Fun Facts
T/F the role of the outer hairs is to enhance the sensitivity of the inner hair cells
What is True
fold of tissue anterior to the helix marking the entrance to the concha
What is antihelix
Cilia of the outer hair cells are embedded within the
tectorial membrane
Given the following frequency 50Hz, calculate the period in milliseconds.
What is 1/50=.02 .02 x 1000 = 20 milliseconds!
What letters/credentials appear at the end of an audiologists name?
What is Au.D.
The "impedence mismatch" refers to a mismatch between what?
What is air filled middle ear and fluid filled cochlea?
flap of epithelium-covered cartilage partially covering the entrance to the EAM
What is tragus
what are the two parts of the conductive mechanisms for sound
What is outer ear, middle ear,
Given the following period .0000462 calculate the frequency
What is 1/ .0000462=21, 645 Hz
Name two professional affiliations for an audiologist.
What is ASHA and AAA
Elastic air molecules are set in motion, reverse direction, and overshoot their resting position because of...
What is inertia
Name the 3 bony structures of the Middle Ear
What is Malleus, Incus and Stapes (Hammer, Anvil, Stirrup)
what are the two sensorineural mechanisms for sound
What is inner ear/cochlea (Sensory), 8th cranial nerve (neural)
Given the frequency 450Hz, calculate the period in seconds and milliseconds.
What is 1/450Hz=.002 seconds .002 x 1000= 2.22 seconds
Frequency and Intensity are ________ measurements of sound.
What is physical
Repeatable wave consisting of 1 frequency
pure tone
Name the 2 main functions of the inner ear
What is Transduce mechanical energy from middle ear into a form of energy the brain can understand. (Hearing) Converts information regarding the body’s position and movement (Balance)
List two landmarks that can be viewed on the eardrum during an otoscopic evaluation
What is cone of light, umbo, malleus
Given the following frequency 600 Hz, calculate the period in milliseconds
What is 600 Hz (1/600) =.0016 .0016 x 1000 = 1.6 milliseconds!
T/F The Eustachian tube connects the middle ear space to the inner ear
What is FALSE it connects the middle ear space to the nasopharynx
What is the degree at the first crest (compression) of a sine wave?
What is 90 degrees
When a loud sound enters the ear, the stapedius and tensor tympani contract in order to
What is reduce the intensity of the sound introduced to the cochlea and thus protect the inner ear from loud noises.
The endolymph is in the
Scala Media
Given the following period .010, find the frequency
What is 1/.010= 100Hz
How many years does it take post Bachelor's degree to obtain a clinical doctorate in audiology
What is 4 years