ARDMS SPI 500 EXAM QUESTIONS
|GUARANTEED ACCURATE
ANSWERS (SET 2025)
A sound wave is - Accurate ✔✔✔ ......mechanical, longitudinal
A compression area of a sound wave is - Accurate ✔✔✔ ......high
pressure, high density
A rarefaction area of a sound wave is - Accurate ✔✔✔ ......low pressure,
low density
Which is considered an acoustic variable - Accurate ✔✔✔ ......pressure
Which is a unit for pressure - Accurate ✔✔✔ ......N/m2
Which is a unit for density - Accurate ✔✔✔ ......lbs/cm3
Which wave propagates in a medium - Accurate ✔✔✔ ......sound
The range for ultrasound is - Accurate ✔✔✔ ......greater than 20KHz
, ____ is the number of wave cycles per second - Accurate
✔✔✔ ......frequency
One kilohertz is equal to - Accurate ✔✔✔ ......1,000 cycles per second
One megahertz is equal to - Accurate ✔✔✔ ......1,000,000 cycles per
second
The useful frequency range for clinical imaging ultrasound is - Accurate
✔✔✔ ......2 MHz to 10 MHz
Frequency is determined by the - Accurate ✔✔✔ ......source
Frequency affects all of the following, except: wavelength, resolution,
penetration, impedance - Accurate ✔✔✔ ......impedance
The times per cycle is - Accurate ✔✔✔ ......period
The period for a 5 MHz probe is - Accurate ✔✔✔ ......0.2usec
If frequency increases, period will - Accurate ✔✔✔ ......decreases
Period is determined by the - Accurate ✔✔✔ ......source
|GUARANTEED ACCURATE
ANSWERS (SET 2025)
A sound wave is - Accurate ✔✔✔ ......mechanical, longitudinal
A compression area of a sound wave is - Accurate ✔✔✔ ......high
pressure, high density
A rarefaction area of a sound wave is - Accurate ✔✔✔ ......low pressure,
low density
Which is considered an acoustic variable - Accurate ✔✔✔ ......pressure
Which is a unit for pressure - Accurate ✔✔✔ ......N/m2
Which is a unit for density - Accurate ✔✔✔ ......lbs/cm3
Which wave propagates in a medium - Accurate ✔✔✔ ......sound
The range for ultrasound is - Accurate ✔✔✔ ......greater than 20KHz
, ____ is the number of wave cycles per second - Accurate
✔✔✔ ......frequency
One kilohertz is equal to - Accurate ✔✔✔ ......1,000 cycles per second
One megahertz is equal to - Accurate ✔✔✔ ......1,000,000 cycles per
second
The useful frequency range for clinical imaging ultrasound is - Accurate
✔✔✔ ......2 MHz to 10 MHz
Frequency is determined by the - Accurate ✔✔✔ ......source
Frequency affects all of the following, except: wavelength, resolution,
penetration, impedance - Accurate ✔✔✔ ......impedance
The times per cycle is - Accurate ✔✔✔ ......period
The period for a 5 MHz probe is - Accurate ✔✔✔ ......0.2usec
If frequency increases, period will - Accurate ✔✔✔ ......decreases
Period is determined by the - Accurate ✔✔✔ ......source
