Exam Prep for Microbiology | Channels for Pearson+

Skip to main content

My Courses

AI Tools Channels Home

Physical Barriers in First-Line Defenses: Mucous Membrane

19. Innate Immunity / Physical Barriers in First-Line Defenses: Mucous Membrane / Problem 2

The mucociliary escalator is essential for preventing:

A

Nutrient absorption

B

Respiratory tract infection

C

Carbon dioxide expulsion

D

Excessive mucus production

Learn this concept