Sample Ultrasound Physics Quiz

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| Written by Lafleurd

Lafleurd

Community Contributor

Quizzes Created: 1 | Total Attempts: 2,453

Questions: 5 | Attempts: 2,454 | Updated: Mar 22, 2023

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This is a sample quiz to assess a students ability to select equipment parameters to optimize temporal resolution.

Questions and Answers

1.

Which resolution is determined by frame rate?
- A.
  
  Temporal resolution
- B.
  
  Axial resolution
- C.
  
  Spatial resolution
- D.
  
  Lateral resolution
Correct Answer
A. Temporal resolution

Explanation
temporal resolution is directly related to frame rate

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2.

Which system setting would increase frame rate?
- A.
  
  Decreased depth
- B.
  
  Multiple focus
- C.
  
  Wide sector
- D.
  
  High line density
Correct Answer
A. Decreased depth

Explanation
multiple focus, wide sector and high line density would all decrease frame rate

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3.

Which system setting could increase the listening time and decrease temporal resolution?
- A.
  
  Depth
- B.
  
  Power
- C.
  
  Amplification
- D.
  
  Compression
Correct Answer
A. Depth

Explanation
power, amplification and compression have no effect on temporal resolution

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4.

Which resolution would be the most important when evaluating the heart with respect to motion?
- A.
  
  Temporal
- B.
  
  Axial
- C.
  
  Spatial
- D.
  
  Lateral
Correct Answer
A. Temporal

Explanation
The most important resolution when evaluating the heart with respect to motion would be temporal resolution. Temporal resolution refers to the ability to capture and distinguish rapid changes over time. In the context of evaluating the heart, it is crucial to have high temporal resolution to accurately assess the motion and function of the heart. This allows for the detection of abnormalities such as arrhythmias or abnormal contractions that may not be visible with lower temporal resolution.

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5.

Which resolution is made worse in Image B by increasing the number of focal zones?
- A.
  
  Temporal
- B.
  
  Lateral
- C.
  
  Spatial
- D.
  
  Axial
Correct Answer
A. Temporal

Explanation
temporal resolution is worse with multiple focal zones but lateral resolution is improved

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Sample Ultrasound Physics Quiz

Which resolution is determined by frame rate?

Which system setting would increase frame rate?

Which system setting could increase the listening time and decrease temporal resolution?

Which resolution would be the most important when evaluating the heart with respect to motion?

Which resolution is made worse in Image B by increasing the number of focal zones?