Each of the following is a physical barrier to infection except
A) body hair.
B) epithelium.
C) secretions.
D) complement.
E) basement membranes.

Question

Quizplus · Accepted Answer

Complement is not a physical barrier to infection, but rather a part of the immune response. Body hair, epithelium, secretions, and basement membranes are all physical barriers that prevent pathogens from entering the body or spreading within it.

Each of the Following Is a Physical Barrier to Infection