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[Show more]SPI MOCK EXAM QUESTIONS & ANSWERS 2023/2024 
 
When the ELASTICITY of a medium is HIGH, the _____ is HIGH 
 
- stiffness 
- prop. speed 
- compressibility 
- reflectivity - ANSWER-compressibility 
 
What term describes the # of cycles that an acoustic variable completes in a second? 
 
- period ...
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Add to cartSPI MOCK EXAM QUESTIONS & ANSWERS 2023/2024 
 
When the ELASTICITY of a medium is HIGH, the _____ is HIGH 
 
- stiffness 
- prop. speed 
- compressibility 
- reflectivity - ANSWER-compressibility 
 
What term describes the # of cycles that an acoustic variable completes in a second? 
 
- period ...
SPI mock exam questions & answers 2023/2024 
 
Reducing the likelihood of bioeffects from acoustic energy is the mission of the: 
 
A. Nyquist limit 
B. Reynolds number 
C. Huygens principle 
D. ALARA principle 
E. Poiseuille principle - ANSWER-D. ALARA principle 
 
The number of cycles in a pul...
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Add to cartSPI mock exam questions & answers 2023/2024 
 
Reducing the likelihood of bioeffects from acoustic energy is the mission of the: 
 
A. Nyquist limit 
B. Reynolds number 
C. Huygens principle 
D. ALARA principle 
E. Poiseuille principle - ANSWER-D. ALARA principle 
 
The number of cycles in a pul...
SPI MOCK EXAM QUESTIONS & ANSWERS 2023/2024 
 
A transducer with which frequency would have the thickest element(s)? 
2 MHz 
3.5 MHz 
5 MHz 
7.5 MHz - ANSWER-7.5 MHz 
 
An ultrasound transducer converts: 
Electrical energy into light and heat 
Electrical energy into mechanical energy 
Mechanical ene...
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Add to cartSPI MOCK EXAM QUESTIONS & ANSWERS 2023/2024 
 
A transducer with which frequency would have the thickest element(s)? 
2 MHz 
3.5 MHz 
5 MHz 
7.5 MHz - ANSWER-7.5 MHz 
 
An ultrasound transducer converts: 
Electrical energy into light and heat 
Electrical energy into mechanical energy 
Mechanical ene...
Ultrasound Physics - Mock Exam Questions for SPI 2023/2024 
 
Which of the following transducers will have the worst axial resolution? 
a. Vector array, 3 MHz 
b. Linear Sequential Array, 6 MHZ 
c. Linear Phased Array 7.5 MHZ 
d. Annular Array, 6 MHz - ANSWER-Vector array, 3 MHz 
 
A sound wave is t...
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Add to cartUltrasound Physics - Mock Exam Questions for SPI 2023/2024 
 
Which of the following transducers will have the worst axial resolution? 
a. Vector array, 3 MHz 
b. Linear Sequential Array, 6 MHZ 
c. Linear Phased Array 7.5 MHZ 
d. Annular Array, 6 MHz - ANSWER-Vector array, 3 MHz 
 
A sound wave is t...
SPI Practice Test Questions & Answers 2023/2024 
 
Which of the following do the source and the medium determine? 
 
a. duty factor 
b. frequency 
c. propagation speed 
d. axial resolution - ANSWER-d. 
 
Axial resolution is affected by all of the following EXCEPT 
 
a. frequency 
b. damping 
c. spat...
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Add to cartSPI Practice Test Questions & Answers 2023/2024 
 
Which of the following do the source and the medium determine? 
 
a. duty factor 
b. frequency 
c. propagation speed 
d. axial resolution - ANSWER-d. 
 
Axial resolution is affected by all of the following EXCEPT 
 
a. frequency 
b. damping 
c. spat...
SPI Mock Registry Exam C20 Questions & Answers 2023/2024 
 
As frequency increase, the amount of scatter - ANSWER-increases 
 
Which physics principle describes the decrease in pressure at a stenosis due to increased velocity at the site? - ANSWER-Bernoulli Prinicple 
 
______ occurs posterior to hi...
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Add to cartSPI Mock Registry Exam C20 Questions & Answers 2023/2024 
 
As frequency increase, the amount of scatter - ANSWER-increases 
 
Which physics principle describes the decrease in pressure at a stenosis due to increased velocity at the site? - ANSWER-Bernoulli Prinicple 
 
______ occurs posterior to hi...
SPI Mock Final Exam Questions & Answers 2023/2024 
 
Question 1 
A ________ is a B mode operation that provides a cross section of the region of interest as the sound beam sweeps through the region of interest: 
Select one: 
a. B scan 
b. A mode 
c. A scan 
d. M mode - ANSWER-B scan 
 
Question 2 
 ...
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Add to cartSPI Mock Final Exam Questions & Answers 2023/2024 
 
Question 1 
A ________ is a B mode operation that provides a cross section of the region of interest as the sound beam sweeps through the region of interest: 
Select one: 
a. B scan 
b. A mode 
c. A scan 
d. M mode - ANSWER-B scan 
 
Question 2 
 ...
Mock SPI Exam / Ultrasound Transducers 2023/2024 
 
If the aperture increases, the near-zone length ________. 
 
a. doubles 
b. increases 
c. decreases 
d. remains unchanged - ANSWER-increases 
 
Axial resolution is often normally better than lateral resolution. T/F - ANSWER-True 
 
Without compensa...
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Add to cartMock SPI Exam / Ultrasound Transducers 2023/2024 
 
If the aperture increases, the near-zone length ________. 
 
a. doubles 
b. increases 
c. decreases 
d. remains unchanged - ANSWER-increases 
 
Axial resolution is often normally better than lateral resolution. T/F - ANSWER-True 
 
Without compensa...
SPI Mock Registry Exam A20 
 
reflected signals must undergo compression b/c the _______ of reflected signals __________ the ability of the system to process/display that many signals, & it is important to maintain gray scale w/in range of _______ ___________. - ANSWER-range; exceeds; human vision 
...
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Add to cartSPI Mock Registry Exam A20 
 
reflected signals must undergo compression b/c the _______ of reflected signals __________ the ability of the system to process/display that many signals, & it is important to maintain gray scale w/in range of _______ ___________. - ANSWER-range; exceeds; human vision 
...
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Add to cartSPI mock exam questions & answers 2023/2024
SPI MOCK EXAM REGISTRY EXAM E20 2023/2024 
 
Explain time of flight - ANSWER-For every 13 microseconds of time of flight of a pulse, the reflector is 1 cm deeper in the tissue. 
 
Will a doppler shift be recorded if Red blood cell is moving perpendicular to the beam? - ANSWER-No, 
 
Decreasing the p...
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Add to cartSPI MOCK EXAM REGISTRY EXAM E20 2023/2024 
 
Explain time of flight - ANSWER-For every 13 microseconds of time of flight of a pulse, the reflector is 1 cm deeper in the tissue. 
 
Will a doppler shift be recorded if Red blood cell is moving perpendicular to the beam? - ANSWER-No, 
 
Decreasing the p...
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Add to cartSPI Mock Registry Exam B20 2023
SPI Mock Exam C16 Questions & Answers 2023/2024 
 
What is the period for a 5MHz transducer? - ANSWER-0.2 microseconds 
 
(5 MHz= 5,000,000 Hz 
period= 1/frequency 
period=1/5,000,000 Hz= 0. or 0.2 microseconds) 
 
If two calcifications are located side by side in the liver with a 3 mm distance betw...
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Add to cartSPI Mock Exam C16 Questions & Answers 2023/2024 
 
What is the period for a 5MHz transducer? - ANSWER-0.2 microseconds 
 
(5 MHz= 5,000,000 Hz 
period= 1/frequency 
period=1/5,000,000 Hz= 0. or 0.2 microseconds) 
 
If two calcifications are located side by side in the liver with a 3 mm distance betw...
SPI practice test questions & answers 2023/2024 
 
If the thickness of the 2 substances forming the interface is increased then the amount of beam reflected is...? - ANSWER-unchanged 
 
what determines the Pulse Repetition Frequency (PRF)? - ANSWER-The source of sound 
 
with which type of array are...
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Add to cartSPI practice test questions & answers 2023/2024 
 
If the thickness of the 2 substances forming the interface is increased then the amount of beam reflected is...? - ANSWER-unchanged 
 
what determines the Pulse Repetition Frequency (PRF)? - ANSWER-The source of sound 
 
with which type of array are...
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SPI PRACTICE QUESTIONS 2023/2024 
 
Sound waves are: - ANSWER-longitudinal, mechanical 
 
The speed of sound in soft tissue is closest to: - ANSWER-1,500 m/s 
 
The frequency closest to the lower limit of ultrasound is: - ANSWER-15,000 Hz 
 
Which is not an acoustic variable? - ANSWER-intensity 
 
T...
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Add to cartSPI PRACTICE QUESTIONS 2023/2024 
 
Sound waves are: - ANSWER-longitudinal, mechanical 
 
The speed of sound in soft tissue is closest to: - ANSWER-1,500 m/s 
 
The frequency closest to the lower limit of ultrasound is: - ANSWER-15,000 Hz 
 
Which is not an acoustic variable? - ANSWER-intensity 
 
T...
SPI Mock Exam E16 Questions & Answers 2023/2024 
 
What phenomenon is described as the conversion of a pressure wave into electrical voltage - ANSWER-Piezoelectric effect 
 
Spatial compounding : - ANSWER-increases signal to noise ratio 
 
The range equation is used to determine the - ANSWER-distanc...
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Add to cartSPI Mock Exam E16 Questions & Answers 2023/2024 
 
What phenomenon is described as the conversion of a pressure wave into electrical voltage - ANSWER-Piezoelectric effect 
 
Spatial compounding : - ANSWER-increases signal to noise ratio 
 
The range equation is used to determine the - ANSWER-distanc...
Davies SPI REVIEW EXAM QUESTIONS & ANSWERS 2023/2024 
 
What action below would be most in keeping with the ALARA principle while performing a diagnostic ultrasound examination? 
A: Allow multiple students to scan an obstetrical patient because the fetus is in a good position for imaging. 
B: Prolo...
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Add to cartDavies SPI REVIEW EXAM QUESTIONS & ANSWERS 2023/2024 
 
What action below would be most in keeping with the ALARA principle while performing a diagnostic ultrasound examination? 
A: Allow multiple students to scan an obstetrical patient because the fetus is in a good position for imaging. 
B: Prolo...
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