Which change in concentration do you expect to see in the patient's plasma?

A 38-year-old woman complains of 4 days of vomiting.She denies blood in the vomitus. She reports that her energy level “has not been the same.” Which change in concentration do you expect to see in the patient’s plasma?

A Elevated PTH
B Elevated total calcium
C Reduced sodium
D Elevated potassium
E Elevated insulin