Exam (elaborations)
IHS Online Course Questions and Answers Graded A+
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Exam of 33 pages for the course IHS at IHS (IHS Online Course)
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IHS Online CourseProfessionalism can be defined as practicing with - answer work ethic,
a high-performance standard,
accountability
The legal aspects of professional practice are defined through - answer local and
national laws and regulations
Ethical conduct - answer is the expectation that a practitioner will conduct
himself/herself in a socially acceptable manner and in a way that is consistent with
members of the professional organization
Accurate and precise clinical documentation is important to success and the
professional status of a hearing instrument specialist True/False - answer True
The acronym H-E-A-R can be used as a device to remember how to construct
__________ in a logical and consistent manner. - answerclinical notes
Inter-professional collaboration leads to __________ . - answerimproved patient/client
care
A code of ethics provides guiding principles for professional conduct and may be used
to help you resolve potential conflicts of interest True/False - answerTrue
Lifelong learning is another term for __________ - answercontinued professional
development
The development of a professional library is __________ - answera pursuit of true
professionals
"Ethics" - answerreflects norms that guide human conduct or behavior
A violation of a Code of Ethical Conduct can result in - answersanctions by the
professional society in which you hold membership,
criminal and civil penalties,
revocation of licensure/certification
Societal expectations determine public policy which is then formulated into professional
Codes of Ethics that state how members of that group are expected to act and interact
with others True/False - answerTrue
,Law formally codifies ethical dilemmas into - answerwritten form and specifies sanctions
for non-compliance
Consumer protection laws are enforced alongside other statutes True/False -
answerTrue
It is the responsibility of ____________________ to be knowledgeable of the laws and
codes of conduct that impact on hearing instrument specialists - answerthe
apprentice/trainee,
the trainer,
the employer
A pure tone is specified in __________ - answerHertz or cycles per second
Human hearing extends over such a vast intensity range of __________ dynes/cm2
which is compressed into a range of __________ decibels - answer0.0002 to 1000;
0 to 140
The difference in phase for sounds arriving simultaneously at both ears contributes to a
listener's ability to localize a sound source True/False - answerTrue
A shorter wavelength results in a ______ - answerHigher frequency
The natural tendency for a system to vibrate with greater amplitude at one frequency
than at others when a driving force whose frequency is at or close to the natural
frequency of the system is called _________ - answerresonance
The reference for dB HL is __________ - answeraudiometric zero
The reference for dB SPL is __________ - answer0.0002 dynes/cm2
The reference for dB SL is __________ - answeranother audiometric value
Boyle's Law states __________ - answeras the physical volume of a gas decreases, the
pressure of the gas increases
The perceptual match for intensity is __________ and the perceptual match for
frequency is __________ - answerloudness;
pitch
The auditory system follows a power law which is a logarithmic scale. In a logarithmic
scale, a 10 dB increase in intensity ________ the loudness over most of the audible
range - answerdoubles
The normal human ear can respond to a range of frequencies from about __________ -
answer20 to 20,000 Hz
,The concept of critical bands and frequency resolution contribute to our ability to -
answerhear effectively in background noise;
discriminate between two sounds that are very close in frequency
Low and extremely high frequencies require more intensity to be just barely audible as
compared to the middle range of frequencies True/False - answerTrue
The hearing instrument specialist is legally and ethically obligated to practice infection
control standards that are consistent with federal/national and local jurisdictional safety
laws and/or guidelines True/False - answerTrue
In the context of infection control "standard precautions" refers to - answera set of
infection control practices designed to prevent the transmission of disease
"Work practice controls" are - answera written policy that outlines specific procedures
that must be performed to minimize the spread of disease
At a minimum gloves must be worn when - answeraccepting a hearing instrument from
a patient/client;
removing an ear impression
Cleaning, disinfecting, and sterilization differ as follows - answercleaning does not kill
germs;
disinfecting kills germs;
sterilization kills 100% of the germs plus endospores
A family member brings another's hearing instrument for service and the aid is placed
on the surface of the workbench. It is caked with debris, presumably cerumen, and
needs extensive cleaning. Bits of material fall all over the workbench. After addressing
the concerns about the hearing instrument - answerthe touch surface is cleaned and
disinfected
Cold sterilization involves - answersoaking cleaned critical instruments in an approved
and appropriate chemical for the number of hours specified
Examples of semi-critical instruments are - answerotoscope specula;
reusable earmolds or eartips;
cerumen removal instruments
It is necessary to perform hand hygiene procedures immediately after glove removal
True/False - answerTrue
Hand hygiene refers to - answerwashing hands with soap;
the use of alcohol-based hand sanitizers
, The fleshy part of the ear that protrudes from the side of the head is called the -
answerauricle or pinna
The average adult's ear canal is about ______ inch in length and about ______ inch in
diameter - answer1;
1/4
An important ear canal landmark for ear impressions is the - answersecond bend
The cone of light is - answera reflection of the light from an otoscope on the tympanic
membrane
The external auditory canal's resonant frequency is - answerabout 2700 Hz and varies
slightly from person to person
The normal tympanic membrane has a typical appearance characterized as -
answerpearly grayish and oval
The structure of the tympanic membrane is made up of - answer3 layers
Hearing instrument specialists can state the cause of a hearing loss True/False -
answerFalse
Abnormalities of the outer or middle ear can cause __________ hearing loss -
answerconductive
Abnormalities of the brain can cause __________ hearing loss - answercentral
Abnormalities of both the inner and outer/middle ear can cause __________ hearing
loss - answermixed
Abnormalities of the inner ear can cause __________ hearing loss -
answersensory/neural
It is important to know whether the ear canal is clear before testing hearing because -
answerimpacted cerumen can cause hearing loss; excessive cerumen can prevent full
view of the tympanic membrane
Ear drainage of any kind requires medical referral True/False - answerTrue
The ossicles are the smallest bones in the body. True/False - answerTrue
The Latin names of the ossicles are: - answermalleus,
incus,
stapes
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