Edelman SPI Review Pack | Questions &
Answers | 100% Verified | Fast Pass
• The acoustic velocity of ultrasound in bone is
Select one:
1200 m/s
4080 m/s
154 m/s
1540 m/s -✓✓4080 m/s
• Two sound waves are traveling through a medium. One wave is produced by a
flute whereas the other is produced by a bass horn. Which sound wave travels
faster through the medium?
Select one:
the bass horn's
there is no difference in speed
the flute's -✓✓there is no difference in speed
• The time to complete one cycle denotes:
a.Pulse period
b.Period
c.Pulse duration
d.Duration period -✓✓b.
Period
• Please rank the following in order of fastest to slowest propagation speed in soft
tissue. A. soft tissue B. lung C. fat D. bone
Select one:
A. soft tissue, C. fat D. bone, B. lung
D. bone, A. soft tissue B. lung C. fat
D. bone, A. soft tissue, C. fat, B. lung
A. soft tissue B. lung C. fat D. bone -✓✓D. bone, A. soft tissue, C. fat, B. lung
• What is the approximate wavelength of a wave coming from a 3Mhz transducer
that is passing through soft tissue?
Select one:
about 0.1 mm
about 0.5 mm
,about 0.7 mm
about 0.3 mm -✓✓about 0.5 mm
• Sound is a mechanical longitudinal wave.
Select one:
a.True
b.False -✓✓a.
True
• __________ cannot travel through a vacuum.
Select one:
radio waves
light
x rays
sound -✓✓sound
• Which of the following is used to express the prefix "mega"?
Select one:
10 to the fourth power
10 to the sixth power
10 to the second power
10 to the third power -✓✓10 to the sixth power
• The amount of time it takes to complete a single cycle is known as
Select one:
frequency
impedance
period
pulse repetition period -✓✓period
• Which of the following mechanical properties of the medium is most important in
determining the propagation speed of sound in the medium?
Select one:
shape of the medium
physical appearance of the medium
area of the medium
bulk modulus of the medium -✓✓bulk modulus of the medium
, • The useful frequency range for most diagnostic applications is ____________
MHz.
Select one:
a.1-15
b.2-20
c.2-15
d.1-50 -✓✓b.2-20
• 20 kHz is equal to ________ Hz.
Select one:
a.200
b.2000
c.20,000
d.200,000 -✓✓c.20,000
• Destructive interference occurs when
Select one:
one wave is less that the second wave
two waves are 180 degrees out-of-phase with each other
two waves are in-phase with each other
one wave is greater than the other wave -✓✓two waves are 180 degrees out-of-
phase with each other
• The wavelength of a sonic wave is the distance
Select one:
the wave travels in 1 second
between any two crests (peaks) on the wave
between any two troughs (valleys) on the wave
between two consecutive points that are in the same phase on the wave -
✓✓between two consecutive points that are in the same phase on the wave
• Propagation speed is primarily determined by the ________ of the medium.
Select one:
a.density
b.thickness
c.stiffness
d.content -✓✓stiffness
• Propagation speed is higher in ________ than in soft tissue.
Answers | 100% Verified | Fast Pass
• The acoustic velocity of ultrasound in bone is
Select one:
1200 m/s
4080 m/s
154 m/s
1540 m/s -✓✓4080 m/s
• Two sound waves are traveling through a medium. One wave is produced by a
flute whereas the other is produced by a bass horn. Which sound wave travels
faster through the medium?
Select one:
the bass horn's
there is no difference in speed
the flute's -✓✓there is no difference in speed
• The time to complete one cycle denotes:
a.Pulse period
b.Period
c.Pulse duration
d.Duration period -✓✓b.
Period
• Please rank the following in order of fastest to slowest propagation speed in soft
tissue. A. soft tissue B. lung C. fat D. bone
Select one:
A. soft tissue, C. fat D. bone, B. lung
D. bone, A. soft tissue B. lung C. fat
D. bone, A. soft tissue, C. fat, B. lung
A. soft tissue B. lung C. fat D. bone -✓✓D. bone, A. soft tissue, C. fat, B. lung
• What is the approximate wavelength of a wave coming from a 3Mhz transducer
that is passing through soft tissue?
Select one:
about 0.1 mm
about 0.5 mm
,about 0.7 mm
about 0.3 mm -✓✓about 0.5 mm
• Sound is a mechanical longitudinal wave.
Select one:
a.True
b.False -✓✓a.
True
• __________ cannot travel through a vacuum.
Select one:
radio waves
light
x rays
sound -✓✓sound
• Which of the following is used to express the prefix "mega"?
Select one:
10 to the fourth power
10 to the sixth power
10 to the second power
10 to the third power -✓✓10 to the sixth power
• The amount of time it takes to complete a single cycle is known as
Select one:
frequency
impedance
period
pulse repetition period -✓✓period
• Which of the following mechanical properties of the medium is most important in
determining the propagation speed of sound in the medium?
Select one:
shape of the medium
physical appearance of the medium
area of the medium
bulk modulus of the medium -✓✓bulk modulus of the medium
, • The useful frequency range for most diagnostic applications is ____________
MHz.
Select one:
a.1-15
b.2-20
c.2-15
d.1-50 -✓✓b.2-20
• 20 kHz is equal to ________ Hz.
Select one:
a.200
b.2000
c.20,000
d.200,000 -✓✓c.20,000
• Destructive interference occurs when
Select one:
one wave is less that the second wave
two waves are 180 degrees out-of-phase with each other
two waves are in-phase with each other
one wave is greater than the other wave -✓✓two waves are 180 degrees out-of-
phase with each other
• The wavelength of a sonic wave is the distance
Select one:
the wave travels in 1 second
between any two crests (peaks) on the wave
between any two troughs (valleys) on the wave
between two consecutive points that are in the same phase on the wave -
✓✓between two consecutive points that are in the same phase on the wave
• Propagation speed is primarily determined by the ________ of the medium.
Select one:
a.density
b.thickness
c.stiffness
d.content -✓✓stiffness
• Propagation speed is higher in ________ than in soft tissue.
