What is the function of the internal acoustic meatus?

A) It serves as a passageway for blood vessels and the facial and vestibulocochlear nerves.
B) It serves as a passageway for the hypoglossal nerve.
C) It serves as a hollow space that lightens the weight of the cranium.
D) It serves the hollow space of the external ear canal ending at the tympanic membrane.
E) It contains the tooth sockets for the upper teeth.


Answer: A

Anatomy & Physiology

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