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Author Question: H+ can be determined by the use of which factors? 1. HCO3 2. H2CO3 3. Inorganic phosphorus 4. PaO2 ... (Read 53 times)

theo

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on: Jul 16, 2018
H+ can be determined by the use of which factors? 1. HCO3 2. H2CO3 3. Inorganic phosphorus 4. PaO2
 
  a. 1, 2, and 3 only
  b. 2 and 3 only
  c. 4 only
  d. 1 and 2 only

Question 2

Which buffer system has the greatest capacity?
 
  a. Bicarbonate
  b. Hemoglobin
  c. Phosphates
  d. Plasma proteins


dantucker

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

ANS: D
H+ = (KA  H2CO3)/HCO3
Thus, H+ is determined by the ratio between undissociated acid molecules H2CO3 and base anions HCO3.

Answer to Question 2

ANS: A
Bicarbonate buffers have the greatest buffering capacity because they function in an open sys-tem.


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