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The Ear

1. Cerumen is produced by glands located in the skin of the outer ear canal and traps dust and sand particles before they reach the eardrum.

True
False

2. The bony labyrinth, situated deep within the mastoid bone, has three parts: the semicircular canals, the vestibule, and the _____ .

Crista
Cochlea
Corti
Auricle

3. The malleus, the incus, and the stapes are auditory ossicles.

True
False

4. The external ear consists of the outer portion of the ear that is visible on the side of the head, called the _____ , and the external auditory canal that leads to the tympanic membrane.

Helix
Meatus
Pinna
Tragus

5. The aditus is an opening in the back wall of the middle ear above the eardrum. It contains the head of the malleus and the body of the incus and leads to the mastoid sinus.

True
False


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