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Cystic Fibrosis 2009
Pathophysiology
Question | Answer |
---|---|
What is cystic fibrosis | Chromosomal abnormality leading to dysfunction of exocrine glands. Affects primarily lungs, pancreas, and sweat glands |
What leads to most of the clinical manifestations? | mechanical obstruction due to thick mucus secretions |
What are the pulmonary effects? | broncial and bronciolar obstruction by thick mucus, leading to atelectasis and reduced area for gas exchange |
Thick mucus in the pulmonary system can lead to _______? | bacterial growth and increased risk of infection of respiratory tract |
What are the pancreatic effects? | decreased absorption of nutrients due to obstruction of pancreatic ducts and lack of adequate enzymes for digestion |
What impact does it have on sweat glands? | excess excretion of sodium and chloride |