Following is true about cystic Fibrosis
In adults pseudomonas is most common arganism causing infection in cystic fibrosis adult patients.
Sweat chloride levels > 60 mmol / L is diagnostic.
Nasal polyps is present.
Nasal polyposis is absent
Sweat chloride levels > 30 mmol / L is diagnostic
Staphylococcus is most common pathogen  causing  infection in cystic fibrosis in adults.
Chromosome - 7 genetic defect