And Answers
________ is defined as the ratio of two sound intensities
sensitivity
dynamic range
decibel
duty factor -
correct answer ✅decibel
Which of the following patients would need a guardian to sign an
informed content form for a pericardiocentesis?
A patient with Alzheimer's disease
a patient that is accompanied by a translator
A blind patient
A patient with Parkinson's disease -
correct answer ✅A patient with Alzheimer's disease
If the sonographer decreases the image depth, how will this affect
the pulse repetition frequency?
no effect
decrease
not predictable without information on the pulse duration
,SPI Review (URR Practice Exam) Questions
And Answers
increase -
correct answer ✅increase
Which of the following techniques uses the highest intensity beam?
M Mode
B Mode
Power Doppler
PW doppler -
correct answer ✅PW Doppler
Tissue Doppler imaging uses _________________ settings than PW
Doppler.
Higher filter
lower frequencies
higher frequencies
lower filter -
correct answer ✅lower filter
Why does the Doppler tracing not touch the baseline on either
side?
, SPI Review (URR Practice Exam) Questions
And Answers
Decreased rejection setting
spectral broadening
decreased Doppler gain setting
high filter settings -
correct answer ✅high filter settings
________ is defined as the ratio of particle pressure to particle
velocity at a given point within the US beam.
impedance
compression
refraction
dynamic range -
correct answer ✅impedance
Which of the following is a limitation of Analog Doppler?
unable to detect post-stenotic turbulence & spectral broadening
Overestimates high velocities and underestimates low velocities
cannot detect flow velocities over 300cm/s