A 55-year-old client with chronic kidney disease (CKD) stage…
A 55-year-old client with chronic kidney disease (CKD) stage 4 (GFR 22 mL/min) presents with serum potassium of 6.8 mEq/L. The client reports using a salt substitute and taking lisinopril. Which physiological mechanism is most impaired in this client’s hyperkalemia?
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