How Does the Skin Act as a Barrier to Microbial

question 74

Multiple Choice

How does the skin act as a barrier to microbial invasion?

• A) It releases B cells and T cells to fight infections.
• B) Dendritic cells patrol the skin's surface, producing secretions that inhibit microbe growth.
• C) Sweat and sebaceous gland secretions inhibit bacterial growth.
• D) Dead skin cells are packed with keratin, an antibacterial protein that punches holes in bacterial membranes.

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