Protective Features of the Skin Include All of the Following

Question

Protective features of the skin include all of the following except ______.
A) resident biota
B) high pH
C) high salt content
D) a keratinized surface
E) lysozyme

Accepted Answer

The skin's protective features include resident biota, high salt content, a keratinized surface, and lysozyme, but not a high pH. In fact, the skin has a slightly acidic pH, which helps inhibit the growth of many pathogenic microbes.