The emergency department (ED) nurse is caring for a client with a possible acid–base imbalance. The physician has ordered an arterial blood gas (ABG)
What is one of the most important indications of an acid–base imbalance that is shown in an ABG? A) PaO2
B) PO2
C) Carbonic acid
D) Bicarbonate
D
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Arterial blood gas (ABG) results are the main tool for measuring blood pH, CO2 content (PaCO2), and bicarbonate. An acid–base imbalance may accompany a fluid and electrolyte imbalance. PaO2 and PO2 are not indications of acid–base imbalance. Carbonic acid levels are not shown in an ABG.
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