Because of an extremely low PO2, you suspect that an arterial ...

[cdr_15]

Because of an extremely low PO2, you suspect that an arterial blood sample taken from a pa-tient's brachial artery might have been contaminated with venous blood. Which of the following might help to confirm your suspicion?
 
  a. Call the laboratory resources/staff to get the latest chemistry report.
  b. Inspect the sample for color and con-sistency.
  c. Cross-check the sample with an SpO2 reading.
  d. Measure the sample's actual hemoglobin saturation.

Question 2

A PaO2 below what value would be considered moderate hypoxemia?
 
  a. 75 mm Hg
  b. 65 mm Hg
  c. 55 mm Hg
  d. Depends on the FiO2

[akpaschal]

Answer to Question 1

ANS: C

Answer to Question 2

ANS: C
A PaO2 of less than 40 mm Hg is called severe hypoxemia, a PaO2 of 40 to 59 mm Hg is called moderate hypoxemia, and a PaO2 of 60 mm Hg to the predicted normal is called mild hypox-emia.

[cdr_15]

Excellent

[abro1885]

TYSM