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2024 SPI ARDMS TEST A AND B EXAM WITH CORRECT ANSWERS $13.99   Add to cart

Exam (elaborations)

2024 SPI ARDMS TEST A AND B EXAM WITH CORRECT ANSWERS

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  • SPI ARDMS
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  • SPI ARDMS

2024 SPI ARDMS TEST A AND B EXAM WITH CORRECT ANSWERS

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  • November 3, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • SPI ARDMS
  • SPI ARDMS
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Elitaa
2024 SPI ARDMS TEST A AND B
EXAM WITH CORRECT ANSWERS


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 - CORRECT-ANSWERSC

to which acoustic variable is penetration depth inversely related?
A.frequency
B.wavelength
C.period
D.propagation speed - CORRECT-ANSWERSA

Which parameter is most related to cavitation tissue?
A. energy
B. pressure
C. duty factor
D. pulse repetition frequency - CORRECT-ANSWERSB

Which interface will cause the maximum reflection of the incident sound
beam?
A. fat/muscle
B. soft tissue/bone
C. fat/soft tissue
D. soft tissue/lung - CORRECT-ANSWERSB

Acoustic enhancement occurs distal to what?
A. calcifications
B. near field interface
C. highly reflecting structure
D. weakly attenuating structure - CORRECT-ANSWERSD

As the pressure amplitude of ultrasound doubles, what happens to the
wavelength?
A. quadruples
B. doubles
C. halves
D. unchanged - CORRECT-ANSWERSD

What is the period of a 5 MHz ultrasound wave?

, A. 0.02 ms
B. 0.2 ms
C. .5mc
D. 5ms - CORRECT-ANSWERSB

What limits diagnostic application at higher frequencies?
A. noise
B. tissue penetration
C. contrast resolution
D. temporal resolution - CORRECT-ANSWERSB

What is the function of a lens on a transducer?
A. focus the beam
B. increase the bandwidth
C. shorten the pulse length
D. provide damping - CORRECT-ANSWERSA

What would improve axial resolution?
A. increase the pulse repetition frequency
B. reduce the receiver gain
C. change the gray scale map
D. increase the transducer frequency - CORRECT-ANSWERSD

What is true of the far field?
A. sound beam converges
B. intensity is highest
C. lateral resolution is best
D. sound beam diverges - CORRECT-ANSWERSD

what improves lateral resolution?
A. decreasing the beam width
B. increasing the pulse repetition frequency
C. decreasing transmitted frequency
D. decreasing the width of the field of view - CORRECT-ANSWERSA

Which statement is true for a linear phased array transducer?
A. line density increases with depth
B. elements are all fired nearly simultaneously
C. elements are fired in successive groups
D. all scan lines are perpendicular to the face of the transducer - CORRECT-
ANSWERSB

Which artifact is commonly seen within cystic masses due to the finite
dimensions of the ultrasound beam?
A. duplication
B. mirror image

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