Which Statement Best Describes Cystic Fibrosis

Multiple Choice

Which statement best describes cystic fibrosis?

A) Obstructive airway disease characterized by reversible airflow obstruction, bronchial hyperreactivity, and inflammation
B) Respiratory disease characterized by severe hypoxemia, decreased pulmonary compliance, and diffuse densities on chest x-ray imaging
C) Pulmonary disorder involving an abnormal expression of a protein-producing viscous mucus that obstructs the airways, pancreas, sweat ducts, and vas deferens
D) Pulmonary disorder characterized by atelectasis and increased pulmonary resistance as a result of a surfactant deficiency