IHS CORRECT EXAMS ALL ANSWERS AND
QUESTIONS SET A+
✔✔The middle ear system is often referred to as: - ✔✔An impedance matching
transformer.
✔✔The middle ear cavity, as a transducer changes energy from one form to another.
The energy changes from: - ✔✔Acoustic energy to mechanical energy to hydraulic
energy.
✔✔The middle ear muscles contract, resulting in: - ✔✔An acoustic reflex.
✔✔The Eustachian tube begins in the lower portion of the tympanic cavity and ends at
the: - ✔✔Nasopharynx.
✔✔The Eustachian tube of a child is: - ✔✔Straight, short, horizontal.
✔✔A cholesteatoma: - ✔✔-Occurs in the middle ear
-May perforate the eardrum
-Is usually accompanied by a constant odorous discharge.
✔✔Change in either stiffness or mass occur when the normal middle ear function is
altered by disease or trauma causing: - ✔✔A feeling of stuffiness or a complaint of
hearing in a barrel.
✔✔Otosclerosis: - ✔✔Occurs more often in women than men
Occurs more often in Caucasians than other races
Appears to be inherited
✔✔Most dysfunctions of the outer or middle ear cause a: - ✔✔Conductive loss.
✔✔Otitis media may occur with: - ✔✔Fluid in the middle ear.
,✔✔A plastic or steel strut replaces the stapes during a: - ✔✔Stapedectomy.
✔✔Treatment for chronic otitis media may include: - ✔✔-Antibiotics
-Inflation of the Eustachian Tube
-Myringotomy
✔✔A radical mastiodectomy incudes removal of: - ✔✔Ossicular chain, mastoid.
✔✔The ossicular chain is supported and suspended by: - ✔✔Stapedius, tensor tympani
and ligaments.
✔✔The ear, due to its physical characteristics, enhances which frequencies? -
✔✔2,000-5,000 Hz.
✔✔In a cross section of the cochlea, the minimum number of rows of hair cells you can
see is: - ✔✔4
✔✔The total number of neural fibers or neurons in the human auditory nerve is about? -
✔✔30,000
✔✔The basilar membrane separates: - ✔✔The scala media and the scala tympani
✔✔The scala tympani is filled with: - ✔✔Perilymph
✔✔The base of the cochlea: - ✔✔begins at the oval window
✔✔The fibers of the auditory nerve, at the point of maximum stimulation of the basilar
membrane, discharge and recover at a rate of approximately: - ✔✔Up to 1Khz identical
to the stimulus frequency.
✔✔The cochlea, acting as a frequency analyzer, distributes acoustic stimuli to places
along the basilar membranes according to frequency, This forms the basis of a
hypothesis called the: - ✔✔Place theory.
✔✔Each of the semi-circular canals: - ✔✔-Are orinted at 90 degrees to one another.
-Contain perilymph and endolymph.
-Detect positioning and balance.
✔✔Collections of nerve fibers are called: - ✔✔Ganglia and nuclei.
✔✔Afferent fibers: - ✔✔Transmit from cochlea to the brain.
, ✔✔Which of the following is a result of tissue and structure damage? - ✔✔A threshold
shift
Distortion of perception of frequncies
Disturbance of perception of loudness
✔✔A sensorineural hearing loss is due to a disorder in the: - ✔✔Inner ear.
✔✔A symptom of recruitment is: - ✔✔Intolerance for loud sounds.
✔✔Malingering is a category of: - ✔✔Non-organic loss.
✔✔Meniere's syndrome consists of: - ✔✔Tinnitus, vertigo, and hearing loss.
✔✔An organic disorder is when there is damage to: - ✔✔-The hearing mechanism
-The neural pathways
-The brain
✔✔Loudness recruitment: - ✔✔Refers to abnormal loudness growth of clients with
sensorineural hearing.
✔✔Tinnitus is: - ✔✔Often managed by hearing instruments or tinnitus maskers.
✔✔A characteristic of a conductive loss is: - ✔✔A soft spoken patient.
✔✔This is not a characteristic of sensorineural loss? - ✔✔Hearing better in noise than in
quiet.
✔✔What is a characteristic of a sensorineural loss? - ✔✔-Loud talker
-Difficulty understanding high frequency consonants sounds
-Recruitment
-Tinnitus often preceeds it.
✔✔A dial on the audiometer to control the decibels of output is called - ✔✔-A hearing
level dial
-An attenuator dial
✔✔Audiometric zero for pure tones is higher than the standard reference level by about:
- ✔✔Differs each frequency
✔✔ANSI stands for: - ✔✔American National Standards Institute
✔✔The audiometer is designed so that zero on the attenuator dial: - ✔✔Represents the
level of normal hearing for that frequeny.
QUESTIONS SET A+
✔✔The middle ear system is often referred to as: - ✔✔An impedance matching
transformer.
✔✔The middle ear cavity, as a transducer changes energy from one form to another.
The energy changes from: - ✔✔Acoustic energy to mechanical energy to hydraulic
energy.
✔✔The middle ear muscles contract, resulting in: - ✔✔An acoustic reflex.
✔✔The Eustachian tube begins in the lower portion of the tympanic cavity and ends at
the: - ✔✔Nasopharynx.
✔✔The Eustachian tube of a child is: - ✔✔Straight, short, horizontal.
✔✔A cholesteatoma: - ✔✔-Occurs in the middle ear
-May perforate the eardrum
-Is usually accompanied by a constant odorous discharge.
✔✔Change in either stiffness or mass occur when the normal middle ear function is
altered by disease or trauma causing: - ✔✔A feeling of stuffiness or a complaint of
hearing in a barrel.
✔✔Otosclerosis: - ✔✔Occurs more often in women than men
Occurs more often in Caucasians than other races
Appears to be inherited
✔✔Most dysfunctions of the outer or middle ear cause a: - ✔✔Conductive loss.
✔✔Otitis media may occur with: - ✔✔Fluid in the middle ear.
,✔✔A plastic or steel strut replaces the stapes during a: - ✔✔Stapedectomy.
✔✔Treatment for chronic otitis media may include: - ✔✔-Antibiotics
-Inflation of the Eustachian Tube
-Myringotomy
✔✔A radical mastiodectomy incudes removal of: - ✔✔Ossicular chain, mastoid.
✔✔The ossicular chain is supported and suspended by: - ✔✔Stapedius, tensor tympani
and ligaments.
✔✔The ear, due to its physical characteristics, enhances which frequencies? -
✔✔2,000-5,000 Hz.
✔✔In a cross section of the cochlea, the minimum number of rows of hair cells you can
see is: - ✔✔4
✔✔The total number of neural fibers or neurons in the human auditory nerve is about? -
✔✔30,000
✔✔The basilar membrane separates: - ✔✔The scala media and the scala tympani
✔✔The scala tympani is filled with: - ✔✔Perilymph
✔✔The base of the cochlea: - ✔✔begins at the oval window
✔✔The fibers of the auditory nerve, at the point of maximum stimulation of the basilar
membrane, discharge and recover at a rate of approximately: - ✔✔Up to 1Khz identical
to the stimulus frequency.
✔✔The cochlea, acting as a frequency analyzer, distributes acoustic stimuli to places
along the basilar membranes according to frequency, This forms the basis of a
hypothesis called the: - ✔✔Place theory.
✔✔Each of the semi-circular canals: - ✔✔-Are orinted at 90 degrees to one another.
-Contain perilymph and endolymph.
-Detect positioning and balance.
✔✔Collections of nerve fibers are called: - ✔✔Ganglia and nuclei.
✔✔Afferent fibers: - ✔✔Transmit from cochlea to the brain.
, ✔✔Which of the following is a result of tissue and structure damage? - ✔✔A threshold
shift
Distortion of perception of frequncies
Disturbance of perception of loudness
✔✔A sensorineural hearing loss is due to a disorder in the: - ✔✔Inner ear.
✔✔A symptom of recruitment is: - ✔✔Intolerance for loud sounds.
✔✔Malingering is a category of: - ✔✔Non-organic loss.
✔✔Meniere's syndrome consists of: - ✔✔Tinnitus, vertigo, and hearing loss.
✔✔An organic disorder is when there is damage to: - ✔✔-The hearing mechanism
-The neural pathways
-The brain
✔✔Loudness recruitment: - ✔✔Refers to abnormal loudness growth of clients with
sensorineural hearing.
✔✔Tinnitus is: - ✔✔Often managed by hearing instruments or tinnitus maskers.
✔✔A characteristic of a conductive loss is: - ✔✔A soft spoken patient.
✔✔This is not a characteristic of sensorineural loss? - ✔✔Hearing better in noise than in
quiet.
✔✔What is a characteristic of a sensorineural loss? - ✔✔-Loud talker
-Difficulty understanding high frequency consonants sounds
-Recruitment
-Tinnitus often preceeds it.
✔✔A dial on the audiometer to control the decibels of output is called - ✔✔-A hearing
level dial
-An attenuator dial
✔✔Audiometric zero for pure tones is higher than the standard reference level by about:
- ✔✔Differs each frequency
✔✔ANSI stands for: - ✔✔American National Standards Institute
✔✔The audiometer is designed so that zero on the attenuator dial: - ✔✔Represents the
level of normal hearing for that frequeny.
