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URR Abdomen Physics & Clinical Practice Questions and Answers |100% Pass

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EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISH SEPTEMBER 2024 1/18 URR Abdomen Physics & Clinical Practice Questions and Answers |100% Pass If you have trapezoidal field of view on linear array, which resolution are you degrading? - Answer-...

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  • October 7, 2024
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EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024

URR Abdomen Physics & Clinical
Practice Questions and Answers |100%
Pass

If you have trapezoidal field of view on linear array, which resolution are you degrading?

- Answer✔✔-lateral resolution


- Trapezoidal = 台形

- wider beams = less lateral resolution

If the entire image is too bright, what do you do first? - Answer✔✔-decrease the

output power

reverberation artifact due to gas production AKA _______ artifact - Answer✔✔-

resonance artifact

lower frame rate = increased/degraded temporal resolution - Answer✔✔-degraded

temporal resolution

For renal artery doppler evaluation, the angle should be _____. For intraparenchymal

arteries, the angle should be _____. - Answer✔✔-- main RA = <60

- intraparenchymal = <20

Increasing _____ will most improve the ability to properly trace the contour of Doppler

waveform. - Answer✔✔-Sweep speed

A simple cyst could have artifactual debris in it in case of (x2) - Answer✔✔-- short

distance from the transducer
1/18

,EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024
- volume averaging

A contrast agent that consists of a cellulose suspension can better visualize which

organ? - Answer✔✔-pancreatic tail

Which artifact occurs when sampling vessels adjacent to a highly reflective structure like

a bone? - Answer✔✔-Cross talk

- mirror image of the waveform on the other side of the baseline

What happens if you decrease the color threshold? - Answer✔✔-reduce the color

displayed

- color threshold AKA priority

- increase threshold if you don't see enough color

Harmonic imaging increase (x3) and decrease (x3) - Answer✔✔-Increase

- spatial resolution

- contrast resolution

- signal to noise ratio



Decrease

- reverberation

- beam aberration

- side lobes

The number of lines of information used to create the color displayed on the image is

called - Answer✔✔-Packet size

- increase packet size = increase color display

2/18

, EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER
©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024
Sample angle controls the amount of color fill in a vessel evaluated with color Doppler.

T/F - Answer✔✔-True

- angle DOES matter to color filling

File type for PACS system - Answer✔✔-DICOM = Digital Imaging & Communications

in Medicine

Name of transducer; order of the term in the name - Answer✔✔-1. Shape of the

transducer comes first

2. phased/sequential comes second



e.g.

- sector phased array

- linear sequential array

The bayonet artifact is - Answer✔✔-a type of propagation speed error, the tip of the

needle appears curved

Which artifacts will be seen with needles? (x3) - Answer✔✔-- Propagation speed

artifact

- Reverberation AKA resonance artifact

- Bayonet artifact

When you are scanning MSK, you see this artifact; if the transducer is not parallel to the

_____, it falsely appears hyperechoic/hypoechoic. - Answer✔✔-Anisotropy

- scanning tendon

- appears falsely hypoechoic (hypo=abnormal)
3/18

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