Edelman SPI Exam /Edelman SPI Exam
Preparation/Edelman SPI Practice Exam With Questions
And Correct Answers| Brand New Version!
The direction of motion of a particle in a wave is perpendicular to the direction of
propagation of the wave. What type of wave is this?
A. Longitudinal
B. Acoustic
C. Mechanical
D. Transverse - ans -D. Transverse
A particle within a transverse wave is traveling vertically. What is the direction the
wave's propagation?
A. Horizontal
B. Vertical
C. Diagonal; both horizontal and vertical
D. Cannot be determined - ans -A. Horizontal
Waves that exist at the same location and time will combine. What is this called?
A. inference
B. Rarefaction
C. Interference
D. Longitudinal interaction - ans -C. Interference
Two waves arrive at the same location and interfere. The resultant sound wave is
smaller than either of the two original waves. What is this called?
A. Constructive interference
B. Angular interaction
C. Destructive interference
D. In-phase waves - ans -C. Destructive interference
A pair of waves are in phase, what occurs when these waves interfere?
A. Reflection
B. Constructive interference
C. Refraction
D. Destructive interference - ans -B. Constructive interference
,Which standard ultrasonic imaging, what happens to the period of a wave as it
propagates?
A. Increases
B. Decreases
C. Remains the same - ans -C. Remains the same
What determines the period of an ultrasound wave?
A. The transducer
B. The medium through which the sound travels
C. Both A and B
D. Neither choice A nor B - ans -A. The transducer
Which of the following units are appropriate to describe the period of an acoustic
wave? (more than one answer may apply)
A. Minutes
B. Microseconds
C. Meters
D. mm/μs
E. Cubic centimeters - ans -A. Minutes
B. Microseconds
T/F? The sonographer has the ability to alter the period of an ultrasound wave
that is produced by a basic transducer. - ans -False
What term describes the number of cycles that as acoustic variable completes in a
second?
A. Period
B. Frequency
C. Pulse repetition period
D. Variable rate - ans -Frequency
Which of the following cannot be considered a unit of frequency?
A. Per day
B. Cycles/sec
C. Hz
D. Hertz
,E. Cycles - ans -E. Cycles
What is the range of frequencies emitted by transducers used in ultrasonic
imaging?
A. 1 to 3 Mhz
B. 1 to 1,000 kHz
C. -10,000 to 10,000 Hz
D. 2,000,000 to 15,000,000 Hz - ans -D. 2,000,000 to 15,000,000 Hz
What established the frequency of an ultrasound wave?
A. The transducer
B. The medium through which the sound travels
C. Both A and B
D. Neither choice A nor B - ans -A. The transducer
T/F? With standard ultrasound pulses, the frequency of the ultrasound changes
significantly as the wave propagates through the body. - ans -False
When a sonographer increases the maximum imaging depth during an exam,
what happens to the frequency?
A. Frequency increases
B. Frequency decreases
C. Remains unchanged - ans -D. Remains unchanged
Ultrasound is defined as a sound with a frequency of ________.
A. Greater than 20,000 kHz
B. Less than 1 kHz
C. Greater than 10 MHz
D. Greater than 0.02 MHz - ans -D. Greater than 0.02 MHz
Infrasound is defined as sound with a frequency of ______.
A. Greater than 20,000 kHz
B. Less than 20 Hz
C. Greater than 10 MHz
D. Less than 0.02 MHz - ans -B. Less than 20 Hz
, T/F? Waves in the ultrasound range behave in the same general manner as sound
waves that are audible. - ans -True
T/F? The period of an ultrasound wave is related to the frequency and is the
same, regardless of whether the wave is pulsed or continuous. - ans -True
T/F? If the periods of two waves are the same, then the frequencies of the waves
must also be the same. - ans -True
What determines the initial amplitude of an ultrasound wave?
A. The transducer
B. The medium through which the sounds travels
C. Both A and B
D. Neither choice A nor B - ans -A. The transducer
T/F? With standard diagnostic imaging instrumentation, the sonographer has the
ability to vary the amplitude of a sound wave produced by the transducer. - ans -
True
As an ultrasound wave travels through the body, its amplitude usually:
A. Decreases
B. Increases
C. Remains the same
D. Cannot be determined - ans -A. Decreases
Which of the following are acceptable units for amplitude of an acoustic wave?
(more than 1 answer may be correct)
A. cm
B. Pascals
C. Gauss
D. Watts - ans -A. cm
B. Pascals
The power of an ultrasound wave can be reported with which of the following
units? (more than one answer may be correct.)
A. watts/square centimeter
B. dB/cm
Preparation/Edelman SPI Practice Exam With Questions
And Correct Answers| Brand New Version!
The direction of motion of a particle in a wave is perpendicular to the direction of
propagation of the wave. What type of wave is this?
A. Longitudinal
B. Acoustic
C. Mechanical
D. Transverse - ans -D. Transverse
A particle within a transverse wave is traveling vertically. What is the direction the
wave's propagation?
A. Horizontal
B. Vertical
C. Diagonal; both horizontal and vertical
D. Cannot be determined - ans -A. Horizontal
Waves that exist at the same location and time will combine. What is this called?
A. inference
B. Rarefaction
C. Interference
D. Longitudinal interaction - ans -C. Interference
Two waves arrive at the same location and interfere. The resultant sound wave is
smaller than either of the two original waves. What is this called?
A. Constructive interference
B. Angular interaction
C. Destructive interference
D. In-phase waves - ans -C. Destructive interference
A pair of waves are in phase, what occurs when these waves interfere?
A. Reflection
B. Constructive interference
C. Refraction
D. Destructive interference - ans -B. Constructive interference
,Which standard ultrasonic imaging, what happens to the period of a wave as it
propagates?
A. Increases
B. Decreases
C. Remains the same - ans -C. Remains the same
What determines the period of an ultrasound wave?
A. The transducer
B. The medium through which the sound travels
C. Both A and B
D. Neither choice A nor B - ans -A. The transducer
Which of the following units are appropriate to describe the period of an acoustic
wave? (more than one answer may apply)
A. Minutes
B. Microseconds
C. Meters
D. mm/μs
E. Cubic centimeters - ans -A. Minutes
B. Microseconds
T/F? The sonographer has the ability to alter the period of an ultrasound wave
that is produced by a basic transducer. - ans -False
What term describes the number of cycles that as acoustic variable completes in a
second?
A. Period
B. Frequency
C. Pulse repetition period
D. Variable rate - ans -Frequency
Which of the following cannot be considered a unit of frequency?
A. Per day
B. Cycles/sec
C. Hz
D. Hertz
,E. Cycles - ans -E. Cycles
What is the range of frequencies emitted by transducers used in ultrasonic
imaging?
A. 1 to 3 Mhz
B. 1 to 1,000 kHz
C. -10,000 to 10,000 Hz
D. 2,000,000 to 15,000,000 Hz - ans -D. 2,000,000 to 15,000,000 Hz
What established the frequency of an ultrasound wave?
A. The transducer
B. The medium through which the sound travels
C. Both A and B
D. Neither choice A nor B - ans -A. The transducer
T/F? With standard ultrasound pulses, the frequency of the ultrasound changes
significantly as the wave propagates through the body. - ans -False
When a sonographer increases the maximum imaging depth during an exam,
what happens to the frequency?
A. Frequency increases
B. Frequency decreases
C. Remains unchanged - ans -D. Remains unchanged
Ultrasound is defined as a sound with a frequency of ________.
A. Greater than 20,000 kHz
B. Less than 1 kHz
C. Greater than 10 MHz
D. Greater than 0.02 MHz - ans -D. Greater than 0.02 MHz
Infrasound is defined as sound with a frequency of ______.
A. Greater than 20,000 kHz
B. Less than 20 Hz
C. Greater than 10 MHz
D. Less than 0.02 MHz - ans -B. Less than 20 Hz
, T/F? Waves in the ultrasound range behave in the same general manner as sound
waves that are audible. - ans -True
T/F? The period of an ultrasound wave is related to the frequency and is the
same, regardless of whether the wave is pulsed or continuous. - ans -True
T/F? If the periods of two waves are the same, then the frequencies of the waves
must also be the same. - ans -True
What determines the initial amplitude of an ultrasound wave?
A. The transducer
B. The medium through which the sounds travels
C. Both A and B
D. Neither choice A nor B - ans -A. The transducer
T/F? With standard diagnostic imaging instrumentation, the sonographer has the
ability to vary the amplitude of a sound wave produced by the transducer. - ans -
True
As an ultrasound wave travels through the body, its amplitude usually:
A. Decreases
B. Increases
C. Remains the same
D. Cannot be determined - ans -A. Decreases
Which of the following are acceptable units for amplitude of an acoustic wave?
(more than 1 answer may be correct)
A. cm
B. Pascals
C. Gauss
D. Watts - ans -A. cm
B. Pascals
The power of an ultrasound wave can be reported with which of the following
units? (more than one answer may be correct.)
A. watts/square centimeter
B. dB/cm
