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SLHS 305 Exam Pack Questions and Answers | New One | Grade A+
SLHS 305 Exam Pack Questions and Answers | New One | Grade A+
[Show more]SLHS 305 Exam Pack Questions and Answers | New One | Grade A+
[Show more]5 general divisions of the ear 
Ans: outer 
middle 
inner 
8th cranial nerve 
Peripheral sensory organs 
Ans: semicircular canals 
saccute 
utricle 
what are the otolith organs 
Ans: utricle 
saccule 
Temporal bone 
Ans: part of the skull where ear is located 
auricle 
Ans: the outside part of th...
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Add to cart5 general divisions of the ear 
Ans: outer 
middle 
inner 
8th cranial nerve 
Peripheral sensory organs 
Ans: semicircular canals 
saccute 
utricle 
what are the otolith organs 
Ans: utricle 
saccule 
Temporal bone 
Ans: part of the skull where ear is located 
auricle 
Ans: the outside part of th...
7th cranial nerve 
Ans: facial nerve 
8th cranial nerve 
Ans: see above diagram^, sensorineural part of inner ear 
afferent neuron 
Ans: nerve fibers that carry impulses from the sensory organs (peripheral) toward the brain 
(central); approximately 31,000 afferent auditory neurons come from each c...
Preview 3 out of 29 pages
Add to cart7th cranial nerve 
Ans: facial nerve 
8th cranial nerve 
Ans: see above diagram^, sensorineural part of inner ear 
afferent neuron 
Ans: nerve fibers that carry impulses from the sensory organs (peripheral) toward the brain 
(central); approximately 31,000 afferent auditory neurons come from each c...
Pinna (Auricle) 
Ans: outer ear, primarily made of cartilage, collects auditory stimuli and funnels it into ear 
canal 
Concha 
Ans: outer ear, deep center portion 
external auditory meatus 
Ans: outer ear, opening to the external auditory canal 
external auditory canal 
Ans: outer ear, 2-3cm in le...
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Add to cartPinna (Auricle) 
Ans: outer ear, primarily made of cartilage, collects auditory stimuli and funnels it into ear 
canal 
Concha 
Ans: outer ear, deep center portion 
external auditory meatus 
Ans: outer ear, opening to the external auditory canal 
external auditory canal 
Ans: outer ear, 2-3cm in le...
To vibrate, a source must have these 2 properties 
Ans: Mass and elasticity 
A source of sound must be able to __________ 
Ans: Vibrate 
Elasticity 
Ans: The ability to come back to rest 
To transmit sound, a medium must be capable of _______________ 
Ans: Being set into vibration 
The medium must h...
Preview 3 out of 21 pages
Add to cartTo vibrate, a source must have these 2 properties 
Ans: Mass and elasticity 
A source of sound must be able to __________ 
Ans: Vibrate 
Elasticity 
Ans: The ability to come back to rest 
To transmit sound, a medium must be capable of _______________ 
Ans: Being set into vibration 
The medium must h...
Pinna (2 functions) 
Ans: outer ear 
-sound transmission and localization 
-middle ear protection 
External auditory meatus 
Ans: protects against things getting in the ear 
What is the division of the ear canal? 
Ans: 1/3 cartilaginous, 2/3 bony 
What is the narrowing of the ear canal called? Where...
Preview 3 out of 22 pages
Add to cartPinna (2 functions) 
Ans: outer ear 
-sound transmission and localization 
-middle ear protection 
External auditory meatus 
Ans: protects against things getting in the ear 
What is the division of the ear canal? 
Ans: 1/3 cartilaginous, 2/3 bony 
What is the narrowing of the ear canal called? Where...
what are the two main functions of the outer ear (pinna)? 
Ans: sound localization and middle ear protection 
Where is the endolymph found and what charge does it have? 
Ans: in the scala media; positive charge 
Where is the scala vestibuli located? 
Ans: in the upper portion 
where does a low frequ...
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Add to cartwhat are the two main functions of the outer ear (pinna)? 
Ans: sound localization and middle ear protection 
Where is the endolymph found and what charge does it have? 
Ans: in the scala media; positive charge 
Where is the scala vestibuli located? 
Ans: in the upper portion 
where does a low frequ...
Psychoacoustics 
Ans: -the study of psychological response to acoustical stimulation 
-how you process sound and speech and respond to it 
Threshold 
Ans: -a certain intensity above which the organism always responds to the stimulus and 
below which it never does 
-LOWER THRESHOLDS ARE BETTER!!! 
-...
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Add to cartPsychoacoustics 
Ans: -the study of psychological response to acoustical stimulation 
-how you process sound and speech and respond to it 
Threshold 
Ans: -a certain intensity above which the organism always responds to the stimulus and 
below which it never does 
-LOWER THRESHOLDS ARE BETTER!!! 
-...
Transduction 
Ans: The change in sound energy from one form to another 
Impedance mismatch in the ear 
Ans: 30 dB SPL loss at the oval window 
Function of the middle ear 
Ans: Equalizes pressure 
Resting potential of the scala media 
Ans: +80 mv 
Transduction stages (earliest-latest) 
Ans: 1. Conden...
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Add to cartTransduction 
Ans: The change in sound energy from one form to another 
Impedance mismatch in the ear 
Ans: 30 dB SPL loss at the oval window 
Function of the middle ear 
Ans: Equalizes pressure 
Resting potential of the scala media 
Ans: +80 mv 
Transduction stages (earliest-latest) 
Ans: 1. Conden...
endolymph 
Ans: cochlear fluid w high K, low Na 
tectorial membrane 
Ans: the stereocilia are attached to this 
Heschl's gyrus 
Ans: primary auditory cortex 
reticular lamina 
Ans: upper surface of the organ of Corti, which is composed of a tight mosaic of the tops of 
all the cells 
stria vascula...
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Add to cartendolymph 
Ans: cochlear fluid w high K, low Na 
tectorial membrane 
Ans: the stereocilia are attached to this 
Heschl's gyrus 
Ans: primary auditory cortex 
reticular lamina 
Ans: upper surface of the organ of Corti, which is composed of a tight mosaic of the tops of 
all the cells 
stria vascula...
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