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ARDMS SPI 500 with 100% correct answers | verified | latest update 2024 $7.99   Add to cart

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ARDMS SPI 500 with 100% correct answers | verified | latest update 2024

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ARDMS SPI 500 with 100% correct answers | verified | latest update 2024

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  • June 17, 2024
  • 7
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
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ARDMS SPI 500
A sound wave is - CORRECT ANSWER- ✅mechanical, longitudinal
A compression area of a sound wave is - CORRECT ANSWER-✅high pressure,
high density

A rarefaction area of a sound wave is - CORRECT ANSWER- ✅low pressure,
low density

Which is considered an acoustic variable - CORRECT ANSWER- ✅pressure
Which is a unit for pressure - CORRECT ANSWER-✅N/m2
Which is a unit for density - CORRECT ANSWER-✅lbs/cm3

Which wave propagates in a medium - CORRECT ANSWER- ✅sound
The range for ultrasound is - CORRECT ANSWER- ✅greater than 20KHz

____ is the number of wave cycles per second - CORRECT
ANSWER- frequency

✅1,000 cycles per second
One kilohertz is equal to - CORRECT ANSWER-

One megahertz is equal to - CORRECT ANSWER-✅1,000,000 cycles per
second



The useful frequency range for clinical imaging ultrasound is - CORRECT
ANSWER- 2 MHz to 10 MHz

Frequency is determined by the - CORRECT ANSWER- ✅source

Frequency affects all of the following, except: wavelength, resolution, penetration,
impedance - CORRECT ANSWER- impedance

The times per cycle is - CORRECT ANSWER- ✅period

, The period for a 5 MHz probe is - CORRECT ANSWER- ✅0.2usec
If frequency increases, period will - CORRECT ANSWER-✅decreases

Period is determined by the - CORRECT ANSWER-✅source



Period multiplied by the number of cycles in a pulse equals - CORRECT
ANSWER- pulse duration

The distance between cyclical peaks is - CORRECT ANSWER- ✅wavelength
The symbol for wavelength is - CORRECT ANSWER- ✅lambda
The wavelength of a 5 MHz probe in soft tissue is - CORRECT ANSWER- ✅0.3
mm



As frequency increases, wavelength (assume same medium) - CORRECT
ANSWER- decreases

Wavelength is determined by the - CORRECT ANSWER- ✅source and medium
As wavelength decreases - CORRECT ANSWER- ✅resolution improves
The rate at which a sound vibration propagates through a medium is called all of


the following, except: sound speed, prop speed, speed of sound, velocity -
CORRECT ANSWER- velocity



The units for propagation speed include all the following, except: km/sec, mph,
msec, mm/sec - CORRECT ANSWER- msec

The average speed of sound in soft tissue is - CORRECT ANSWER- ✅1540
m/sec



Arrange the following in increasing order of sound speed in soft tissue -
CORRECT ANSWER- air, fat, muscle, soft tissue, muscle, bone

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