ARDMS SPI Exam Review TEST 10

1. What does heat sterilization do to an ultrasound transducer?

2. Which of the following is defined as the minimum distance two reflectors can be, parallel to the beam, and still appear on the screen as two dots?

3. Which of the following describes the result of destructive interference?

4. To produce a transducer with a higher frequency one should:

5. Which of the following is not a characteristic of an unfocused singleelement transducer?

a. At the face of the transducer, the beam diameter is equal to the element diameter
b. At a distance of one near zone length, the beam diameter is equal to one half of the diameter of the element
c. At a distance of two near zone lengths, the beam diameter again equals the element diameter
d. At the face of the transducer, the beam diameter is twice the size of the element thickness

6. Which of the following would be best utilized for imaging of deep structures in the abdomen?

7. Which of the following is not a method of creating 3D images?

8. Which of the following best describes the frame rate?

a. The frame rate is equal to the pulse repetition frequency multiplied by the lines per frame
b. The frame rate is equal to the pulse repetition frequency divided by the lines per frame
c. The frame rate is equal to the pulse repetition period divided by the lines per frame
d. The frame rate is equal to the pulse repetition period multiplied by the lines per frame

9. Which of the following is represented as time, or the ability to display structures in real time?

10. How are ultrasound transducers typically sterilized?

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