Protective Features of the Skin Include All of the Following

question 27

Multiple Choice

Protective features of the skin include all of the following except ______.

• A) high pH
• B) high salt content
• C) lysozyme
• D) a keratinized surface
• E) resident biota

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Definitions:

Periodontitis

A serious gum infection that damages the soft tissue and destroys the bone supporting teeth, potentially leading to tooth loss.

Mucosa

A moist, inner lining of some organs and body cavities, such as the nose, mouth, lungs, and stomach.

Submucosa

A layer of dense irregular connective tissue or fibrous connective tissue that lies beneath a mucous membrane and supports it, often containing glands, blood vessels, and nerves.

Large Intestine

In vertebrates, the portion of the digestive tract that follows the small intestine. In humans, consists of the cecum, colon, rectum, and anal canal.