All of the Following Will Help the Skin to Fight

Multiple Choice

All of the following will help the skin to fight infection but one.Which of the following will have little effect on the skin's ability to fight infection?

A) Increased secretions of defensins from skin cells.
B) Greater production of keratinocytes resulting in more layers of the stratum corneum.
C) More tight junctions between keratinocytes of the stratum corneum.
D) Greater production of melanin.