Edelman SPI Comprehensive Exam
Edelman SPI Comprehensive Midterm Exam 1
/Edelman SPI Exam Predictor TEST BANK
/Edelman SPI Practice Exam With Complete
Questions And Correct Answers with Deatailed
Rationales Graded A+
You have the ability to adjust the following controls during an abdominal ultrasound study.
Which control most closely affects patient exposure?
A: Receiver overall gain
B: TGC
C: Dynamic range
D: Reject
E: Output power –
Correct Answer :E: Output power
What effect will you see in the image if you increase the reject level?
A: Increased number of shades of gray
B: Decreased low-level echoes
C: Decreased frame rate
D: Decreased scanning depth
E: Decreased amplitude of the brightest shades of gray –
Correct Answer :B: Decreased low-level echoes
A+ TEST BANK 1
, Edelman SPI Comprehensive Exam
Used to eliminate weak echo signals from the display. - Correct Answer :Reject control
If sound did not attenuate with increasing depth, what system control would you no longer
need?
A: Dynamic range
B: Reject
C: Frame averaging
D: TGC
E: Master gain –
Correct Answer :D: TGC
The term signal-to-noise ratio denotes:
A: The ratio of the electronic noise to the Radiofrequency noise
B: The ratio of the system power to the weakest detectable signal
C: The relative amplitude of the signal compared to the amplitude of the noise
D: The ratio of the largest to the smallest signal that the system can display
E: The ratio of the transducer frequency to the received echo intensity –
Correct Answer :C: The relative amplitude of the signal compared to the amplitude of the noise
TGC is also called? - Correct Answer :Depth gain compensation
Used to amplify echoes from deeper structures so that they appear as bright as similar structures
located at more shallow depths. - Correct Answer :TGC
A+ TEST BANK 2
, Edelman SPI Comprehensive Exam
Used to adjust the amplification of all of the reflected signals, not just those at a specific depth. -
Correct Answer :Master gain
A method employed to reduce the presence of noise in the system. - Correct Answer :System
shielding
What receiver function converts the negative portion of the Radiofrequency (RF) signal to
positive?
A: Compression
B: Demodulation
C: Rectification
D: Enveloping
E: Amplification - Correct Answer :C: Rectification
Preprocessing functions may be defined as:
A: Any function that can be performed on a frozen image
B: A function that takes place in the beam-former and is not controllable by the operator
C: A function that allows increased focusing of the sound beam
D: A function that is performed before the echo data are stored in memory
E: Any function that changes the quality of the ultrasound image
- Correct Answer :D: A function that is performed before the echo data are stored in memory
If it can't be performed on a frozen image, it is ______. If it can be performed on a frozen image
it is ______. - Correct Answer :-Preprocessing
-Postprocessing
Increasing the dynamic range setting affects the ultrasound image by:
A+ TEST BANK 3
, Edelman SPI Comprehensive Exam
A: Increasing image brightness
B: Decreasing image contrast
C: Improving spatial resolution
D: Increasing rejection of low-level echoes
E: Improving signal-to-noise ratio - Correct Answer :B: Decreasing image contrast
When you adjust the TGC, what component of the ultrasound system implements the changes?
A: Pulser
B: Receiver
C: Monitor
D: Scan converter
E: Clock - Correct Answer :B: Receiver
A typical value for the duty factor in diagnostic sonographic imaging is:
A: 80-100%
B: 50-75%
C: 25-45%
D: 5-20%
E: 0.1-1% - Correct Answer :E: 0.1-1%
Pulse repetition period is the inverse of:
A: Duty factor
B: Pulse repetition frequency
C: Frame rate
D: Pulse duration
E: Spatial pulse length - Correct Answer :B: Pulse repetition frequency
A+ TEST BANK 4
Edelman SPI Comprehensive Midterm Exam 1
/Edelman SPI Exam Predictor TEST BANK
/Edelman SPI Practice Exam With Complete
Questions And Correct Answers with Deatailed
Rationales Graded A+
You have the ability to adjust the following controls during an abdominal ultrasound study.
Which control most closely affects patient exposure?
A: Receiver overall gain
B: TGC
C: Dynamic range
D: Reject
E: Output power –
Correct Answer :E: Output power
What effect will you see in the image if you increase the reject level?
A: Increased number of shades of gray
B: Decreased low-level echoes
C: Decreased frame rate
D: Decreased scanning depth
E: Decreased amplitude of the brightest shades of gray –
Correct Answer :B: Decreased low-level echoes
A+ TEST BANK 1
, Edelman SPI Comprehensive Exam
Used to eliminate weak echo signals from the display. - Correct Answer :Reject control
If sound did not attenuate with increasing depth, what system control would you no longer
need?
A: Dynamic range
B: Reject
C: Frame averaging
D: TGC
E: Master gain –
Correct Answer :D: TGC
The term signal-to-noise ratio denotes:
A: The ratio of the electronic noise to the Radiofrequency noise
B: The ratio of the system power to the weakest detectable signal
C: The relative amplitude of the signal compared to the amplitude of the noise
D: The ratio of the largest to the smallest signal that the system can display
E: The ratio of the transducer frequency to the received echo intensity –
Correct Answer :C: The relative amplitude of the signal compared to the amplitude of the noise
TGC is also called? - Correct Answer :Depth gain compensation
Used to amplify echoes from deeper structures so that they appear as bright as similar structures
located at more shallow depths. - Correct Answer :TGC
A+ TEST BANK 2
, Edelman SPI Comprehensive Exam
Used to adjust the amplification of all of the reflected signals, not just those at a specific depth. -
Correct Answer :Master gain
A method employed to reduce the presence of noise in the system. - Correct Answer :System
shielding
What receiver function converts the negative portion of the Radiofrequency (RF) signal to
positive?
A: Compression
B: Demodulation
C: Rectification
D: Enveloping
E: Amplification - Correct Answer :C: Rectification
Preprocessing functions may be defined as:
A: Any function that can be performed on a frozen image
B: A function that takes place in the beam-former and is not controllable by the operator
C: A function that allows increased focusing of the sound beam
D: A function that is performed before the echo data are stored in memory
E: Any function that changes the quality of the ultrasound image
- Correct Answer :D: A function that is performed before the echo data are stored in memory
If it can't be performed on a frozen image, it is ______. If it can be performed on a frozen image
it is ______. - Correct Answer :-Preprocessing
-Postprocessing
Increasing the dynamic range setting affects the ultrasound image by:
A+ TEST BANK 3
, Edelman SPI Comprehensive Exam
A: Increasing image brightness
B: Decreasing image contrast
C: Improving spatial resolution
D: Increasing rejection of low-level echoes
E: Improving signal-to-noise ratio - Correct Answer :B: Decreasing image contrast
When you adjust the TGC, what component of the ultrasound system implements the changes?
A: Pulser
B: Receiver
C: Monitor
D: Scan converter
E: Clock - Correct Answer :B: Receiver
A typical value for the duty factor in diagnostic sonographic imaging is:
A: 80-100%
B: 50-75%
C: 25-45%
D: 5-20%
E: 0.1-1% - Correct Answer :E: 0.1-1%
Pulse repetition period is the inverse of:
A: Duty factor
B: Pulse repetition frequency
C: Frame rate
D: Pulse duration
E: Spatial pulse length - Correct Answer :B: Pulse repetition frequency
A+ TEST BANK 4
