Question 1
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
Question 2
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
Question 3
Frequency increased from 3 MHz to 6 MHz, what will happen to wavelength?
1
@THE STUDY VAULT
,A) Doubled
B) Quadrupled
C) Halved
D) Quartered
CORRECT ANSWER
C) Halved
Question 4
Intensity is equal to:
A) power/area
B) propagation speed/frequency
C) density x propagation speed
D) area/power
CORRECT ANSWER
A) power/area
Question 5
5. What is important when selecting a transducer frequency?
A) Depth
B) Power
C) Velocity
D) Propagation speed
CORRECT ANSWER
A) Depth
2
@THE STUDY VAULT
,Question 6
6. Frequency is a factor in:
A) impedance
B) tissue attenuation
C) propagation speed
D) tissue density
CORRECT ANSWER
B) tissue attenuation
Question 7
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
Question 8
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
3
@THE STUDY VAULT
, CORRECT ANSWER
A) There will be a small reflection
Question 9
9. Which property of sound is measured in Rayls?
A) Intensity
B) Impedance
C) Density
D) Propagation speed
CORRECT ANSWER
B) Impedance
Question 10
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
Question 11
11. To improve the quality of the motion during an electrocardiogram, which resolution
should be improved?
4
@THE STUDY VAULT
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
Question 2
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
Question 3
Frequency increased from 3 MHz to 6 MHz, what will happen to wavelength?
1
@THE STUDY VAULT
,A) Doubled
B) Quadrupled
C) Halved
D) Quartered
CORRECT ANSWER
C) Halved
Question 4
Intensity is equal to:
A) power/area
B) propagation speed/frequency
C) density x propagation speed
D) area/power
CORRECT ANSWER
A) power/area
Question 5
5. What is important when selecting a transducer frequency?
A) Depth
B) Power
C) Velocity
D) Propagation speed
CORRECT ANSWER
A) Depth
2
@THE STUDY VAULT
,Question 6
6. Frequency is a factor in:
A) impedance
B) tissue attenuation
C) propagation speed
D) tissue density
CORRECT ANSWER
B) tissue attenuation
Question 7
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
Question 8
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
3
@THE STUDY VAULT
, CORRECT ANSWER
A) There will be a small reflection
Question 9
9. Which property of sound is measured in Rayls?
A) Intensity
B) Impedance
C) Density
D) Propagation speed
CORRECT ANSWER
B) Impedance
Question 10
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
Question 11
11. To improve the quality of the motion during an electrocardiogram, which resolution
should be improved?
4
@THE STUDY VAULT
