ARDMS SPI Exam | Comprehensive Q&A For Certification Success

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ARDMS SPI Exam | Comprehensive Q&A
For Certification Success


The range of frequencies produced by a damped PZT element is called:
a. fundamental frequencies
b. Q Factor
c. near field
d. bandwith - correct-answer -d. bandwidth




The percentage of time that the ultrasound instrument is emitting ultrasound is
called:
a. PRF
b. pulse duration
c. pulse repetition period
d. duty factor - correct-answer -d. duty factor; the maximum value is 1, the
minimum is 0




The unit of duty factor is:
a. Hz
b. mm

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c. ms
d. unitless - correct-answer -d. unitless




Quality Factor= Fundamental frequency/ bandwidth - correct-answer -This allows
doses of different types of radiation to be compared for their biological effects.




Clinical imaging transducers are: - correct-answer -wide bandwidth; low q factor




Power/area= - correct-answer -Intensity




Increasing wavelength will ___________ frequency.
a. increase
b. decrease
c. not change
d. cannot be predicted. - correct-answer -b. decrease




All of the following directly affect frame rate except:
a. depth of penetration