ATI NCLEX-RN Practice Questions Practice Question
A 52-year-old female client is admitted to the hospital in acute renal failure. She has been on hemodialysis for the past 2 years. Stat arterial blood gases are drawn on the client yielding the following results: pH 7.30, PCO2 51 mm Hg, HCO3 18 mEq/L, PaO2 84 mm Hg. The nurse would interpret these results as:
Correct Answer: D
Rationale: Compensated metabolic alkalosis would be reflected by the following: pH within normal limit (7.35-7.45), PCO2 >45 mm Hg, HCO3 >26 mEq/L. Respiratory acidosis would be reflected by the following: pH <7.35, PCO2 >45 mm Hg, HCO3 within normal limits (22-26 mEq/L). Partially compensated metabolic alkalosis would be reflected by the following: pH >7.45, PCO2 >45 mm Hg, HCO3 >26 mEq/L. Combined respiratory and metabolic acidosis would be reflected by the following: pH <7.35, PCO2 >45 mm Hg, HCO3 <22 mEq/L.
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