One therapeutic measure for treating hyperkalemia is the administration of dextrose and regular insulin. How do these agents lower potassium?
a. They force potassium out of the cells and into the serum, lowering it on a cellular level.
b. They promote higher excretion of potassium in the urine.
c. They bind with resin in the bowel and are eliminated in the feces.
d. They force potassium out of the serum and into the cells, thus causing potassium to lower.
D
Acute hyperkalemia can be treated temporarily by intravenous administration of insulin and glucose. An infusion of 50 mL of 50% dextrose accompanied by 10 units of regular insulin forces potassium out of the serum and into the cells.
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