This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Which of the following is NOT true for Cystic fibrosis:March 2013 
Select and explain. 
A. Abnormal sweat gland function, B. Ultimately lead to bronchogenic carcinoma, C. Exocrine pancreatic insufficiency, D. Intestinal dysfunction
B: Ultimately lead to bronchogenic carcinoma
Answer: B: Ultimately lead to bronchogenic carcinoma 
Explanation: Ans. B i.e. Ultimately lead to bronchogenic carcinomaCystic fibrosis:Autosomal recessive,Results due to mutation in a gene on chromosome 7,Predisposes to chronic infection by staph. aureus and pseudomonas,Cavitation is oftenly seen with staphylococcal infections