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Chapter 22: Quality Assurance Flashcards | StudBud
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Chapter 22: Quality Assurance
Chapter 22: Quality Assurance
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1
Which of the following is not a requirement for a quality assurance program
update software
Assessment of system components
preventative maintenance
record keeping
2
All of the following may be used to evaluate Doppler systems except
vibrating string phantom
moving belt phantom
Doppler phantom
tissue equivalent phantom
3
Which of the following is not a proper method for quality assurance programs
use constant instrument settings
use a phantom with measurable characteristics
image models that have similar body habitus
test under known, defined conditions
4
Which of the following pins in the tissue equivalent phantom would test for dead zone accuracy
”Pins “C
”Pins “D”
Pins “B
Pins “A”
5
Ability of a system to display low-level echoes
registration accuracy
sensitivity
uniformity
range accuracy
6
Accuracy of reflector depth positioning in all modes of sonography
horizontal calibration
depth calibration
range accuracy
dead zone
7
Tissue equivalent phantoms are similar to soft tissue in all of the following ways except
attenuation
temporal resolution
speed of sound
scattering characteristics
8
Routine, periodic evaluation of an ultrasound system to guarantee optimal image quality
subjective standards
machine applications
quality assurance
quality reassurance
9
Which of the following pins most likely represent axial resolution
pins B
pins A
pins D
pins C
10
Which of the following modes of Doppler may be assessed with Doppler phantom?
power mode Doppler
pulsed Doppler
all of the above
continuous wave Doppler
