The Sweeping of Ciliated Epithelium Normally Prevents Pathogens from Reaching

Question

The sweeping of ciliated epithelium normally prevents pathogens from reaching the:
A)stomach
B)liver
C)skin
D)lungs

Accepted Answer

The ciliated epithelium lines the respiratory tract, and it helps to sweep mucus and any trapped particles, including pathogens, out of the respiratory system. Therefore, the correct answer is D, lungs, which is the only option listed that is directly related to the respiratory system.