Author Question: When analyzing an ABG sample from a patient with acute respiratory distress syndrome and re-fractory ... (Read 31 times)

maegan_martin · **on:** Jul 16, 2018

When analyzing an ABG sample from a patient with acute respiratory distress syndrome and re-fractory hypoxemia, you notice a PaO2 of 141 mm Hg and a PaCO2 of 14 mm Hg. Which of the following analytic errors should you suspect?

a. Excessive time since sample collection
b. Exposure of the blood sample to air
c. Excessive heparin in the sample
d. Sample admixture with venous blood

Question 2

Analysis of an arterial blood sample taken from a healthy athlete reveals a pH of 7.36, a PCO2 of 45 mm Hg, and a PO2 of 43 mm Hg. Which of the following analytic errors should you suspect?

a. Excessive time since sample collection
b. Exposure of the blood sample to air
c. Excessive heparin in the sample
d. Sample admixture with venous blood