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A nurse is reviewing the ABG results of a client who has COPD. The results include a pH of 7.3 (7.35 to 7.45), PaO2 56 mm Hg (80 to 100 mm Hg), PaCO2 54 mm Hg (35 to 45 mm Hg), HCO3- 26 mEq/L (21 to 28 mEq/L), and SaO2 87%. Which of the following is the correct interpretation of these values?

A.

Compensated metabolic acidosis

B.

Compensated respiratory acidosis

C.

Uncompensated respiratory acidosis

D.

Uncompensated metabolic acidosis

Answer and Explanation

The Correct Answer is C

Rationale: 

 

A. Compensated metabolic acidosis would show a normal pH with a decrease in HCO3- and a decrease in PaCO2. 

 

B. Compensated respiratory acidosis would show a normal pH with an elevated PaCO2 and a compensatory increase in HCO3-. 

 

C. The low pH indicates acidosis, and the elevated PaCO2 suggests that it is respiratory in origin, with the HCO3- remaining normal, indicating no compensation has occurred yet. 

 

D. Uncompensated metabolic acidosis would present with a low pH, low HCO3-, and normal PaCO2.


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View Related questions

Correct Answer is B

Explanation

Rationale:

A. While a home health nurse visit is important, it is not an immediate safety concern for the client's discharge.

B. The need for assistance when transferring is critical information as it directly impacts the client's safety during discharge; the oncoming nurse must ensure proper support is arranged.

C. The fact that the client's partner will bring clothes is relevant but does not affect the immediate care of the client.

D. Encouragement for personal hygiene is important but is not as urgent as ensuring the client can safely transfer without risk of falls or injury.

Correct Answer is C

Explanation

Rationale:

A. Compensated metabolic acidosis would show a normal pH with a decrease in HCO3- and a decrease in PaCO2.

B. Compensated respiratory acidosis would show a normal pH with an elevated PaCO2 and a compensatory increase in HCO3-.

C. The low pH indicates acidosis, and the elevated PaCO2 suggests that it is respiratory in origin, with the HCO3- remaining normal, indicating no compensation has occurred yet.

D. Uncompensated metabolic acidosis would present with a low pH, low HCO3-, and normal PaCO2.

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