The Following Questions Refer to the Figure Below of a Midsagittal

question 46

Multiple Choice

The following questions refer to the figure below of a midsagittal, T2-weighted MRI of the cervical spine with spinal ligaments.
-Which line points to the anterior arch of C1?

• A) A
• B) B
• C) C
• D) D

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Definitions:

Pharyngotympanic Tube

Also known as the Eustachian tube, it connects the middle ear to the nasopharynx, helping equalize air pressure on both sides of the eardrum.

Endolymph

Endolymph is a fluid within the inner ear that fills the cochlear duct and vestibular system, essential for hearing and maintaining balance.

Perilymph

The fluid that is found within the inner ear's bony labyrinth, surrounding and protecting the membranous labyrinth.

Eardrum

A thin membrane that separates the external ear from the middle ear, vibrating in response to sound waves.