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URR Abdomen Physics & Clinical Exam Questions With Correct Answers
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URR Abdomen Physics & Clinical Exam Questions With Correct Answers. If you have trapezoidal field of view on linear array, which resolution are you degrading? - answerlateral resolution - Trapezoidal = 台形 - wider beams = less lateral resolution If the entire image is too bright, what do y...

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  • August 29, 2024
  • 14
  • 2024/2025
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©THEBRIGHT EXAM STUDY SOLUTIONS 8/27/2024 12:01 PM



URR Abdomen Physics & Clinical Exam
Questions With Correct Answers.


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
- 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

, ©THEBRIGHT EXAM STUDY SOLUTIONS 8/27/2024 12:01 PM


- 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
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

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