Question 1
Which statement is true regarding potassium balance?
◦ Potassium is the major extracellular electrolyte.
◦ During acidosis, potassium shifts into the cell.
◦ Aldosterone is secreted when potassium is decreased.
◦ Insulin causes the movement of potassium into the cell.
Question 2
Which statement is true regarding hypokalemia?
◦ Hypokalemia occurs when the serum level is below 45 mEq/L.
◦ One cause of hypokalemia is diabetic ketoacidosis.
◦ Dietary causes of hypokalemia are common.
◦ Diuretics do not cause hypokalemia.