Pulmonary Defenses

Question 1

What are the defenses, defects and potential infection problems of the nasopharynx?

Answer 1

1. Cilia, Mucous layer (IgA and IgG)

2. Colonization of G- bacilli

Question 2

What are the defenses, defects and potential infection problems of the distal airways?

Answer 2

1. Surfactant

2. Alveolar collapse (atelectasis)