Which laboratory value should the nurse examine when evaluating uncompensated respiratory alkalosis?
a. PaO2
b. Anion gap
c. PaCO2
d. HCO3–
ANS: C
Uncompensated respiratory imbalances are seen in the PaCO2 levels. PaO2 indicates oxygen sta-tus. Anion gap is used for metabolic acidosis. HCO3– is used to evaluate compensation for respir-atory imbalances or uncompensated metabolic imbalances.
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