1 page
2025 ARDMS SPI EXAM VERSION COMPLETE ALL
QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+
When the direction of the wave propagation is parallel to the particle motion of th
b b b b b b b b b b b b b b
e medium, the wave being transmitted is called a:
b b b b b b b b
A) surface wave.
b b b
B) longitudinal wave.
b b b
C) transverse wave.
b b b
D) non-linear sound. - answerB) longitudinal wave
b b b b b b
,2 page
If the sound beam attenuated 6 dB, what will happen to the overall intensity?
b b b b b b b b b b b b b
A) Quadrupled
b b
B) Doubled
b
C) Halved
b
D) Quartered - answerD) Quartered
b b b b
Frequency increased from 3 MHz to 6 MHz, what will happen to wavelength?
b b b b b b b b b b b b
A) Doubled
b b
B) Quadrupled
b
C) Halved
b
D) Quartered - answerC) Halved
b b b b
Intensity is equal to:
b b b
,3 page
A) power/area
b
B) propagation speed/frequency
b b b
C) density x propagation speed
b b b b b
D) area/power - answerA) power/area
b b b b
5. What is important when selecting a transducer frequency?
b b b b b b b b
A) Depth
b
B) Power
b
C) Velocity
b
D) Propagation speed - answerA) Depth
b b b b b
6. Frequency is a factor in:
b b b b b b
A) impedance
b
, 4 page
B) tissue attenuation
b b
C) propagation speed
b b
D) tissue density - answerB) tissue attenuation
b b b b b b
7. Which medium interface will have the greatest sound transmission?
b b b b b b b b b b
A) Soft tissue to water
b b b b
B) Organ to organ
b b b
C) Bone to organ
b b b
D) Lung to soft tissue - answerB) Organ to organ
b b b b b b b b b
8. If there is a small impedance mismatch between two mediums, what will result?
b b b b b b b b b b b b b
A) There will be a small reflection
b b b b b b
B) There will be a large reflection
b b b b b b
2025 ARDMS SPI EXAM VERSION COMPLETE ALL
QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+
When the direction of the wave propagation is parallel to the particle motion of th
b b b b b b b b b b b b b b
e medium, the wave being transmitted is called a:
b b b b b b b b
A) surface wave.
b b b
B) longitudinal wave.
b b b
C) transverse wave.
b b b
D) non-linear sound. - answerB) longitudinal wave
b b b b b b
,2 page
If the sound beam attenuated 6 dB, what will happen to the overall intensity?
b b b b b b b b b b b b b
A) Quadrupled
b b
B) Doubled
b
C) Halved
b
D) Quartered - answerD) Quartered
b b b b
Frequency increased from 3 MHz to 6 MHz, what will happen to wavelength?
b b b b b b b b b b b b
A) Doubled
b b
B) Quadrupled
b
C) Halved
b
D) Quartered - answerC) Halved
b b b b
Intensity is equal to:
b b b
,3 page
A) power/area
b
B) propagation speed/frequency
b b b
C) density x propagation speed
b b b b b
D) area/power - answerA) power/area
b b b b
5. What is important when selecting a transducer frequency?
b b b b b b b b
A) Depth
b
B) Power
b
C) Velocity
b
D) Propagation speed - answerA) Depth
b b b b b
6. Frequency is a factor in:
b b b b b b
A) impedance
b
, 4 page
B) tissue attenuation
b b
C) propagation speed
b b
D) tissue density - answerB) tissue attenuation
b b b b b b
7. Which medium interface will have the greatest sound transmission?
b b b b b b b b b b
A) Soft tissue to water
b b b b
B) Organ to organ
b b b
C) Bone to organ
b b b
D) Lung to soft tissue - answerB) Organ to organ
b b b b b b b b b
8. If there is a small impedance mismatch between two mediums, what will result?
b b b b b b b b b b b b b
A) There will be a small reflection
b b b b b b
B) There will be a large reflection
b b b b b b
