A Neonate Born to a Family with a Two Children

Multiple Choice

A neonate born to a family with a two children who have cystic fibrosis has a sweat test performed shortly after birth.The results are within normal limits.Which interpretation by the nurse is correct?

A) Genetic testing is the only reliable method to diagnose cystic fibrosis.
B) Results are inconclusive unless fecal analysis for trypsin also is negative.
C) The test should be repeated when the neonate is older.
D) This child does not have cystic fibrosis.