AnswersGV 2018 - P.E. Health Science Concepts - PE361Common Diseases and Disorders of the Reproductive System — Cumulative examQuestion 28
28
RCMultiple Choice

Common Diseases and Disorders of the Reproductive System — Cumulative exam

Question 28 • *GV 2018 - P.E. Health Science Concepts - PE361

The sinuses are

Answer
A
air-filled cavities that secrete mucus to keep the nose moist and remove bacteria.
B
tubes at the end of the pharynx that are made of different types of cartilage and muscle, and lined with a mucous membrane.
C
tubes that conduct air to the lungs, and allow for gas exchange of oxygen and carbon dioxide.
D
small, curved, bony plates that line the walls of the nasal cavity, and are covered with a mucous membrane.

Explanation

The sinuses are air-filled spaces in the bones around the nose. Their lining produces mucus, which helps keep the nasal passages moist and trap or remove bacteria. Choice A describes the sinuses; the other choices describe structures such as the larynx, airways, or nasal conchae.

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