When analyzing a blood gas control sample, you notice that the ...

[Ebrown]

When analyzing a blood gas control sample, you notice that the result falls outside the 2 SD range. How could you verify that this was a random error (error of imprecision)?
 
  1. Repeat the analysis on a different analyzer.
  2. Compare the control to an actual patient sample.
  3. Rerun the control sample a second time.
  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 factors contributing to imprecision (random) errors during blood gas analysis?
 
  a. Sample contamination
  b. Contaminated buffers
  c. Statistical probability
  d. Sample mishandling

[brittiany.barnes]

Answer to Question 1

ANS: B
Table 19-3 outlines the major factors causing these two types of error and suggests some common corrective actions.

Answer to Question 2

ANS: B
Table 19-3 outlines the major factors causing these two types of error and suggests some common corrective actions.

[Ebrown]

Wow, this really help

[Joy Chen]

Thanks for the timely response, appreciate it