A nurse is providing care for a client with emphysema, The nurse reviews the results of the arterial blood gases and determines the client is experiencing respiratory acidosis. The nurse would expect to find which of the following on the laboratory results?
pH 7.35, pCO2 42 mmHg
pH 7.50, pCO2 28 mmHg
pH 7.40, pCO2 43mmHg
pH 7.25. pCO2 55 mmHg
The Correct Answer is D
Rationale:
A. A pH of 7.35 and pCO₂ of 42 mmHg are both within normal limits, indicating no acidosis.
B. A pH of 7.50 and pCO₂ of 28 mmHg indicate respiratory alkalosis, not acidosis.
C. A pH of 7.40 and pCO₂ of 43 mmHg are normal values, not consistent with acidosis.
D. A pH of 7.25 is acidic, and a pCO₂ of 55 mmHg is elevated, indicating respiratory acidosis, which is expected in a client with emphysema due to CO₂ retention.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. A pH of 7.35 and pCO₂ of 42 mmHg are both within normal limits, indicating no acidosis.
B. A pH of 7.50 and pCO₂ of 28 mmHg indicate respiratory alkalosis, not acidosis.
C. A pH of 7.40 and pCO₂ of 43 mmHg are normal values, not consistent with acidosis.
D. A pH of 7.25 is acidic, and a pCO₂ of 55 mmHg is elevated, indicating respiratory acidosis, which is expected in a client with emphysema due to CO₂ retention.
Correct Answer is ["20"]
Explanation
Rationale:
To calculate the volume to administer, use the formula:
(Desired dose ÷ Dose on hand) × Volume on hand = Volume to administer
(500 mg ÷ 250 mg) × 10 mL = 2 × 10 mL = 20 mL
The nurse will administer 20 mL per dose.
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