Cystic fibrosis in children is characterized by which of the following?

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Multiple Choice

Cystic fibrosis in children is characterized by which of the following?

Explanation:
Cystic fibrosis causes thick, sticky mucus in the airways due to a defective CFTR chloride channel, which leads to mucus buildup and airway obstruction. This thick mucus is hard to clear, creating a nurturing environment for bacteria and resulting in chronic, lifelong respiratory infections. The ongoing cycle of mucus plugging and infection drives progressive lung damage seen in affected children. While CF can involve the pancreas and other organs, the hallmark pulmonary feature is thick secretions with persistent respiratory infections, not thin secretions, neurological symptoms, or primary cardiac disease.

Cystic fibrosis causes thick, sticky mucus in the airways due to a defective CFTR chloride channel, which leads to mucus buildup and airway obstruction. This thick mucus is hard to clear, creating a nurturing environment for bacteria and resulting in chronic, lifelong respiratory infections. The ongoing cycle of mucus plugging and infection drives progressive lung damage seen in affected children. While CF can involve the pancreas and other organs, the hallmark pulmonary feature is thick secretions with persistent respiratory infections, not thin secretions, neurological symptoms, or primary cardiac disease.

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