Physical Barriers of Nonspecific Defenses

question 25

Multiple Choice

Physical barriers of nonspecific defenses

• A) include both the cells that line the body surfaces and the chemicals they secrete
• B) include phagocytes and interferon
• C) respond to antigens by making thousands of different antibodies
• D) are part of the host cellular defenses

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Definitions:

Cricoid Cartilage

A ring-shaped structure at the top of the trachea that provides support and structure to the airway.

Arytenoid Cartilage

A pair of small three-sided cartilages located in the larynx, to which the vocal cords are attached, playing a key role in vocalization.

Epiglottic Cartilage

A leaf-shaped cartilage situated at the root of the tongue that prevents food and liquid from entering the windpipe during swallowing.

Thyroid Cartilage

A large cartilage of the larynx that forms the Adam's apple and serves as a shield for the vocal cords beneath it.