A nurse is teaching about the structure that connects the middle ear with the pharynx. Which structure is the nurse describing?
a. Organ of Corti
b. Eustachian tube
c. Semicircular canal
d. Auditory canal
ANS: B
The Eustachian tube connects the middle ear to the pharynx. The organ of Corti contains the hair cells. The semicircular canal is one of the three bones of the labyrinth. The auditory canal leads to the middle ear.
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