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Author Question: Which of the following statements is true regarding the Haldane effect? a. At high SaO2 levels, ... (Read 15 times)

imowrer

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on: Jul 16, 2018
Which of the following statements is true regarding the Haldane effect?
 
  a. At high SaO2 levels, carbon dioxide more readily forms carbamino compounds.
  b. At high SaO2 levels, the capacity of blood to hold carbon dioxide decreases.
  c. At high SaO2 levels, the capacity of blood to hold carbon dioxide increases.
  d. At low SaO2 levels, the capacity of blood to hold carbon dioxide decreases.

Question 2

Which of the following equations best describes O2 delivery to the tissues?
 
  a. Arterial O2 content  cardiac output
  b. Arterial O2 content  cardiac output
  c. Cardiac output + arterial O2 content
  d. Cardiac output  vascular resistance


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Jayson

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

ANS: B
At point a, the high SaO2 decreases the blood's capacity to hold carbon dioxide, thus helping unload this gas at the lungs.

Answer to Question 2

ANS: B
Oxygen delivery (DO2) to the tissues is a function of arterial oxygen content (CaO2) times cardi-ac output (t):
O2 = CaO2  t


imowrer

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Reply 2 on: Jul 16, 2018
Excellent

xiaomengxian

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

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