Package deal
Complete Package Deal For SPI PRACTICE EXAM QUESTIONS AND ANSWERS GRADED A 2024
Complete Package Deal For SPI PRACTICE EXAM QUESTIONS AND ANSWERS GRADED A 2024
[Show more]Complete Package Deal For SPI PRACTICE EXAM QUESTIONS AND ANSWERS GRADED A 2024
[Show more]Which gain will increase the risk of bioeffects? 
a. transmit 
b. receive 
c. gain 
d. overall gain - a. transmit 
 
Which of the following is considered the memory of an ultrasound instrument? 
a. pulser 
b. transducer 
c. receiver 
d. beam former 
e. digital scan converter 
f. display monitor - e....
Preview 2 out of 6 pages
Add to cartWhich gain will increase the risk of bioeffects? 
a. transmit 
b. receive 
c. gain 
d. overall gain - a. transmit 
 
Which of the following is considered the memory of an ultrasound instrument? 
a. pulser 
b. transducer 
c. receiver 
d. beam former 
e. digital scan converter 
f. display monitor - e....
C 
What is dynamic aperture? 
A.aperture that varies with transmit frequency 
B.aperture that decreases as a function of time 
C.aperture that increases with increasing focal length 
D.aperture that changes as a function of frame rate 
A 
to which acoustic variable is penetration depth inversely rel...
Preview 3 out of 17 pages
Add to cartC 
What is dynamic aperture? 
A.aperture that varies with transmit frequency 
B.aperture that decreases as a function of time 
C.aperture that increases with increasing focal length 
D.aperture that changes as a function of frame rate 
A 
to which acoustic variable is penetration depth inversely rel...
Which of the following do the source and the medium determine? 
 
a. duty factor 
b. frequency 
c. propagation speed 
d. axial resolution - d. 
 
Axial resolution is affected by all of the following EXCEPT 
 
a. frequency 
b. damping 
c. spatial pulse length 
d. focusing - d. 
 
Damping in a transdu...
Preview 3 out of 29 pages
Add to cartWhich of the following do the source and the medium determine? 
 
a. duty factor 
b. frequency 
c. propagation speed 
d. axial resolution - d. 
 
Axial resolution is affected by all of the following EXCEPT 
 
a. frequency 
b. damping 
c. spatial pulse length 
d. focusing - d. 
 
Damping in a transdu...
Sound waves are: - longitudinal, mechanical 
 
The speed of sound in soft tissue is closest to: - 1,500 m/s 
 
The frequency closest to the lower limit of ultrasound is: - 15,000 Hz 
 
Which is not an acoustic variable? - intensity 
 
The effects of soft tissue on ultrasound are called: - acoustic p...
Preview 3 out of 22 pages
Add to cartSound waves are: - longitudinal, mechanical 
 
The speed of sound in soft tissue is closest to: - 1,500 m/s 
 
The frequency closest to the lower limit of ultrasound is: - 15,000 Hz 
 
Which is not an acoustic variable? - intensity 
 
The effects of soft tissue on ultrasound are called: - acoustic p...
Which gain will increase the risk of bioeffects? 
a. transmit 
b. receive 
c. gain 
d. overall gain - a. transmit 
 
Which of the following is considered the memory of an ultrasound instrument? 
a. pulser 
b. transducer 
c. receiver 
d. beam former 
e. digital scan converter 
f. display monitor - e....
Preview 2 out of 6 pages
Add to cartWhich gain will increase the risk of bioeffects? 
a. transmit 
b. receive 
c. gain 
d. overall gain - a. transmit 
 
Which of the following is considered the memory of an ultrasound instrument? 
a. pulser 
b. transducer 
c. receiver 
d. beam former 
e. digital scan converter 
f. display monitor - e....
When the ELASTICITY of a medium is HIGH, the _____ is HIGH 
 
- stiffness 
- prop. speed 
- compressibility 
- reflectivity -answers - compressibility 
What term describes the # of cycles that an acoustic variable completes in a second? 
 
- period 
- freq. 
- PRP 
- variable rate -answers - ...
Preview 1 out of 4 pages
Add to cartWhen the ELASTICITY of a medium is HIGH, the _____ is HIGH 
 
- stiffness 
- prop. speed 
- compressibility 
- reflectivity -answers - compressibility 
What term describes the # of cycles that an acoustic variable completes in a second? 
 
- period 
- freq. 
- PRP 
- variable rate -answers - ...
The mass you are imaging has a diameter of 35mm. This value can also be expressed as: 
A: 350 cm 
B: 0.35 cm 
C: 3.5 cm 
D: 35 m 
E: 3.5 m -answer C 
 
Which of the following are types of cavitation? 
A: Stable and Thermal 
B: In vivo and In vitro 
C: Transient and Stable 
D: Spatial and Transie...
Preview 2 out of 9 pages
Add to cartThe mass you are imaging has a diameter of 35mm. This value can also be expressed as: 
A: 350 cm 
B: 0.35 cm 
C: 3.5 cm 
D: 35 m 
E: 3.5 m -answer C 
 
Which of the following are types of cavitation? 
A: Stable and Thermal 
B: In vivo and In vitro 
C: Transient and Stable 
D: Spatial and Transie...
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 pulse directly related to the: 
 
A. Duty factor ...
Preview 3 out of 20 pages
Add to cartReducing 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 pulse directly related to the: 
 
A. Duty factor ...
Which parameter is most likely to affect spatial resolution? Adynamic range 
B.beam width 
C.system sensitivity 
D.depth of visualization -answer- D.depth of visualization 
 
When using a 5MHZ transducer, in which tissue is the ultrasound wavelength shortest? 
A.fat 
B.blood 
C.bone 
D.muscle -answe...
Preview 2 out of 5 pages
Add to cartWhich parameter is most likely to affect spatial resolution? Adynamic range 
B.beam width 
C.system sensitivity 
D.depth of visualization -answer- D.depth of visualization 
 
When using a 5MHZ transducer, in which tissue is the ultrasound wavelength shortest? 
A.fat 
B.blood 
C.bone 
D.muscle -answe...
Which term describes blood flow changes in response to respiration? 
 
A. Phasic 
B. Parabolic 
C. Spontaneous 
D. Pulsatile -answer- Phasic 
 
What is demonstrated in this image produced by a linear array to placed on a uniform tissue-mimicking phantom? 
 
A. Time gain compensation not set properly...
Preview 2 out of 10 pages
Add to cartWhich term describes blood flow changes in response to respiration? 
 
A. Phasic 
B. Parabolic 
C. Spontaneous 
D. Pulsatile -answer- Phasic 
 
What is demonstrated in this image produced by a linear array to placed on a uniform tissue-mimicking phantom? 
 
A. Time gain compensation not set properly...
. A sound wave is: 
a. transverse 
b. electromagnetic 
c. mechanical, longitudinal 
d. transverse, longitudinal 
c. mechanical, longitudinal 
2. A compression area of a sound wave is: 
a. high pressure, low density 
b. low pressure, low density 
c. high pressure, high density 
d. low pressure, high ...
Preview 4 out of 121 pages
Add to cart. A sound wave is: 
a. transverse 
b. electromagnetic 
c. mechanical, longitudinal 
d. transverse, longitudinal 
c. mechanical, longitudinal 
2. A compression area of a sound wave is: 
a. high pressure, low density 
b. low pressure, low density 
c. high pressure, high density 
d. low pressure, high ...
Which of the following is described as the ability of an object to resist compression and relates to the hardness of the medium? 
a. Stiffness 
b. Density 
c. Pressure 
d. Inertia -answer- a. Stiffness 
 
An increase in pulse repetition frequency would lead to: 
a. an increase in DF 
b. an increase...
Preview 3 out of 19 pages
Add to cartWhich of the following is described as the ability of an object to resist compression and relates to the hardness of the medium? 
a. Stiffness 
b. Density 
c. Pressure 
d. Inertia -answer- a. Stiffness 
 
An increase in pulse repetition frequency would lead to: 
a. an increase in DF 
b. an increase...
The direction of the Doppler shift determines: 
A. the peak velocity of the flow 
B. the color Doppler hue 
C. the average velocity of the flow 
D. the color Doppler luminance -answer- B. the color Doppler hue 
Color Hue - perceived color used to demonstrate direction (red and blue or positive and n...
Preview 3 out of 27 pages
Add to cartThe direction of the Doppler shift determines: 
A. the peak velocity of the flow 
B. the color Doppler hue 
C. the average velocity of the flow 
D. the color Doppler luminance -answer- B. the color Doppler hue 
Color Hue - perceived color used to demonstrate direction (red and blue or positive and n...
What best describes a sound wave? -answer- A mechanical longitudinal wave 
 
What MUST be different on the two sides of an interface for refraction to occur? -answer- Propagation speed of sound and oblique incidence 
 
The characteristic acoustic impedance of a medium equals the product of -answer- ...
Preview 1 out of 2 pages
Add to cartWhat best describes a sound wave? -answer- A mechanical longitudinal wave 
 
What MUST be different on the two sides of an interface for refraction to occur? -answer- Propagation speed of sound and oblique incidence 
 
The characteristic acoustic impedance of a medium equals the product of -answer- ...
what improves temporal resolution -answer- low line density, high frame rate, narrow sector line, fewer pulse per frame 
 
which of the following is true when the dynamic aperature is increased -answer- near zone length increases 
 
Which of the following is the standard protocol for digital imaging...
Preview 2 out of 11 pages
Add to cartwhat improves temporal resolution -answer- low line density, high frame rate, narrow sector line, fewer pulse per frame 
 
which of the following is true when the dynamic aperature is increased -answer- near zone length increases 
 
Which of the following is the standard protocol for digital imaging...
transducer 
Electronic pulses from the pulser are applied to the ? 
amplification, compensation, compression, and demodulation 
What functions are preformed by the receiver? 
the ratio of the maximum to the minimum intensity that can be displayed 
The dynamic range of an ultrasound system is describ...
Preview 3 out of 24 pages
Add to carttransducer 
Electronic pulses from the pulser are applied to the ? 
amplification, compensation, compression, and demodulation 
What functions are preformed by the receiver? 
the ratio of the maximum to the minimum intensity that can be displayed 
The dynamic range of an ultrasound system is describ...
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Stuvia is a marketplace, so you are not buying this document from us, but from seller PossibleA. Stuvia facilitates payment to the seller.
No, you only buy these notes for $50.81. You're not tied to anything after your purchase.
4.6 stars on Google & Trustpilot (+1000 reviews)
79271 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now