Chapter 8 Test

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1. Pulse repetition frequency is:
2. All of the following statements about pulse duration are true except:
3. A typical duty factor for clinical ultrasound imaging is approximately:
4. Destructive wave interference refers to:
5. The near field zone is also called the:
6. The near zone length can be increased by:
7. Axial resolution can be improved by:
8. The ability to distinguish two structures perpendicular to the ultrasound beam directions is:
9. Lateral resolution can be improved by:
10. When an adjacent object appears within another structure so that both appear to be in the same plane, this is due to: