A blood gas analyzer measures which of the following? 1. HCO3– 2. PCO2 3. PO2 4. pH

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

ANS: B
The primary parameters of pH, PCO2, and PO2 in a blood sample are measured with a blood gas analyzer.

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