1|Page
ARDMS SPI Exam 2025 with our study guide, practice tests, and
preparation tips for sonography principles and instrumentation
certification 150 QUESTIONS AND CORRECT ANSWERS
ARDMS SPI exam 2025
ARDMS SPI study guide PDF
ARDMS SPI practice test free
ARDMS SPI exam questions and answers
How to pass ARDMS SPI exam
ARDMS SPI certification ultrasound physics
ARDMS SPI sonography principles and instrumentation
ARDMS SPI exam requirements 2025
ARDMS SPI exam cost and eligibility
ARDMS SPI exam preparation tips
ARDMS SPI exam sample questions
Which instrument controls affects the amplitude (db) of the outgoing signal?
A. Gain
B. Reciever gain
C. Transmit gain
D. Overall gain - ANSWER-c. Transmit gain
Which of the following is used to convert doppler shift information into color?
A. High PRF
B. Fast Fourier transform
C. Autocorrelation
D. Time interval histogram - ANSWER-c. Autocorrelation
The best way to increase the near field length of an ultrasound beam is to - ANSWER-increase
transducer diameter
, 2|Page
The range frequencies produced by a damped PZT element is called
A. Q factor
B. Near field
C. Band width - ANSWER-c. Band width
The percentage of time that the ultrasound instrument is remitting ultrasound is called
A. PRF
B. Pulse duration
C. Pulse repetition period
D. Duty factor - ANSWER-d. Duty factor
The unit of duty factor
A. Hz
B. Mm
C. Ms
D. Unitless - ANSWER-d. Unitless
If the depth is increases, what change will occur to the PRP?
A. Decrease
B. No change
C. Increase
D. Halved - ANSWER-c. Increase
Frequency is reduced from 8mhz to 4 mhz, what will be the result to the acoustic frequency?
A. Increase
B. No change
C. Decrease - ANSWER-b. No change
Multiple echoes. Equally spaced originating from a gas bubble is called
A. Comet tail
B. Ring down
C. Slice thickness artifact
D. Mulipath - ANSWER-b. Ring down
ARDMS SPI Exam 2025 with our study guide, practice tests, and
preparation tips for sonography principles and instrumentation
certification 150 QUESTIONS AND CORRECT ANSWERS
ARDMS SPI exam 2025
ARDMS SPI study guide PDF
ARDMS SPI practice test free
ARDMS SPI exam questions and answers
How to pass ARDMS SPI exam
ARDMS SPI certification ultrasound physics
ARDMS SPI sonography principles and instrumentation
ARDMS SPI exam requirements 2025
ARDMS SPI exam cost and eligibility
ARDMS SPI exam preparation tips
ARDMS SPI exam sample questions
Which instrument controls affects the amplitude (db) of the outgoing signal?
A. Gain
B. Reciever gain
C. Transmit gain
D. Overall gain - ANSWER-c. Transmit gain
Which of the following is used to convert doppler shift information into color?
A. High PRF
B. Fast Fourier transform
C. Autocorrelation
D. Time interval histogram - ANSWER-c. Autocorrelation
The best way to increase the near field length of an ultrasound beam is to - ANSWER-increase
transducer diameter
, 2|Page
The range frequencies produced by a damped PZT element is called
A. Q factor
B. Near field
C. Band width - ANSWER-c. Band width
The percentage of time that the ultrasound instrument is remitting ultrasound is called
A. PRF
B. Pulse duration
C. Pulse repetition period
D. Duty factor - ANSWER-d. Duty factor
The unit of duty factor
A. Hz
B. Mm
C. Ms
D. Unitless - ANSWER-d. Unitless
If the depth is increases, what change will occur to the PRP?
A. Decrease
B. No change
C. Increase
D. Halved - ANSWER-c. Increase
Frequency is reduced from 8mhz to 4 mhz, what will be the result to the acoustic frequency?
A. Increase
B. No change
C. Decrease - ANSWER-b. No change
Multiple echoes. Equally spaced originating from a gas bubble is called
A. Comet tail
B. Ring down
C. Slice thickness artifact
D. Mulipath - ANSWER-b. Ring down
