Title: Quiz 1.2 HIS 150
Course: 14SP-HIS-150-GWB2-HEAR. INSTRU. FITTING METHODS > Section: Dropbox

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The two functional portions of the labyrinth are hearing and ___________ .</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Understanding</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Balance</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Proprioception</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Creation</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Balance</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The cochlea does for hearing what the retina does for vision.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">True</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">False</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">True</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The top chamber of the ____________ begins at the oval window and ends at the helicotrema.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Tympani</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Media</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Naida</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Vestibuli</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Vestibuli</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The snail shaped cochlea has about _________ turns in </span></span><span style="font-size:12pt"><span style="font-family:'Tahoma'"><u>humans</u>.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Two and one-half</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Three and one-half</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">One and one-half</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Four and one half</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Two and one-half</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The Organ of Corti is located within the:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Tympani</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Media</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Naida</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Vestibuli</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Media</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Endolymph fluid is found within the:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Tympani</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Media</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Naida</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Vestibuli</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Scala Media</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The travelling wave, created by the movement of the stapes, creates an opportunity for mechanical frequency analysis by the:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Basilar membrane</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Reisner’s membrane</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Tympanic membrane</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Tectorial membrane</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Basilar membrane</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The movement (shearing action) of the outer hair cells against the ___________ , create the opportunity for electrical frequency analysis.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Basilar membrane</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Reisner’s membrane</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Tympanic membrane</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Tectorial membrane</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Tectorial membrane</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">A minimum audible sound pressure can create movement of the _________ by as little as one one-hundredth of a hydrogen molecule.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Basilar membrane</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Reisner’s membrane</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Tympanic membrane</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Tectorial membrane</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Tympanic membrane</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Electricity is the “language” the brain understands.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">True</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">False</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">True</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">How many rows of inner hair cells typically exist at the apex of the cochlea?</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Ten</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Five</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Three</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">One</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">One</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Intense low frequency sounds create a traveling wave that stimulates:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Hair cells mostly at the apex of the cochlea but, also at the base.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Only the hair cells at the apex of the cochlea.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Hair cells mostly at the base of the cochlea but, also at the apex.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Only the hair cells at the base of the cochlea.</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Hair cells mostly at the apex of the cochlea but, also at the base.</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The following statement is true about the </span></span><span style="font-size:12pt"><span style="font-family:'Tahoma'"><u>outer hair cells</u>; they:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Are located in the scala tympani</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Are fewer in number than the inner hair cells</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Decrease our frequency resolution</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Increase our frequency resolution</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Increase our frequency resolution</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Moderate sensorineural hearing loss is an indication of:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Outer hair cell damage</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Inner hair cell damage</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Eighth nerve damage</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">TM damage</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Outer hair cell damage</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Which statement is commonly true for dead hair cell regions?</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">They may only be associated with sensorineural hearing loss</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">They are never found in reverse-slope hearing loss</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">They create dizziness in most patient/clients</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">They are commonly found in sensorineural thresholds above eighty-five to ninety decibels HL.</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">They are commonly found in sensorineural thresholds above eighty-five to ninety decibels HL.</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The auditory processing of complex acoustic information is accomplished by:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Audibility</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Speech-in-noise</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Cognitive function</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Signal-to-noise ratio</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Cognitive function</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Most hearing instrument wearers have a common complaint regarding:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Audibility</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Speech-in-noise</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Cognitive function</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Signal-to-noise ratio</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Speech-in-noise</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Normal hearing people can determine _________ fifty percent of the time.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Audibility</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Speech-in-noise</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Cognitive function</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Signal-to-noise ratio</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Speech-in-noise</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">A one decibel improvement in speech-in-noise performance equates into a performance level of __________.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">One percent</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Five percent</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Ten percent</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Twenty percent</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Ten percent</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The transistor for electronic hearing instruments was developed around:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">1905</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">1925</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">1945</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">1965</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">1945</span></span>