A patient has an increased serum potassium level and has developed a cardiac arrhythmia. How do insulin and glucose assist in decreasing the serum potassium level?
A) Insulin and glucose drive potassium into the cells.
B) Insulin and glucose bind potassium to sodium.
C) Insulin and glucose increase urinary excretion of potassium.
D) Insulin and glucose increase fecal excretion of potassium.
A
Feedback:
Insulin and glucose lower serum potassium levels by driving potassium into the cells. Insulin and glucose do not bind potassium to sodium or increase urinary excretion of potassium or fecal excretion of potassium.
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