Blood work reveals the following lab values for a client who has been diagnosed with anorexia nervosa: hemoglobin 9.6 g/dL, hemocrit 27%, potassium 2.7 mEq/L, sodium 126 mEq/L. The greatest danger to her at this time is:

C Dehydration from vomiting A Hypoglycemia from low-carbohydrate intake B Possible cardiac dysrhythmias secondary to hypokalemia D Anoxia secondary to anemia