A 38-year-old man with untreated type 1 diabetes mellitus presents with polyuria, abdominal pain, and deep rapid breathing. Laboratory studies show glucose 540 mg/dL, potassium 5.8 mEq/L, bicarbonate 9 mEq/L, and arterial pH 7.12. After insulin treatment is started, his potassium falls rapidly. Which of the following best explains his initial elevated serum potassium before therapy?

1. A)Decreased aldosterone secretion from autoimmune adrenalitis
2. B)Release of potassium from rhabdomyolysis
3. C)Renal potassium retention from loop diuretic use
4. D)Shift of potassium out of cells due to acidemia and insulin deficiencyGABARITO
5. E)Total body potassium excess from increased intake