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Author Question: Which of the following equations would you use to compute systemic vascular resistance? a. (Mean ... (Read 52 times)

bobypop

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on: Jul 16, 2018
Which of the following equations would you use to compute systemic vascular resistance?
 
  a. (Mean aortic pressure  right atrial pres-sure)  CO
  b. (Mean aortic pressure/right atrial pressure)  CO
  c. (Mean aortic pressure  right atrial pres-sure)  CO
  d. (Right atrial pressure  mean aortic pres-sure)  CO

Question 2

Which vessels in the body act like faucets, controlling the flow of blood into the capillary beds?
 
  a. Arteries
  b. Arterioles
  c. Veins
  d. Venules


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mcarey591

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

ANS: C
SVR = (mean aortic pressure  right atrial pressure)/CO.

Answer to Question 2

ANS: B
Just as faucets control the flow of water into a sink, the smaller arterioles control blood flow into the capillaries. Arterioles provide this control by varying their flow resistance. For this reason, arterioles are often referred to as resistance vessels.


bobypop

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Reply 2 on: Jul 16, 2018
Gracias!

rachel

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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