The failure of the lungs to adequately eliminate CO2 results in?

Metabolic alkalosis

Metabolic acidosis

Respiratory acidosis

Respiratory alkalosis

Answer and Explanation

The Correct Answer is C

Rationale:
A. Metabolic alkalosis is related to an excess of bicarbonate or loss of acid, not CO₂ retention.
B. Metabolic acidosis is caused by the accumulation of acids (like in renal failure or DKA), not respiratory dysfunction.
C. Respiratory acidosis occurs when the lungs fail to excrete enough CO₂, leading to CO₂ retention and a decrease in blood pH. This is commonly seen in conditions like COPD, respiratory depression, or airway obstruction.
D. Respiratory alkalosis results from excessive elimination of CO₂, such as in hyperventilation, which is the opposite of what is described.

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Correct Answer is C

Explanation

Rationale:
A. Normal ABG would have pH between 7.35–7.45, PaCO₂ between 35–45 mmHg, and HCO₃⁻ between 22–26 mEq/L. This ABG is not fully normal.
B. Metabolic acidosis is characterized by low pH and low HCO₃⁻, which is not the case here.
C. Metabolic alkalosis shows elevated HCO₃⁻ (30 mEq/L) and a near-normal but slightly alkalotic pH (7.44). The elevated PaCO₂ (48 mmHg) suggests partial respiratory compensation.
D. Respiratory acidosis would have a low pH and high PaCO₂, which doesn't match this ABG.

A. Cabbage B. White rice C. Cheddar cheese D. Bananas

Correct Answer is D

Explanation

Rationale:
A. Cabbage is low in potassium and not ideal for correcting hypokalemia.
B. White rice is low in potassium and does not help increase potassium levels.
C. Cheddar cheese contains minimal potassium and is not effective for raising serum potassium.
D. Bananas are rich in potassium and are appropriate to help correct hypokalemia caused by furosemide use.

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The failure of the lungs to adequately eliminate CO2 results in?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Interpret the following ABG: pH 7.44, PaCo2 48mmHg, HCO3 30 Meq/L

Correct Answer is C

Explanation

A nurse is reinforcing teaching with a client who takes furosemide and has a serum potassium level of 3.1 mEq/L. Which of the following foods should the nurse instruct the client to include in his daily diet?

Correct Answer is D

Explanation

The client is experiencing respiratory acidosis as a result of COPD is likely to present with which of the following clinical signs? (Select 4 options that apply)

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