What Are the Functions of the Sinuses

question 8

Multiple Choice

What are the functions of the sinuses?

• A) to drain fluid from the brain and to allow the brain to expand
• B) to give a resonant sound to the voice and to allow the brain to expand
• C) to lighten the skull and drain fluid from the brain
• D) to lighten the skull and give a resonant sound to the voice
• E) to allow the brain to expand and to lighten the skull

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Definitions:

Blood Urea Nitrogen

A measurement of the urea nitrogen levels in blood, often used to assess kidney function and health.

Kidney Disorders

Refers to diseases or conditions affecting the kidneys' ability to function properly, such as chronic kidney disease or kidney stones.

Prothrombin Time

A blood test that measures how long it takes blood to clot, used to assess the efficiency of the clotting mechanism.

Seconds

The basic unit of time in the International System of Units (SI), equivalent to 1/60th of a minute.