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Author Question: The goal of selecting a specific oxygen concentration is to try to achieve clinically acceptable ... (Read 46 times)

Lisaclaire

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on: Jul 16, 2018
The goal of selecting a specific oxygen concentration is to try to achieve clinically acceptable ar-terial oxygen tensions within which of the following ranges?
 
  a. 40-55 mm Hg
  b. 50-60 mm Hg
  c. 60-100 mm Hg
  d. 100-120 mm Hg

Question 2

Following successful cardiac resuscitation, a patient being placed on mechanical ventilation should have which of the following fractional inspired oxygen (FIO2) settings?
 
  a. 0.5
  b. 0.6
  c. 0.8
  d. 1.0


chloejackso

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

ANS: C
The goal of selecting a specific fractional inspired oxygen (FIO2) for a patient is to achieve a clin-ically acceptable arterial oxygen tension (e.g., 60-100 mm Hg).

Answer to Question 2

ANS: D
Using a high oxygen concentration following a cardiac arrest can provide a way of restoring normal oxygenation and replacing tissue oxygen storage when oxygen debt and lactic acid ac-cumulations occur, as with this patient.


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