The primary contributing factor to lower respiratory tract infections in patients with cystic fibrosis is

Question

Quizplus · Accepted Answer

The increased mucus viscosity in the airways of individuals with cystic fibrosis makes it difficult for the cilia to move the mucus out of the airways, leading to an accumulation of mucus and increased susceptibility to lower respiratory tract infections. Low leukocyte numbers, decreased cellular immune function, and decreased antibody production may all contribute to increased susceptibility to infection, but the primary factor in cystic fibrosis is the increased mucus viscosity.

The Primary Contributing Factor to Lower Respiratory Tract Infections in Patients