Multiple choice

Which of the following causes an intracellular shift of potassium ions?

  1. C-reactive protein

  2. Cholesterol

  3. Acidosis

  4. Domperidone

  5. Insulin
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Insulin causes potassium entry into cells. It is used in the emergency treatment of severe hyperkalaemia. As insulin also causes a fall in blood glucose levels, exogenous glucose is usually given with the insulin to prevent this.

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