A Structure That Reduces the Weight of the Skull and Drains

question 25

Multiple Choice

A structure that reduces the weight of the skull and drains into the middle ear would be

• A) a fontanel.
• B) a diaphysis.
• C) yellow bone marrow.
• D) red bone marrow.
• E) a sinus.

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Definitions:

Veins

Vessels that carry blood to the heart.

Atherosclerosis

A disease characterized by the buildup of plaque inside arteries, leading to reduced or blocked blood flow.

Arteriosclerosis

A condition characterized by the thickening, hardening, and loss of elasticity of the walls of arteries, leading to restricted blood flow.

Angina Pectoris

A disorder involving a restricted blood supply to the myocardium, which results in chest pain and restricted breathing.