Which of These Statements Is False

Which of these statements is false?

A) The mucus secretions of individuals with cystic fibrosis are abnormally thick and viscous.
B) The airways of people with cystic fibrosis secrete greater amounts of mucus than normal.
C) The major complications of cystic fibrosis are manifested in the sweat glands, pancreas, and lungs.
D) Cystic fibrosis is caused by a genetic disorder that affects chloride transport in exocrine glands.