Edelman SPI Comprehensive Exam /Edelman SPI Exam
Preparation/Edelman SPI Practice Exam With Questions
And Correct Answers| Brand New Version!
What is the frequency of a wave with 1 msec period?
10,000 Hz
1,000 kHz
1 kHz
1MHz - ans -1 kHz
____ is the distance covered by one cycle
pulse length
wavelength
cycle distance
cycle duration - ans -wavelength
Which of the following is determined by the source and the medium?
frequency
period
propagation speed
range resolution - ans -range resolution
propagation speed = ______ * wavelength
pulse duration
period
number of cycles in the pulse
frequency - ans -frequency
As a result of _____ the propagation speed increases
increasing stiffness and increasing density
,increasing stiffness and increasing elasticity
decreasing compressibility and decreasing density
decreasing stiffness and decreasing density - ans -decreasing compressibility and
decreasing density
Put in decreasing order of propagation speed
gas
liquid
solid - ans -solid, liquid, gas
If the frequency of US is increased from 0.77 MHz to 1.54 MHz, what happens to
the wavelength?
doubles
halved
remains the same
4 times greater - ans –halved
Sound waves are:
electrical
mechanical, transverse
spectral
longitudinal, mechanical - ans -longitudinal, mechanical
The speed of US in soft tissue is closest to:
1,540 km/sec
1.54 km/msec
1,500 m/s
1,540 mm/sec - ans -1,500 m/s
The frequency closest to the lower limit of US is:
19,000 kHz
10,000 MHz
,20,000 msec
15,000 Hz - ans -15,000 Hz
Which is not an acoustic variable?
density
pressure
distance
intensity - ans -intensity
The effects of soft tissue on US are called:
acoustic proliferation properties
dynamic effects
acoustic propagation properties
biologic effects - ans -acoustic propagation properties
All of the following are true EXCEPT:
Two waves with identical frequencies must interfere constructively
Constructive interference is associated with waves that are in-phase
Out-of-phase waves interfere destructively
Waves of different frequencies may exhibit both constructive and destructive
interference at different times - ans -Two waves with identical frequencies must
interfere constructively
Put in decreasing order:
deca
deci
micro
centi - ans -deca, deci, centi, micro
____ is the time to complete one cycle.
pulse duration
pulse period
, period
duration period - ans -period
Which of the following sound waves is ultrasonic and least useful in diagnostic
imaging?
30KHz
8 MHz
8,000 Hz
3,000 kHz
15 Hz - ans -30 KHz
A sound wave's frequency is 10MHz. The wave is traveling in soft tissue. What is
the wavelength?
0.15 mm
1.54 mm
15.4 mm
0.77 mm
10 MHz - ans -0.15 mm
If the frequency of an US wave is doubled, what happens to the period?
doubles
halved
remains the same
4 times greater - ans -halved
If the frequency of US is increased from 0.77 MHz to 1.54 MHz, what happens to
the propagation speed?
doubled
halved
remains the same
4 times greater than - ans -remains the same
Preparation/Edelman SPI Practice Exam With Questions
And Correct Answers| Brand New Version!
What is the frequency of a wave with 1 msec period?
10,000 Hz
1,000 kHz
1 kHz
1MHz - ans -1 kHz
____ is the distance covered by one cycle
pulse length
wavelength
cycle distance
cycle duration - ans -wavelength
Which of the following is determined by the source and the medium?
frequency
period
propagation speed
range resolution - ans -range resolution
propagation speed = ______ * wavelength
pulse duration
period
number of cycles in the pulse
frequency - ans -frequency
As a result of _____ the propagation speed increases
increasing stiffness and increasing density
,increasing stiffness and increasing elasticity
decreasing compressibility and decreasing density
decreasing stiffness and decreasing density - ans -decreasing compressibility and
decreasing density
Put in decreasing order of propagation speed
gas
liquid
solid - ans -solid, liquid, gas
If the frequency of US is increased from 0.77 MHz to 1.54 MHz, what happens to
the wavelength?
doubles
halved
remains the same
4 times greater - ans –halved
Sound waves are:
electrical
mechanical, transverse
spectral
longitudinal, mechanical - ans -longitudinal, mechanical
The speed of US in soft tissue is closest to:
1,540 km/sec
1.54 km/msec
1,500 m/s
1,540 mm/sec - ans -1,500 m/s
The frequency closest to the lower limit of US is:
19,000 kHz
10,000 MHz
,20,000 msec
15,000 Hz - ans -15,000 Hz
Which is not an acoustic variable?
density
pressure
distance
intensity - ans -intensity
The effects of soft tissue on US are called:
acoustic proliferation properties
dynamic effects
acoustic propagation properties
biologic effects - ans -acoustic propagation properties
All of the following are true EXCEPT:
Two waves with identical frequencies must interfere constructively
Constructive interference is associated with waves that are in-phase
Out-of-phase waves interfere destructively
Waves of different frequencies may exhibit both constructive and destructive
interference at different times - ans -Two waves with identical frequencies must
interfere constructively
Put in decreasing order:
deca
deci
micro
centi - ans -deca, deci, centi, micro
____ is the time to complete one cycle.
pulse duration
pulse period
, period
duration period - ans -period
Which of the following sound waves is ultrasonic and least useful in diagnostic
imaging?
30KHz
8 MHz
8,000 Hz
3,000 kHz
15 Hz - ans -30 KHz
A sound wave's frequency is 10MHz. The wave is traveling in soft tissue. What is
the wavelength?
0.15 mm
1.54 mm
15.4 mm
0.77 mm
10 MHz - ans -0.15 mm
If the frequency of an US wave is doubled, what happens to the period?
doubles
halved
remains the same
4 times greater - ans -halved
If the frequency of US is increased from 0.77 MHz to 1.54 MHz, what happens to
the propagation speed?
doubled
halved
remains the same
4 times greater than - ans -remains the same
