•Cystic fibrosis is characterized by the abnormal transport of chloride and sodium across epithelium. This leads to thick, viscous secretions.
•Exocrine glands become obstructed due to the inability of the thick secretions to move. Cystic fibrosis affects the exocrine glands of the pancreas, lungs, liver, and intestines.
•Cystic fibrosis is an autosomal recessive disorder.
•Sweat contains an elevated level of sodium due to abnormal chloride and sodium transport.