SPI Exam: Part 4 (Pulse-Echo
Instrumentation) Exam Questions And
Answers
What system control should you adjust to compensate for sound
attenuation with increasing depth?
A. Dynamic range
B. TGC
C. Transmit power
D. Overall receiver gain
E. Focus position -
correct answer ✅B
What system control determines the amount of amplification that
occurs in the receiver?
A. Gain
B. Acoustic power output
C. Rectification
D. Pulse repetition frequency
E. Dynamic range -
correct answer ✅A
,SPI Exam: Part 4 (Pulse-Echo
Instrumentation) Exam Questions And
Answers
When you adjust the output power control, you affect the following
system component:
A. Pulser
B. Beam former
C. Scan converter
D. Memory
E. Receiver -
correct answer ✅A
What system control do you adjust to equalize the differences in
echo amplitudes received from similar structures situated at
different depths?
A. Dynamic range or compression
B. Rectification
C. Time gain compensation
D. Pulse repetition frequency
,SPI Exam: Part 4 (Pulse-Echo
Instrumentation) Exam Questions And
Answers
E. Rejection -
correct answer ✅C
Electronic noise is reduced in the ultrasound system by this
method:
A. Demodulation
B. Compensation
C. Rectification
D. Amplification
E. Rejection -
correct answer ✅E
You have chosen to enlarge an ultrasound image with a read
magnification. Which of the following is NOT related to read
magnification?
A. Preprocessing
B. Increased pixel size
C. Performance on a frozen image
, SPI Exam: Part 4 (Pulse-Echo
Instrumentation) Exam Questions And
Answers
D. Resolution loss
E. B and D only -
correct answer ✅A
What term below describes the rate at which the transmitter
applies electronic voltage pulses to the transducer?
A. Period
B. Pulse repetition frequency
C. Depth gain compensation
D. Demodulation
E. Apodization -
correct answer ✅B
Pulsing of the transmitted sound wave is necessary for real-time
imaging because:
A. The transducer becomes too hot to handle if continuous sound
waves are emitted.
Instrumentation) Exam Questions And
Answers
What system control should you adjust to compensate for sound
attenuation with increasing depth?
A. Dynamic range
B. TGC
C. Transmit power
D. Overall receiver gain
E. Focus position -
correct answer ✅B
What system control determines the amount of amplification that
occurs in the receiver?
A. Gain
B. Acoustic power output
C. Rectification
D. Pulse repetition frequency
E. Dynamic range -
correct answer ✅A
,SPI Exam: Part 4 (Pulse-Echo
Instrumentation) Exam Questions And
Answers
When you adjust the output power control, you affect the following
system component:
A. Pulser
B. Beam former
C. Scan converter
D. Memory
E. Receiver -
correct answer ✅A
What system control do you adjust to equalize the differences in
echo amplitudes received from similar structures situated at
different depths?
A. Dynamic range or compression
B. Rectification
C. Time gain compensation
D. Pulse repetition frequency
,SPI Exam: Part 4 (Pulse-Echo
Instrumentation) Exam Questions And
Answers
E. Rejection -
correct answer ✅C
Electronic noise is reduced in the ultrasound system by this
method:
A. Demodulation
B. Compensation
C. Rectification
D. Amplification
E. Rejection -
correct answer ✅E
You have chosen to enlarge an ultrasound image with a read
magnification. Which of the following is NOT related to read
magnification?
A. Preprocessing
B. Increased pixel size
C. Performance on a frozen image
, SPI Exam: Part 4 (Pulse-Echo
Instrumentation) Exam Questions And
Answers
D. Resolution loss
E. B and D only -
correct answer ✅A
What term below describes the rate at which the transmitter
applies electronic voltage pulses to the transducer?
A. Period
B. Pulse repetition frequency
C. Depth gain compensation
D. Demodulation
E. Apodization -
correct answer ✅B
Pulsing of the transmitted sound wave is necessary for real-time
imaging because:
A. The transducer becomes too hot to handle if continuous sound
waves are emitted.
