A child has a 2-day history of vomiting and diarrhea.He has hypoactive bowel sounds and an irregular pulse.Electrolyte values are sodium,139 mEq/L; potassium,3.3 mEq/L; and calcium,9.5 mg/dL.This child is likely to have which of the following electrolyte imbalances?
A) Hyponatremia
B) Hypocalcemia
C) Hyperkalemia
D) Hypokalemia

Question

Quizplus · Accepted Answer

A serum potassium level less than 3.5 mEq/L is considered hypokalemia.Clinical manifestations of hypokalemia include muscle weakness,decreased bowel sounds,cardiac irregularities,hypotension,and fatigue.The normal serum sodium level is 135 to 145 mEq/L.A level of 139 mEq/L is within normal limits.A serum calcium level less than 8.5 mg/dL is considered hypocalcemia.A serum potassium level greater than 5 mEq/L is considered hyperkalemia.

A Child Has a 2-Day History of Vomiting and Diarrhea