2. A child has a 2-day history of vomiting and diarrhea. He…

2. A child has a 2-day history of vomiting and diarrhea. He has hypoactive bowel sounds and an irregular pulse. Electrolyte values are sodium, 146 mEq/L; potassium, 3.6 mEq/L; and calcium, 8.0 mg/dL. This child is likely to have which of the following electrolyte imbalances?