Outer Ear Anatomy!

What is the narrowest part of the external auditory canal?

• cerumen

• tympanic membrane

• isthmus

• oval window

The outer part of the external auditory canal is composed of what material?

• bone

• cartilage

• skin

• muscle

What is the flat area of the temporal bone that rests on the side of the head?

• mastoid

• petrous

• squamous

• tympanic

What is the air-filled bone that surronds the outer ear canal and middle ear?

• mastoid

• petrous

• squamous

• tympanic

Located in the external auditory meatus, this material helps to deter bugs.

• skin

• bone

• cartilage

• cerumen

The inner part of the external auditory canal is made of what material?

• skin

• cartilage

• bone

• muscle

What part of the temporal bone is dense and houses the cochlea?

• mastoid

• petrous

• squamous

• tympanic

What process of the temporal bone forms the cheek?

• frontal

• mastoid

• helix

• zygomatic

What are the three purposes of the pinna?

• amplify sound

• localization of sound

• party with sound and dance around the room

• protection

What is the shape of the external auditory canal?

• square

• straight

• "S" shaped

• whacky and wavy