Surgery – MCQ 43 – Biochemical abnormality in congenital pyloric stenosis

Most common biochemical abnormality in congenital pyloric stenosis.
a) Hyperkalemic metabolic acidosis
b) Hypokalemic metabolic acidosis
c) Hyperkalemic metabolic alkalosis
d) Hypokalemic metabolic alkalosis

Correct answer : d) Hypokalemic metabolic alkalosis