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Author Question: The primary cardiovascular control center is located in the: a. cerebral cortex. b. thalamus. ... (Read 67 times)

j.rubin

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on: Jun 25, 2018
The primary cardiovascular control center is located in the:
 
  a. cerebral cortex.
  b. thalamus.
  c. medulla.
  d. hypothalamus.

Question 2

As stated by the Frank-Starling law, there is a direct relationship between the _____ of the blood in the heart at the end of diastole and the _____ of contraction during the next systole.
 
  a. pressure; duration
  b. volume; force
  c. viscosity; force
  d. viscosity; duration


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duke02

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: C
The primary cardiovascular control center is in the brainstem in the medulla. The cerebral cortex, the thalamus, and hypothalamus are secondary control sites.

Answer to Question 2

ANS: B
The Frank-Starling law of the heart describes the length-tension relationship of ventricular end-diastolic volume (VEDV) (preload) to myocardial contractility (as measured by stroke vol-ume). It does not refer to duration, pressure, or viscosity.


j.rubin

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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