ARDMS SPI Exam Review TEST 9

August 18, 2017 By Rana Waqar Leave a Comment

1. Which of the following is the resolution in the third dimension of the beam?
- a. Lateral resolution
- b. Elevational resolution
- c. Contrast resolution
- d. Longitudinal resolution
2. Which of the following is true concerning the frequency and the near zone length?
- a. The higher the frequency, the longer the near zone length
- b. The lower the frequency, the longer the near zone length
- c. Frequency and near zone length are not related
- d. Frequency and near zone length cannot be adjusted
3. Which of the following is defined as changing the timing of the shocking of the elements in order to shape and steer the beam?
- a. Angulation
- b. Focusing
- c. Phasing
- d. Bundling
4. Which of the following is not a component of spatial resolution?
- a. Frame resolution
- b. Contrast resolution
- c. Axial resolution
- d. Elevational resolution
5. Which types of transducers are no longer used?
- a. Continuous-wave transducers
- b. Curved sequenced array transducers
- c. Linear sequenced array transducers
- d. Annular array transducers
6. Which of the following transducers is not used for imaging?
- a. Continuous-wave transducers
- b. Curved sequenced array transducers
- c. Linear sequenced array transducers
- d. Annular array transducers
7. Which of the following transducers is also referred to as a sector or vector transducer?
- a. Linear sequential array
- b. Linear phased array
- c. Continuous-wave transducer
- d. Curved sequential array transducer
8. Which of the following shortens the length of the pulse by decreasing the number of cycles in the pulse?
- a. Matching material
- b. Piezoelectric element
- c. Backing material
- d. Tungsten
9. Which of the following produces a pie-shaped image?
- a. Linear sequenced array
- b. Phased array
- c. Curved sequenced array
- d. Convex transducer
10. The portion of the transducer that comes in contact with the patient is the:
- a. Backing material
- b. Footprint
- c. Wire
- d. Damping material

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