NCLEX RN Practice Question # 699
NCLEX Examination
Practice Question # 699.
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1. Question
The nurse reviews the arterial blood gas results of an assigned client and notes that the laboratory report indicates a pH of 7.30, PaCO2 of 58 mm Hg, PaO2 of 80 mm Hg, and HCO3 of 27 mEq/L (27 mmol/L). The nurse interprets that the client has which acid–base disturbance?
CorrectAnswer: Option 3 is the correct answer.
Rationale: The normal pH is 7.35 to 7.45. Normal PaCO2 is 35 to 45 mm Hg. In respiratory acidosis, the pH is low and PaCO2 is elevated. Options 1, 2, and 4 are incorrect interpretations of the values identified in the question.
Test-Taking Strategy: Focus on the subject, interpretation of arterial blood gas levels. Remember that in a respiratory imbalance you will find an opposite response between the pH and PaCO2. Also, remember that the pH is low in an acidotic condition. Recalling this information will allow you to eliminate each of the incorrect options.IncorrectAnswer: Option 3 is the correct answer.
Rationale: The normal pH is 7.35 to 7.45. Normal PaCO2 is 35 to 45 mm Hg. In respiratory acidosis, the pH is low and PaCO2 is elevated. Options 1, 2, and 4 are incorrect interpretations of the values identified in the question.
Test-Taking Strategy: Focus on the subject, interpretation of arterial blood gas levels. Remember that in a respiratory imbalance you will find an opposite response between the pH and PaCO2. Also, remember that the pH is low in an acidotic condition. Recalling this information will allow you to eliminate each of the incorrect options.
