Another name for the Pinna is?
tragus
Auricle
Umbo
Tympanic Membrane
The cone of light in a healthy right ear should appear where on the TM?
10:30
11:00
5:00
7:00
What are the names of the ossicles?
Umbo, Manubrium, Vestibule
Cochlea, Saccule, Utricle
Malleus, Incus, Stapes
Anterior, Posterior, Lateral
What is the resonant frequency of the average ear canal?
2700 Hz
4000-5000 Hz
8000 Hz
3200 Hz
Microtia is:
Narrowing of the ear canal
Weak cartilage causing tissue sagging and closure of the ear canal when pressed
Small, malformed pinna
Incomplete formation of the ossicles
The purpose of the Eustachian Tube is:
Amplify sound prior to the loss of intensity which occurs with transmission from an air space to a fluid filled space
Aerate the middle ear space and equalize middle ear pressure
Provide a passage for sound to reach the TM
Collect wax
Otosclerosis is an example of what type of hearing loss?
Mixed
Sensorineural
Non-organic
Conductive
The organ of Corti sits on which membrane?
Tectorial Membrane
Serous Membrane
Basilar Membrane
How many outer hair cells do we have?
3000 – 3500
10,000 – 12,000
12,000 – 15,000
4000 - 5000
The arrangement of areas of sensitivity on the basilar membrane such that high frequencies are processed at the base of the cochlea and low frequencies are processed at the apex of the cochlea is known as:
Tonotopic Organization
Auditory Neuropathy
Bone Conduction
Ohm’s Law
Which of the following would cause a Sensorineural hearing loss:
Presbycusis
Otitis Media
Collapsed Ear Canal
TM perforation
A patient with recruitment has what type of hearing loss?
No hearing loss
What is the definition of Dynamic Range?
The amount of gain for each frequency
The difference between the patient’s threshold and UCL
The difference between the patient’s MCL and UCL
The difference between the patient’s threshold and MCL
Upon otoscopic examination, the patient has a TM perforation. What type of tympanogram would you expect to see?
Type B
Type C
Type Ad
Type A
15. We should see acoustic reflexes at what level?
70-90 dB SPL
30-50 dB SL
120 dB HL
90 dB SPL
Surgical treatment for a TM perforation is called what?
Mastoidectomy
Myringotomy
Tympanoplasty
Stapedectomy
Which of the following is NOT a characteristic of Meniere’s Disease?
Fluctuating hearing loss
Inflammation and pain of the ear
Tinnitus
Fullness of the ear
How frequently should your equipment be calibrated?
Once a year
Once a month
Once a day
Never
AC testing tests what parts of the ear?
Outer ear only
Outer and middle ear
Outer, middle, and inner ear
Inner ear only
Spondee words are the stimuli for which test?
WRS
SRT
SDT
MCL
An example of a spondee word is:
Ball
Independent
Airplane
Ocho
WRS testing uses which stimuli?
Phonetically Balanced words
Pictures
White Noise
Spondee words
