ARDMS - SPI Exam Questions And Answers
When the direction of the wave propagation is parallel to the
particle motion of the medium, the wave being transmitted is called
a:
A) surface wave.
B) longitudinal wave.
C) transverse wave.
D) non-linear sound. -
correct answer ✅B) longitudinal wave
If the sound beam attenuated 6 dB, what will happen to the overall
intensity?
A) Quadrupled
B) Doubled
C) Halved
D) Quartered -
correct answer ✅D) Quartered
Frequency increased from 3 MHz to 6 MHz, what will happen to
wavelength?
A) Doubled
B) Quadrupled
C) Halved
,ARDMS - SPI Exam Questions And Answers
D) Quartered -
correct answer ✅C) Halved
Intensity is equal to:
A) power/area
B) propagation speed/frequency
C) density x propagation speed
D) area/power -
correct answer ✅A) power/area
5. What is important when selecting a transducer frequency?
A) Depth
B) Power
C) Velocity
D) Propagation speed -
correct answer ✅A) Depth
6. Frequency is a factor in:
A) impedance
B) tissue attenuation
C) propagation speed
,ARDMS - SPI Exam Questions And Answers
D) tissue density -
correct answer ✅B) tissue attenuation
7. Which medium interface will have the greatest sound
transmission?
A) Soft tissue to water
B) Organ to organ
C) Bone to organ
D) Lung to soft tissue -
correct answer ✅B) Organ to organ
8. If there is a small impedance mismatch between two mediums,
what will result?
A) There will be a small reflection
B) There will be a large reflection
C) All sound will transmit
D) No sound will transmit -
correct answer ✅A) There will be a small reflection
9. Which property of sound is measured in Rayls?
A) Intensity
, ARDMS - SPI Exam Questions And Answers
B) Impedance
C) Density
D) Propagation speed -
correct answer ✅B) Impedance
10. If sound energy is reduced by 50%, how many decibels were
lost?
A) 6 dB
B) 3 dB
C) 0 dB
D) 10 dB -
correct answer ✅B) 3 dB
11. To improve the quality of the motion during an
electrocardiogram, which resolution should be improved?
A) Transverse resolution
B) Lateral resolution
C) Axial resolution
D) Temporal resolution -
correct answer ✅D) Temporal resolution
When the direction of the wave propagation is parallel to the
particle motion of the medium, the wave being transmitted is called
a:
A) surface wave.
B) longitudinal wave.
C) transverse wave.
D) non-linear sound. -
correct answer ✅B) longitudinal wave
If the sound beam attenuated 6 dB, what will happen to the overall
intensity?
A) Quadrupled
B) Doubled
C) Halved
D) Quartered -
correct answer ✅D) Quartered
Frequency increased from 3 MHz to 6 MHz, what will happen to
wavelength?
A) Doubled
B) Quadrupled
C) Halved
,ARDMS - SPI Exam Questions And Answers
D) Quartered -
correct answer ✅C) Halved
Intensity is equal to:
A) power/area
B) propagation speed/frequency
C) density x propagation speed
D) area/power -
correct answer ✅A) power/area
5. What is important when selecting a transducer frequency?
A) Depth
B) Power
C) Velocity
D) Propagation speed -
correct answer ✅A) Depth
6. Frequency is a factor in:
A) impedance
B) tissue attenuation
C) propagation speed
,ARDMS - SPI Exam Questions And Answers
D) tissue density -
correct answer ✅B) tissue attenuation
7. Which medium interface will have the greatest sound
transmission?
A) Soft tissue to water
B) Organ to organ
C) Bone to organ
D) Lung to soft tissue -
correct answer ✅B) Organ to organ
8. If there is a small impedance mismatch between two mediums,
what will result?
A) There will be a small reflection
B) There will be a large reflection
C) All sound will transmit
D) No sound will transmit -
correct answer ✅A) There will be a small reflection
9. Which property of sound is measured in Rayls?
A) Intensity
, ARDMS - SPI Exam Questions And Answers
B) Impedance
C) Density
D) Propagation speed -
correct answer ✅B) Impedance
10. If sound energy is reduced by 50%, how many decibels were
lost?
A) 6 dB
B) 3 dB
C) 0 dB
D) 10 dB -
correct answer ✅B) 3 dB
11. To improve the quality of the motion during an
electrocardiogram, which resolution should be improved?
A) Transverse resolution
B) Lateral resolution
C) Axial resolution
D) Temporal resolution -
correct answer ✅D) Temporal resolution
