ARDMS SPI 500 Exam 2025 With Correct
Answers
A sound wave is - correct answer mechanical, longitudinal
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A compression area of a sound wave is - correct answer high pressure, high density
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A rarefaction area of a sound wave is - correct answer low pressure, low density
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Which is considered an acoustic variable - correct answer pressure
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Which is a unit for pressure - correct answer N/m2
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Which is a unit for density - correct answer lbs/cm3
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Which wave propagates in a medium - correct answer sound
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The range for ultrasound is - correct answer greater than 20KHz
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, ____ is the number of wave cycles per second - correct answer frequency
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One kilohertz is equal to - correct answer 1,000 cycles per second
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One megahertz is equal to - correct answer 1,000,000 cycles per second
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The useful frequency range for clinical imaging ultrasound is - correct answer 2 MHz to 10 MHz
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Frequency is determined by the - correct answer source
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Frequency affects all of the following, except: wavelength, resolution, penetration, impedance - correct
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answer impedance d
The times per cycle is - correct answer period
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The period for a 5 MHz probe is - correct answer 0.2usec
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If frequency increases, period will - correct answer decreases
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Period is determined by the - correct answer source
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Period multiplied by the number of cycles in a pulse equals - correct answer pulse duration
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The distance between cyclical peaks is - correct answer wavelength
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The symbol for wavelength is - correct answer lambda
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The wavelength of a 5 MHz probe in soft tissue is - correct answer 0.3 mm
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Answers
A sound wave is - correct answer mechanical, longitudinal
d d d d d d d d
A compression area of a sound wave is - correct answer high pressure, high density
d d d d d d d d d d d d d d
A rarefaction area of a sound wave is - correct answer low pressure, low density
d d d d d d d d d d d d d d
Which is considered an acoustic variable - correct answer pressure
d d d d d d d d d
Which is a unit for pressure - correct answer N/m2
d d d d d d d d d
Which is a unit for density - correct answer lbs/cm3
d d d d d d d d d
Which wave propagates in a medium - correct answer sound
d d d d d d d d d
The range for ultrasound is - correct answer greater than 20KHz
d d d d d d d d d d
, ____ is the number of wave cycles per second - correct answer frequency
d d d d d d d d d d d d
One kilohertz is equal to - correct answer 1,000 cycles per second
d d d d d d d d d d d
One megahertz is equal to - correct answer 1,000,000 cycles per second
d d d d d d d d d d d
The useful frequency range for clinical imaging ultrasound is - correct answer 2 MHz to 10 MHz
d d d d d d d d d d d d d d d d
Frequency is determined by the - correct answer source
d d d d d d d d
Frequency affects all of the following, except: wavelength, resolution, penetration, impedance - correct
d d d d d d d d d d d d d
answer impedance d
The times per cycle is - correct answer period
d d d d d d d d
The period for a 5 MHz probe is - correct answer 0.2usec
d d d d d d d d d d d
If frequency increases, period will - correct answer decreases
d d d d d d d d
Period is determined by the - correct answer source
d d d d d d d d
Period multiplied by the number of cycles in a pulse equals - correct answer pulse duration
d d d d d d d d d d d d d d d
The distance between cyclical peaks is - correct answer wavelength
d d d d d d d d d
The symbol for wavelength is - correct answer lambda
d d d d d d d d
The wavelength of a 5 MHz probe in soft tissue is - correct answer 0.3 mm
d d d d d d d d d d d d d d d
