HEARING AID DISPENSER LICENSE 2026/2027 100% VERIFIED
QUESTIONS WITH ACCURATE ANSWERS
Boyle's Law applying to hads....
______________ applies to hads in terms of the depth of the
fitting in the ear canal. As the tips of the instrument or
earmold goes deeper into the canal, the physical space or
volume between the tip of the hearing instrument and the TM
decreases, resulting in a higher sound pressure level
produced by the fitting.
Decibels: the logarithmic scale translates to what range of
dynes?
.0002 to 1000 dynes/cm^2 translates to the range of 0-140
decibels.
Decibels cannot be added or subtracted. When the sound
pressure level (SPL) is doubled. The db value is not. The
number of decibels is increased by ____ as a result of the
exponential summation.
Is increased by 6db.
,SPL stands for....
.......... Sound pressure level
Sound Pressure Level (db SPL) references...
..... References 0.0002 dyne/cm^2 or 20 micro Pascals (upa)
Hearing Level (db HL) references......
........ References audiometric 0
Sensation Level (db SL) references..........
.......... References another audiometric value for an individual.
Psychoacoustics
_____________ is the perception of sound. It is the marriage of
the ear and the brain.
,Pitch
___________ the psychological response to frequency
Loudness
________ is the psychological response to intensity. Intensity,
measured in db SPL or HL, is the physical measurement that
expresses signal amplitude.
The normal human ear can respond to a range of frequencies
from about ___Hz to _____ Hz.
20Hz to 20,000 Hz.
Infection Control
________ is a process that involves the rigorous management of
the clinical environment for the specific purpose of minimizing
the potential spread of disease.
Cleaning
, _________ is the removal of gross contamination without
necessarily involving the process of killing germs.
Critical instruments
___________ are reusable instruments or objects that are either:
1) introduced to the blood stream; 2)non-invasive instruments
that come in contact with mucous membranes or bodily
substances; or 3) non-invasive instruments that can nick skin
surfaces
Disinfecting
_________ is a process whereby germs are killed
PPE stands for:
Stands for Personal Protective Equipment
Sterilization
________ is the process whereby 100% of germs (including
endospores) are killed.
QUESTIONS WITH ACCURATE ANSWERS
Boyle's Law applying to hads....
______________ applies to hads in terms of the depth of the
fitting in the ear canal. As the tips of the instrument or
earmold goes deeper into the canal, the physical space or
volume between the tip of the hearing instrument and the TM
decreases, resulting in a higher sound pressure level
produced by the fitting.
Decibels: the logarithmic scale translates to what range of
dynes?
.0002 to 1000 dynes/cm^2 translates to the range of 0-140
decibels.
Decibels cannot be added or subtracted. When the sound
pressure level (SPL) is doubled. The db value is not. The
number of decibels is increased by ____ as a result of the
exponential summation.
Is increased by 6db.
,SPL stands for....
.......... Sound pressure level
Sound Pressure Level (db SPL) references...
..... References 0.0002 dyne/cm^2 or 20 micro Pascals (upa)
Hearing Level (db HL) references......
........ References audiometric 0
Sensation Level (db SL) references..........
.......... References another audiometric value for an individual.
Psychoacoustics
_____________ is the perception of sound. It is the marriage of
the ear and the brain.
,Pitch
___________ the psychological response to frequency
Loudness
________ is the psychological response to intensity. Intensity,
measured in db SPL or HL, is the physical measurement that
expresses signal amplitude.
The normal human ear can respond to a range of frequencies
from about ___Hz to _____ Hz.
20Hz to 20,000 Hz.
Infection Control
________ is a process that involves the rigorous management of
the clinical environment for the specific purpose of minimizing
the potential spread of disease.
Cleaning
, _________ is the removal of gross contamination without
necessarily involving the process of killing germs.
Critical instruments
___________ are reusable instruments or objects that are either:
1) introduced to the blood stream; 2)non-invasive instruments
that come in contact with mucous membranes or bodily
substances; or 3) non-invasive instruments that can nick skin
surfaces
Disinfecting
_________ is a process whereby germs are killed
PPE stands for:
Stands for Personal Protective Equipment
Sterilization
________ is the process whereby 100% of germs (including
endospores) are killed.
