Features of cystic fibrosis: (A) Lung normal at bih, (B) Low sweat choride tests, (C) Autosomal dominant, (D) Defect in Chromosome 11
Answer is A. The sweat chloride is high(>60 mEq/L) Defect in long arm of chromosome 7 Autosomal recessive condition. Ref : Essential pediatrics,O.P.Ghai,7 th edition,pg no:369