Pediatrics Respiratory system e9af0380 Features of cystic fibrosis A Lung normal at bih B Low sweat choride tests C Autosomal dominant D Defect in Chromosome 11 High-Yield Explanation 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