Paediatrics

at a Glance

Lawrence Miall, Mary Rudolf, Dominic Smith

Multiple Choice: Chapter 30 Cystic fibrosis

Question 1. The inheritance of cystic fibrosis is characterized by

(a) About 1 in 200 people carry the CF gene mutation
(b) About 1 in 4000 children are born with cystic fibrosis
(c) If both parents carry the gene mutation there is a 50:50 chance that they will have an affected child
(d) If the mother has CF then the father should be offered carrier testing
(e) If both parents have CF then 3 in 4 children will have CF