Wgu HESI RN Pharmacology 1

Extract:

Question 1 of 5

The nurse is administering sodium polystyrene sulfonate to a client in acute kidney injury (AKI). Which laboratory finding indicates that the medication has been effective? Reference Range: Glucose [74 to 106 mg/dL (4.1 to 5.9 mmol/L)] Hemoglobin [14 to 18 g/dL (140 to 180 g/L)] Potassium [3.5 to 5 mEq/L (3.5 to 5 mmol/L)] Ammonia [10 to 80 μg/dL (6 to 47 μmol/L)]

A. Hemoglobin level of 13.5 g/dL (135 g/L). B. Serum ammonia level of 30 μg/dL (17.62 μmol/dL). C. Serum potassium level of 3.8 mEq/L (3.8 mmol/L). D. Serum glucose level of 120 mg/dL (6.7 mmol/L).

Correct Answer: C

Rationale: Sodium polystyrene sulfonate lowers potassium by exchanging sodium for potassium in the gut. A potassium level of 3.8 mEq/L (normal range) indicates effective hyperkalemia treatment in AKI. Ammonia, hemoglobin, and glucose are unaffected by this medication.

Question 2 of 5

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Wgu HESI RN Pharmacology 1 | Nurselytic

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HESI RN

HESI RN