Which Structure Allows Upper Respiratory Infections to Spread from the Throat

question 44

Multiple Choice

Which structure allows upper respiratory infections to spread from the throat to the tympanic cavity?

• A)the oval window
• B)the cochlear duct
• C)the auditory canal
• D)the auditory (eustachian) tube
• E)the tympanic cavity

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Definitions:

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The benefit that results when two or more agents work together to achieve something neither could have achieved on their own.

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