A nurse is caring for a client who has the following arterial blood gas results: HCO3-, 18 mEq, PaCO, 28 mm Hg and pH 7.30. The nurse recognizes the client is experiencing which of the following acid base imbalances?

Respiratory acidosis

Metabolic alkalosis

Respiratory alkalosis

Metabolic acidosis

Answer and Explanation

The Correct Answer is D

A.   Respiratory acidosis would typically involve an elevated PaCO2, which is not seen in this case.
B.   Metabolic alkalosis is characterized by an elevated bicarbonate level, which is not present in this scenario.
C.   Respiratory alkalosis would present with a low PaCO2 and an elevated pH, which is not the case here.
D.   The low bicarbonate level (HCO3) 18mEq/L (normal range of 22-26 mEq/L), and low pH 7.30 (normal range of 7.35-7.45), indicate metabolic acidosis. suggesting acidemia. The PaCO2 is also low at 28 mm Hg, indicating a respiratory compensation for the metabolic acidosis.

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Correct Answer is B

Explanation

A. Respiratory Acidosis, both compensated and uncompensated, is characterized by an elevated PaCO2, which is not present in this case.
B. The elevated pH (7.5) and HCO3 (34 mmol/L) indicate metabolic alkalosis. The elevated pH and the slightly elevated PaCO2 (40 mm Hg) suggest the partially compensated state, which is the respiratory compensation attempting to correct the alkalosis.
C. The fact that the PaCO2 is not low rules out respiratory alkalosis.
D. The arterial blood gas values indicate a high pH (7.5), a normal PaCO2 (40 mm Hg), and an elevated HCO3 (34 mmol/L), which are indicative of metabolic alkalosis. However, the elevated pH and the slightly elevated PaCO2 (40 mm Hg) suggest a partially compensated state.

A. Hypomagnesemia B. Hypokalemia C. Hyperkalemia D. Hypermagnesemia

Correct Answer is B

Explanation

A. While electrolyte imbalances can occur in nephrotic syndrome, hypomagnesemia is not typically associated with corticosteroid therapy.
B. Corticosteroid therapy can lead to increased urinary potassium loss and subsequent hypokalemia.
C. Corticosteroid therapy is not typically associated with hyperkalemia.
D. Hypermagnesemia is not typically associated with nephrotic syndrome or corticosteroid therapy.

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A nurse is caring for a client who has the following arterial blood gas results: HCO3-, 18 mEq, PaCO, 28 mm Hg and pH 7.30. The nurse recognizes the client is experiencing which of the following acid base imbalances?

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Naxlex Comprehensive Predictor Exams

Correct Answer is B

Explanation

A nurse is caring for a client who has nephrotic syndrome and is receiving high-dose corticosteroid therapy. For which of the following electrolyte imbalances should the nurse monitor?

Correct Answer is B

Explanation

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