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2024 VERIFIED EDELMEN'S SPI EXAM REVIEW WITH CORRECT ANSWERS
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2024 VERIFIED EDELMEN'S SPI EXAM REVIEW WITH CORRECT ANSWERS
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2024 VERIFIED EDELMEN'S SPIEXAM REVIEW WITH CORRECT
ANSWERS
Sound waves are:
a) electric
b) mechanical, transverse
c) spectral
d) longitudinal, mechanical - CORRECT-ANSWERSD
Which is not an acoustic variable?
a) density
b) pressure
c) distance
d) intensity - CORRECT-ANSWERSD
The effects of soft tissue on ultrasound are called:
a) acoustic proliferation properties
b) dynamic effects
c) acoustic propagation properties
d) biological effects - CORRECT-ANSWERSC
Rectification and smoothing are components of which of the following?
a) amplification
b) decompensaation
c) reject
d) demodulation - CORRECT-ANSWERSD
The speed of sound of ultrasound in soft tissue is closest to:
a) 1,540 km/sec
b) 1.54 km/sec
c) 1,500 m/s
d) 1,540 mm/sec - CORRECT-ANSWERSC
What is the elimination of voltages that do not exceed a certain level?
a) amplification
b) decompensation
c) reject
d) demodulation - CORRECT-ANSWERSC
,What is the name of the receiver function that corrects the for attenuation? -
CORRECT-ANSWERSCompensation
The process of reducing the difference between the smallest and largest
voltages is called ________. - CORRECT-ANSWERScompression
If the lines per frame is increased while the imaging depth is unchanged,
then:
a) frame rate increases
b) number of shades of gray
c) the frame rate decreases
d) this cannot happen - CORRECT-ANSWERSC
T or F: A mirror image artifact can appear along side of true anatomy -
CORRECT-ANSWERSFalse
Enhancement, multipath, and side lobes result in:
a) image distortion
b) clearer images
c) artifact
d) resolution problems - CORRECT-ANSWERSC
The propagation speed of ultrasound in the AIUM test object is:
a) 1m/s
b) 1.54 m/s
c) 1.54 mm/microsec
d) 1km/s - CORRECT-ANSWERSC
if wires in an AIUM test object do not appear in the same place as on the
display, what is amiss?
a) registration accuracy
b) dynamic range accuracy
c) near gain
d) gray scale dynamic range - CORRECT-ANSWERSA
How many data bits are needed to represent 46 gray shades?
a) 46
b) 5
c) 6
d) 8 - CORRECT-ANSWERSC
The Fresnel is the:
a) focus
b) near zone
c) far zone
d) penetration depth - CORRECT-ANSWERSB
, Which of the following is associated with cavitation?
a) thermal index
b) Snell's law
c) Avogadro's number
d) mechanical index - CORRECT-ANSWERSD
Which of the following best describes the mechanistic approach to the study
of bioeffects?
a) cause-effect
b) exposure-response
c) risk-benefit
d) causation-reaction
e) effect-microstreaming - CORRECT-ANSWERSA
Which of the following best describes the empirical approach to the study of
bioeffects?
a) cause-effect
b) exposure-response
c) risk-benefit
d) causation-reaction
e) effect-microstreaming - CORRECT-ANSWERSB
The interaction of microscopic bubbles and ultrasound form the basis for
cavitation bioeffects. Which of the following forms of cavitation are most
likely to produce microstreaming in the intracellular fluid and shear stresses?
a) stable cavitation
b) normal cavitation
c) transient cavitation
d) inertial cavitation
e) active cavitation - CORRECT-ANSWERSA
The consolidation of many images into a single frame best describes which
of the following?
a) dynamic range
b) fill-in interpolation
c) phase quadrate
d) persistance - CORRECT-ANSWERSD
Identify one of the advantages of coded excitation
a) improved contrast resolution
b) improved lateral resolution
c) improved temporal resolution
d) shorter pulse repetition period - CORRECT-ANSWERSA
All of the following are true of normal cavitation EXCEPT:
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