Multiple choice

Which of the following can cause an intracellular shift of potassium ions?

  1. Insulin

  2. Beta 2 agonists

  3. Acidosis

  4. Cholesterol

  5. C reactive protein
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A Correct answer
Explanation

Insulin causes potassium entry into cells and insulin 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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