RESNA ATP Assistive Technologies Book Questions And Answers
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Course
ATP
Institution
ATP
What is the largest funding source for assistive technologies both devices and
services
~ Medicaid programs. Medicare programs are another major funding source
What is Medicare
~ Medicare was also created in 1965. Medicare initially was focused on the needs of
elderly adults, defined as indi...
What is the best mode of transmission for an EADL that controls a distant
device such as a garage
door opener?
✓✓✓✓~ EADLs are electronic aids to daily living. All of the listed answers are possible
modes of
transmission. However, radio frequency transmission (D) is the best choice for
use with distant
devices like garage door openers because it is not impeded by most materials
except for grounded
metal. Many more functions can be controlled when using house wiring (A), but it
has several
disadvantages in this case, including lack of portability and privacy. Both
ultrasonic (B) and
infrared (C) types are fairly portable, but in each case there must be a direct
path between
,transmitter and receiver, as most materials block their signals.
What is the main difference between the RESNA Code of Ethics and the
RESNA Standards of
Practice for Assistive Technology Practitioners and Suppliers?
✓✓✓✓~ The RESNA Code of Ethics lists specific modes of moral conduct to be adhered to;
it includes a
statement about informing and educating the public about assistive technology,
in addition to
statements related to moral conduct that other disciplines use. (A) is incorrect
because the
Standards of Practice actually is broader in scope that the Code. (B) is wrong
because both are
specific to the Assistive Technology field, although many of the standards are
similar to those given
in other medical standards of practice statements. (D) is incorrect since neither
document actually
outlines a specific quality assurance program.
,What is the threshold for a person being tested by pure tone audiometry?
✓✓✓✓~ In pure tone audiometry, thresholds are generally determined at frequencies
ranging from
0.125 to 8 kHz as the intensity in dB that the person hears each tone 50
percent of the time in each
ear. Decibels represent the amplitude of sound. Intensity (A) also represents a
threshold in terms of
the frequency of audible sound; that is not the meaning of "threshold" in pure
tone audiometry, but
the test does give an idea of the range of audible frequencies. Option (C) is one
threshold for a
normal individual without hearing loss. Option (D) is what is evaluated in another
assessment, the
speech recognition test.
What stage of processing has the greatest effect on reaction time in an
individual with apraxia?
, ✓✓✓✓~ The largest component contributing to reaction time is cognitive processing in the
central
nervous system (CNS). This is true for normal individuals (typically 70 to 300
milliseconds, ms), but
it is amplified in people with apraxia who have an inability to perform complex
movements through
CNS involvement (such as with brain damage) but have intact peripheral
systems. Normally typical
times are up to 38 ms for sensory reception (A), from 2 to 100 ms for neural
transmission to the
CNS (B), 10 to 30 ms for neural conduction to the muscle (D), and 30 to 70 ms
for a fourth
component, latency and activation time of the muscle.
Generally, what is the first step in ascertaining potential sites for control of
assistive devices in a
person with physical disabilities?
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