Most pre-analytical ABG errors can be avoided by ensuring that ...

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Most pre-analytical ABG errors can be avoided by ensuring that the sample is which of the fol-lowing? 1. Properly anticoagulated. 2. Obtained anaerobically. 3. Analyzed within 15 to 30 min.
 
  a. 1 and 2 only
  b. 1 and 3 only
  c. 2 and 3 only
  d. 1, 2, and 3

Question 2

Which of the following indicates venous admixture during arterial puncture? 1. Need to use syringe suction. 2. Dark-colored blood. 3. Small sample volumes.
 
  a. 1 and 2 only
  b. 1 and 3 only
  c. 2 and 3 only
  d. 1, 2, and 3

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Answer to Question 1

ANS: D
Clinicians can avoid most pre-analytical errors by ensuring that the sample is obtained anaerobi-cally, is properly anticoagulated (with immediate expulsion of air bubbles), and is analyzed with-in 15 min.

Answer to Question 2

ANS: B
Small sample volumes or the need to apply syringe suction also may indicate that venous blood has been obtained.

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TYSM

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