The act of breathing transports air entering the oral or nasal cavities to the ____________________ sacs where gas exchange can occur.

Fill in the blank(s) with the appropriate word(s).

alveolar

Health Professions

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Traumatic fractures are based on a number of criteria. Which of the following is NOT one of them?

a. Specific bone b. Site on the bone c. Cause of the fracture d. Open or closed

Health Professions

ICD codes are updated ____. 

A. weekly B. monthly C. yearly D. every two years E. every five years

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