An infection may occur in a tissue injury. Why?

a. The skin and mucous membranes are body's first line of defense, and are mostly impenetrable to microorganisms unless broken.
b. The increased availability of nutrients allows microorganisms to replicate.
c. Once microorganisms gain entry to the body through a wound, they will always cause an infection.
d. The increased availability of nutrients allows microorganisms to replicate. The skin and mucous membranes are body's first line of defense and are mostly impenetrable to microorganisms, unless broken or damaged by tissue injury.


Answer: d. The increased availability of nutrients allows microorganisms to replicate. The skin and mucous membranes are body's first line of defense and are mostly impenetrable to microorganisms, unless broken or damaged by tissue injury.

Anatomy & Physiology

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