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Author Question: The Henderson-Hasselbalch equation is used in acid-base analysis to relate which of the follow-ing? ... (Read 78 times)

appyboo

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on: Jul 16, 2018
The Henderson-Hasselbalch equation is used in acid-base analysis to relate which of the follow-ing?
 
  a. pH to PCO2 c. Carbonic acid (H2CO3) to HCO3
  b. pH to bicarbonate (HCO3) d. PO2 to oxygen sat-uration

Question 2

The partial pressure of oxygen in the blood is measured by which electrode?
 
  a. Sanz c. Pauling
  b. Severinghaus d. Clark


meganmoser117

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

ANS: B
A modified version of the Henderson-Hasselbalch equation is used in the PCO2 electrode to relate the pH measured to the PCO2 of the blood. Therefore, the PCO2 is determined as a function of the change in pH of the bicarbonate solution in the PCO2 electrode.

Answer to Question 2

ANS: D
The partial pressure of oxygen in blood is most commonly measured by using the Clark electrode. The Sanz electrode is used to measure pH. The Severinghaus electrode is used to measure PCO2. Pauling is a type of oxygen analyzer.


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