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Question
Which of the following is true of the auditory tube?
A. It is a passageway from the middle ear to the oropharynx.
B. It is usually collapsed.
C. It opens due to the action of the tensor tympani muscle.
D. Both it is usually collapsed and it opens due to the action of the tensor tympani muscle.
Answer
This answer is hidden. It contains 1 characters.
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