comes to the emergency depanment because of a uay history of nausea and vomiting 12 to 13 times daily She says she has not been able to or She has not had abdomnal pan or any other symptoms. She has no history of serious illness and takes no medications. On arrival she says that she weak and dzzy Her temperature IS 37'C (98 60F) Her pulse IS 100/min, and blood pressure is 110/68 mm Hg while supine, her pulse is 126/mjn, and blood presswe 9078 mm Ho while Slttng Examination shows no other abnormalities Serum studies show. HC03- Urea nitrogen Glucose CreatiNne Anenal blØd gas analysis on room ajr shov,s pH PC02 P02 135 mEqlL 3 1 mEq/L 88 mEq/L 36 mEq/L 25 88 mg/dL 1M mg/dL 762 45 mm Hg 100 mm Hg of IS the most likely explanat10n for this patients serum potassium concentration? O B) Decreased serum aldosterone concentatjon 'C) C) loss of potassium en the stool C) D) loss ofpotasum tn the unne C) E) loss o! potassum the \omt