Barriers Include All of the Following Except ________

Question

Barriers include all of the following except ________.
A)Mucous membranes
B)Skin
C)Sebaceous glands
D)Nails

Accepted Answer

Nails are not considered a barrier in the context of protecting against pathogens, whereas mucous membranes, skin, and sebaceous glands are part of the body's defense system.