<prompt> Calculate the anion gap from the following information: Na 137 mmolL K 4 mmolL Cl- 110 mmolL HCO3- 15 mmolI.22 mmolL16 mmolL10 mmolL12 mmolL  <response>: Anion gap Na - Cl- HCO3- 137 - 110 15 12 mmolL The value of potassium is not considered in anion gap 