Free Exam: PHYSICS: Chap 7: Propagation Speed Errors - Homework
Number of Questions in Test: 11
Number of Questions in Preview: 5
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In pulsed ultrasound, the reflector depth is determined from the:
In pulsed ultrasound, the reflector depth is determined from the:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 2
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The 13 microsecond Rule is valid:
The 13 microsecond Rule is valid:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 3
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Every ultrasound system assumes that the propagation speed of sound is 1.54 mm/microsec. If the pulse travels to a medium in which the speed is slower than that of soft tissue, the reflector will be displayed at a depth that is:
Every ultrasound system assumes that the propagation speed of sound is 1.54 mm/microsec. If the pulse travels to a medium in which the speed is slower than that of soft tissue, the reflector will be displayed at a depth that is:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 4
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If an image displays a reflector as being closer than its true depth, one possible explanation is that:
If an image displays a reflector as being closer than its true depth, one possible explanation is that:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 5
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Your instructor informs you that a reflector in an image you have acquired is displayed further away than its true location. Which medium would cause such a range artifact?
Your instructor informs you that a reflector in an image you have acquired is displayed further away than its true location. Which medium would cause such a range artifact?
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |