Which of the following pathological events BEST describes how cystic fibrosis may manifest into bronchiectasis?

Question

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Failure to clear secretions associated with cystic fibrosis from airway lumens can often initiate infection.As lung disease progresses submucosal glands hypertrophy,goblet cells become more numerous,and small airways often become completely obstructed by secretions.The outcome of these repeated obstructive-infection cycles is bronchiectasis.

Which of the Following Pathological Events BEST Describes How Cystic