Audiology Exam Questions and Answers 100% Pass

Audiology Exam Questions and Answers
100% Pass


outer ear two structures -

CORRECT ANSWER: 1. the pinna, or auricle

2. the external auditory meatus (ear canal)




QUESTION: 1. pinna

2. ear canal -

CORRECT ANSWER: The outer ear is made up of two structures




QUESTION: pinna -

CORRECT ANSWER: - is the visible part of the auditory system and is

shaped like a funnel. -

it is composed of skin overlaying stiffer cartilage along with a fleshier

lobe and is attached to the cranium by ligaments.

,- the funnel shape gives rise to it's basic function: to collect and send

sound waves through the ear canal.

- it also assists in sound localization and helps to protect the entrance to

the external auditory canal.




QUESTION: cerumen -

CORRECT ANSWER: is waxy and somewhat sticky which aids in

keeping the ear canal moisturized and clean of debris that could

accumulate




QUESTION: external auditory meatus -

CORRECT ANSWER: - is a tube that runs from the pinna to the ear

drum (tympanic membrane)

- 6mm long in children

- 23-29mm long in adult

- lined with epithelium (skin) and tiny hairs (cilia)

, - contains glands in the cartilaginous portions that produce earwax

(cerumen)




QUESTION: external canal 2 functions -

CORRECT ANSWER: 1. to protect the delicate middle and inner ear

from foreign bodies that could damage these structures

2. along with contra, it boosts the amplitude of high frequency sounds.

The concha and the ____________ have a natural resonant frequency.




QUESTION: natural frequency -

CORRECT ANSWER: is the frequency in which something responds

or vibrates best to




QUESTION: 10 to 15 db -

CORRECT ANSWER: - when frequencies enter the canal and are close

to or at the resonant frequency of the canal, they get an automatic boost

of _____________.