Which of the following are important blood tests to perform on a victim of a fire? 1. Na+ 2. PaO2 3. O2Hb 4. HbCO 5. Glucose

a. 1 and 2 c. 2, 3, and 4
b. 3 and 5 d. 1, 3, and 4


ANS: C
Patients who have been exposed to fires have a high risk of developing CO poisoning. CO will compete with oxygen for hemoglobin. Therefore, measurements of HbCO, O2Hb, and PaO2 are important for these patients.

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