Audiology PRAXIS Questions and Answers with Verified Study
Solutions | Newest Exam | Verified Answers | Just Released 2025
Edition.
Terms in this set (128)
as the distance from a sound source doubles, the sound's
Inverse Square Law
intensity reduces by half the SPL when no obstruction is
present (drop of 6 dB)
What is the relationship between F0= lowest freq component of a complex periodic sound;
fundamental frequencies and harmonic is a regular and repeating multiple of the f0
harmonics?
In which frequencies and at what 30-3000 Hz, 55-65 dB
intensities are most speech
sounds produced?
Define threshold the faintest sound where hearing is audible
SPL= used as output in transducers during audiometric testing
What is the relationship between
(calibrated in SPL) HL= used on audiometer dial, normalized
sound pressure level (SPL) and
SPL scale to zero
hearing level (HL)?
--closest relationship in med freq and largest in low and high
Describe embryology and the otic vesicle forms week 3, auditory placode turns into otic pit.
development of the hearing and week 4 brachial arches form (tensor tympani, stapedius). Week
balance mechanisms 6 auricle forms from hillock, TM forms; ossification of stapes
occurs after birth
Normal processes of auditory 27wks utero: sound awareness
behavior over the lifespan 6 mo: babbling until now not affected
0-2 years: oral language and native sound system
2-3: produce speech in response to written
Language and speech characteristics
marks made 3-6: intention, context,
and development over the
social
lifespan 8: spelling, independence in reading
9: less attention to decoding for meaning
What are the effects of hearing effect of perception (distortion, recruitment, temporal
loss on language and speech? resolution), phonetic features (voicing duration frication
place)
, What are the effects of hearing employer resistance to hiring person with HL (more likely to
loss on educational, vocational, be unemployed), educational deficits with HL due to inability
social, and psychological to understand lecturer, social isolation and depression, lower
functioning? education level, loneliness, stress, reduced physical health
outer ear: collects HF, increases sound pressure to EC, binaural
summation, localization
Describe the function of each of middle: ratio of malleus to incus, size difference of TM to oval
the three major parts of the window, impedance matching
hearing mechanism inner: tonotopicity of BM and VIIIn; SOC localization and freq
analysis; tectorial membrane displacement, HC innervation
what is the function of hair cells IHC: afferently innervated
(outer and inner)? (95%) OHC: efferently
innervated
What are the fluids found in perilymph is in scala vestibili and tympani. endolymph in
the labyrinths of the inner media. Endolymph in semicircular canals.
ear?
what impacts can hearing loss Delay in speech and language, reduced academic achievement
cause for learning in children? and vocabulary, social isolation and poor self-concept,
vocational choices
pre lingual- deafened before they learn speech
Describe the differences in
post lingua- deafened after they learn speech (about age 6)
speech and language
-effects are not as severe for post lingually deafened children;
development between pre- and
need to implant/amplify immediately for prelingual
post lingually deafened
children.
What impacts can hearing loss fatigue, depression, social withdraw, impaired memory,
cause for adults (ex: social reduced quality of life, headaches, increased stress and
isolation)? blood pressure
TORCH: toxoplasmosis, rubella,
Nongenetically caused congenital CMV, herpes CMV: intrauterine
HL
infection
viral exposure (syphilis, herpes simplex)
Genetically caused non syndromic connexin 26, connexin 30
HL
waardenburg (white forelock, upturned nose, facial anomalies,
genetically caused syndromic HL congenital SNHL) Usher (vision loss, HL); pended (thyroid
goiter, EVA) jervell and lange-nielsen (profound HL, irregular
Solutions | Newest Exam | Verified Answers | Just Released 2025
Edition.
Terms in this set (128)
as the distance from a sound source doubles, the sound's
Inverse Square Law
intensity reduces by half the SPL when no obstruction is
present (drop of 6 dB)
What is the relationship between F0= lowest freq component of a complex periodic sound;
fundamental frequencies and harmonic is a regular and repeating multiple of the f0
harmonics?
In which frequencies and at what 30-3000 Hz, 55-65 dB
intensities are most speech
sounds produced?
Define threshold the faintest sound where hearing is audible
SPL= used as output in transducers during audiometric testing
What is the relationship between
(calibrated in SPL) HL= used on audiometer dial, normalized
sound pressure level (SPL) and
SPL scale to zero
hearing level (HL)?
--closest relationship in med freq and largest in low and high
Describe embryology and the otic vesicle forms week 3, auditory placode turns into otic pit.
development of the hearing and week 4 brachial arches form (tensor tympani, stapedius). Week
balance mechanisms 6 auricle forms from hillock, TM forms; ossification of stapes
occurs after birth
Normal processes of auditory 27wks utero: sound awareness
behavior over the lifespan 6 mo: babbling until now not affected
0-2 years: oral language and native sound system
2-3: produce speech in response to written
Language and speech characteristics
marks made 3-6: intention, context,
and development over the
social
lifespan 8: spelling, independence in reading
9: less attention to decoding for meaning
What are the effects of hearing effect of perception (distortion, recruitment, temporal
loss on language and speech? resolution), phonetic features (voicing duration frication
place)
, What are the effects of hearing employer resistance to hiring person with HL (more likely to
loss on educational, vocational, be unemployed), educational deficits with HL due to inability
social, and psychological to understand lecturer, social isolation and depression, lower
functioning? education level, loneliness, stress, reduced physical health
outer ear: collects HF, increases sound pressure to EC, binaural
summation, localization
Describe the function of each of middle: ratio of malleus to incus, size difference of TM to oval
the three major parts of the window, impedance matching
hearing mechanism inner: tonotopicity of BM and VIIIn; SOC localization and freq
analysis; tectorial membrane displacement, HC innervation
what is the function of hair cells IHC: afferently innervated
(outer and inner)? (95%) OHC: efferently
innervated
What are the fluids found in perilymph is in scala vestibili and tympani. endolymph in
the labyrinths of the inner media. Endolymph in semicircular canals.
ear?
what impacts can hearing loss Delay in speech and language, reduced academic achievement
cause for learning in children? and vocabulary, social isolation and poor self-concept,
vocational choices
pre lingual- deafened before they learn speech
Describe the differences in
post lingua- deafened after they learn speech (about age 6)
speech and language
-effects are not as severe for post lingually deafened children;
development between pre- and
need to implant/amplify immediately for prelingual
post lingually deafened
children.
What impacts can hearing loss fatigue, depression, social withdraw, impaired memory,
cause for adults (ex: social reduced quality of life, headaches, increased stress and
isolation)? blood pressure
TORCH: toxoplasmosis, rubella,
Nongenetically caused congenital CMV, herpes CMV: intrauterine
HL
infection
viral exposure (syphilis, herpes simplex)
Genetically caused non syndromic connexin 26, connexin 30
HL
waardenburg (white forelock, upturned nose, facial anomalies,
genetically caused syndromic HL congenital SNHL) Usher (vision loss, HL); pended (thyroid
goiter, EVA) jervell and lange-nielsen (profound HL, irregular
