Juvenile Polyposis Coli

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Q) In juvenile polyposis coli, all true except

a)  SMAD 4 mutation
b)  No risk of cancer
c) Polyps most common in ileum
d)  Autosomal Dominant with high penetrance

TEF

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Q) which of the following statement is false with respect to most common type of TEF(tracheoesophageal fistula)?
A) type C with female predominance
B )proximal blind pouch ends one or two vertebral bodies from distal TEF
C) distal TEF is located 1cm above Carina
D) polhydraminos is often with isolated proximal atresia.