. Brainstem
  c. Carotid arteries
  d. Cerebral hemispheres

Question 2

Changes in the rate of cardiac contractions are affected primarily by changes in which of the fol-lowing?
 
  a. Sympathetic or parasympathetic tone
  b. Ventricular afterload
  c. Ventricular contractility
  d. Ventricular preload


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dantucker

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
Central control of cardiovascular function occurs via interaction between the brainstem and se-lected peripheral receptors.

Answer to Question 2

ANS: A
Those factors affecting heart rate are mainly of central origin (i.e., neural or hormonal).


jeatrice

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Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

scottmt

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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