Multiple Choice
An upper respiratory infection is a condition that occurs when:
A) Inflammation affects one or more of the paranasal sinuses.
B) A respiratory disorder of newborns exists.
C) Bacteria enter the lungs.
D) Viruses or bacteria enter the nose, pharynx, or larynx.
E) The alveoli do not inflate properly.
Correct Answer:

Verified
Correct Answer:
Verified
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