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Sonography Principles and Instrumentation - ARDMS SPI Multiple Choice Exam Questions and Answers
- Exam (elaborations) • 8 pages • 2023
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Sonography Principles and Instrumentation - ARDMS SPI Multiple Choice Exam Questions and Answers-A mechanical transducer utilizes: 
a. transmit focus 
b. receive focus 
c. fixed focus 
d. dynamic aperture focusing - c. fixed focus; sonographer cannot determine the location of # of foci. mechanical transducer uses cross sectional imaging, rotating wheel, wobbler, oscillating mirror 
 
A reflection will occur at the boundary of two media if the acoustic impedences of the two media are: 
a. equal 
...
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Sonography Principles and Instrumentation - ARDMS SPI Exam Multiple Choice Questions and Answers_2022/23.
- Exam (elaborations) • 6 pages • 2023
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Available in package deal
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- $8.49
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Sonography Principles and Instrumentation - ARDMS SPI Exam Multiple Choice Questions and Answers_2022/23. 
 
A mechanical transducer utilizes: 
a. transmit focus 
b. receive focus 
c. fixed focus 
d. dynamic aperture focusing - 
A reflection will occur at the boundary of two media if the acoustic impedences of the two media are: 
a. equal 
b. different 
c. unchanged 
d. cannot be predicted - 
A strongly focused transducer implies a: 
a. short focal length; decreased beam divergence 
b. medium ...
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