complete solutions rated A+
auricle/pinna - correct answer ✔✔ visible part of outer ear
auricle/pinna function - correct answer ✔✔ collects sound and direct it to the
external auditory canal
pinna also serves to _____ sound in its ______ - correct answer ✔✔ enhance,
resonant frequency region
resonant frequency region is between - correct answer ✔✔ 2-7 kHz
external auditory meatus extends from: - correct answer ✔✔ the auricle/pinna to
the tympanic membrane
what kind of shape does the EAM have - correct answer ✔✔ S shape, elliptically
shaped
what are the dimensions of the EAM - correct answer ✔✔ 9mm high, 6.5 mm
wide
what is the EAM lined with - correct answer ✔✔ epithelium
, cerumen - correct answer ✔✔ ear wax
external portion of EAM supported by - correct answer ✔✔ cartilage
inner portion of EAM supported by - correct answer ✔✔ tympanic part of
temporal bone
in children, EAM angles_____ - correct answer ✔✔ downward
in adults, EAM is angled ______ - correct answer ✔✔ up
EAM serves to maintain ______ - correct answer ✔✔ constant temperature,
protection from trauma, protection from foreign objects
tympanic membrane total area _______ - correct answer ✔✔ 63.3 mm (squared)
the 3 layers of tympanic membrane - correct answer ✔✔ outer (epithelial),
middle (fibrous), inner (mucous)
thickness of tympanic membrane - correct answer ✔✔ 0.07 mm
small size outer ear disorder - correct answer ✔✔ microtia
absent outer ear disorder - correct answer ✔✔ anotic/agensis