Sonography Principles & Instrumentation (SPI) Exam – Sample
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Question 1 of 10
1. Question
The volume of a cystic structure is estimated from sonographic data. Which of the following is an acceptable measurement of this volume?
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Question 2 of 10
2. Question
What is characteristic of acoustic waves with frequencies exceeding 20,000 Hz when compared with waves having frequencies of less than 20,000 Hz?
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Question 3 of 10
3. Question
What term is used to describe the effects of an ultrasound wave on living tissues?
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Question 4 of 10
4. Question
What is the range of periods commonly found in waves produced by ultrasound systems?
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Question 5 of 10
5. Question
What is the range of frequencies emitted by transducers used in ultrasonic imaging?
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Question 6 of 10
6. Question
A sonographer measures the perimeter of an anatomical structure. Which of the following choices is a reasonable value for the measurement?
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Question 7 of 10
7. Question
How can the volume of an irregularly shaped object be most accurately measured?
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Question 8 of 10
8. Question
Two waves arrive at the same location and interfere. The resultant sound wave is smaller than either of the two original waves. What is this called?
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Question 9 of 10
9. Question
A pair of waves are in phase. What occurs when these waves interfere?
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Question 10 of 10
10. Question
Sound can be characterized as:
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