SPI - Ultrasound Physics Registry Review (Ultrasound Board Review)
Actual EXAM Questions with Detailed Verified Answers / Already Graded A +
1. The location of the ultrasound beam where the d) Focus
diameter is the most narrow is called the:
a) Focal Depth
b) Focal Length
c) Focal Zone
d) Focus
2. The Focal Zone is the region around the focus b) Relatively Narrow
where the beam is:
a) The narrowest
b) Relatively Narrow
c) 1/2 the beam diameter of the transducer
d) 1/4 the beam diameter of the transducer
3. ___________ __________ has half of it's portion lo- b) Focal Zone
cated in the Freznel Zone, and half of it's portion
in the Fraunhofer Zone.
a) Focal Length
b) Focal Zone
c) Focal Point
d) Focal Depth
4. According to the Doppler equation, for any giv- b) Transmit frequency
en velocity, the frequency shift will increase by
increasing the:
a) Doppler Angle
b) Transmit Frequency
c) Pulse Length
, d) Pulse Repetition Frequency
e) All of the above
5. Which of the following predicts the onset of Tur- d) Reynold's Number
bulent Flow?
a) Concentration of energy
b) Continuity Rule
c) Aliasing
d) Reynold's Number
6. While evaluating arteries in the body with Color d) Decrease the Ultrasound Fre-
Doppler, you are unable to obtain signals from quency
the deeper vessels. What should you do to en-
hance your ability to demonstrate deep flow?
a) Decrease the packet size
b) Increase the scan line density
c) Increase the pulse repetition frequency
d) Decrease the Ultrasound Frequency
7. Which of the following helps to improve the Ax- b) Increase the Bandwidth
ial Resolution in a B-Mode Image?
a) Increase the aperture size
b) Increase the Bandwidth
c) Use focusing with an acoustic lens
d) Increase the Dynamic Range
8. What is the direction of blood flow in this video? c) Unable to determine blood flow
direction
a) Right to Left
(Power Doppler, no scale, cannot
, b) Left to Right determine direction, only shows
c) Unable to determine blood flow direction flow)
9. Which transducer in this video will have a Cosine c) Transducer B
of 0.5? (30 Degree Angle = 0.5 Cosine)
a) Transducer D
b) Transducer C
c) Transducer B
d) Transducer A
10. Noise arising from small amplitude sound d) Acoustic Speckle
waves interfering with each other is called
what?
a) Reverberations
b) Aliasing
c) Ghosting
d) Acoustic Speckle
11. What appears as very small amplitude echoes c) Noise
from electrical interference that affects low-level
echolucent areas?
a) Shadowing
b) Multipath
c) Noise
d) Ghosting
12. How many bits are required to display 15 differ- a) 4 bits
ent shades of Gray?
a) 4 bits
, b) 3 bits
c) 8 bits
d) 10 bits
13. Line density in a rectangular image is: b) The number of scan lines per
centimeter
a) The number of scan lines per degree
b) The number of scan lines per centimeter
c) The number of scan lines per second
d) The number of scan lines per Piezoelectric
crystal
14. Which of the following will have the greatest c) Decrease depth from 10 cm to 5
improvement of temporal resolution? cm and reduce scan lines by half
a) Double the line density and decrease depth
by half
b) Double the persistence and scan structures
more shallow
c) Decrease depth from 10 cm to 5 cm and re-
duce scan lines by half
d) Change frequency from 3 MHz to 6 MHz and
decrease the line density by half
15. Which of the following is the most appropriate a) Immediately stop the exam and
response when a patient refuses an exam? leave
a) Immediately stop the exam and leave
b) Convince the patient that the doctor really
wants the exam and proceed
c) Ignore the patient's request and continue as
planned
Actual EXAM Questions with Detailed Verified Answers / Already Graded A +
1. The location of the ultrasound beam where the d) Focus
diameter is the most narrow is called the:
a) Focal Depth
b) Focal Length
c) Focal Zone
d) Focus
2. The Focal Zone is the region around the focus b) Relatively Narrow
where the beam is:
a) The narrowest
b) Relatively Narrow
c) 1/2 the beam diameter of the transducer
d) 1/4 the beam diameter of the transducer
3. ___________ __________ has half of it's portion lo- b) Focal Zone
cated in the Freznel Zone, and half of it's portion
in the Fraunhofer Zone.
a) Focal Length
b) Focal Zone
c) Focal Point
d) Focal Depth
4. According to the Doppler equation, for any giv- b) Transmit frequency
en velocity, the frequency shift will increase by
increasing the:
a) Doppler Angle
b) Transmit Frequency
c) Pulse Length
, d) Pulse Repetition Frequency
e) All of the above
5. Which of the following predicts the onset of Tur- d) Reynold's Number
bulent Flow?
a) Concentration of energy
b) Continuity Rule
c) Aliasing
d) Reynold's Number
6. While evaluating arteries in the body with Color d) Decrease the Ultrasound Fre-
Doppler, you are unable to obtain signals from quency
the deeper vessels. What should you do to en-
hance your ability to demonstrate deep flow?
a) Decrease the packet size
b) Increase the scan line density
c) Increase the pulse repetition frequency
d) Decrease the Ultrasound Frequency
7. Which of the following helps to improve the Ax- b) Increase the Bandwidth
ial Resolution in a B-Mode Image?
a) Increase the aperture size
b) Increase the Bandwidth
c) Use focusing with an acoustic lens
d) Increase the Dynamic Range
8. What is the direction of blood flow in this video? c) Unable to determine blood flow
direction
a) Right to Left
(Power Doppler, no scale, cannot
, b) Left to Right determine direction, only shows
c) Unable to determine blood flow direction flow)
9. Which transducer in this video will have a Cosine c) Transducer B
of 0.5? (30 Degree Angle = 0.5 Cosine)
a) Transducer D
b) Transducer C
c) Transducer B
d) Transducer A
10. Noise arising from small amplitude sound d) Acoustic Speckle
waves interfering with each other is called
what?
a) Reverberations
b) Aliasing
c) Ghosting
d) Acoustic Speckle
11. What appears as very small amplitude echoes c) Noise
from electrical interference that affects low-level
echolucent areas?
a) Shadowing
b) Multipath
c) Noise
d) Ghosting
12. How many bits are required to display 15 differ- a) 4 bits
ent shades of Gray?
a) 4 bits
, b) 3 bits
c) 8 bits
d) 10 bits
13. Line density in a rectangular image is: b) The number of scan lines per
centimeter
a) The number of scan lines per degree
b) The number of scan lines per centimeter
c) The number of scan lines per second
d) The number of scan lines per Piezoelectric
crystal
14. Which of the following will have the greatest c) Decrease depth from 10 cm to 5
improvement of temporal resolution? cm and reduce scan lines by half
a) Double the line density and decrease depth
by half
b) Double the persistence and scan structures
more shallow
c) Decrease depth from 10 cm to 5 cm and re-
duce scan lines by half
d) Change frequency from 3 MHz to 6 MHz and
decrease the line density by half
15. Which of the following is the most appropriate a) Immediately stop the exam and
response when a patient refuses an exam? leave
a) Immediately stop the exam and leave
b) Convince the patient that the doctor really
wants the exam and proceed
c) Ignore the patient's request and continue as
planned
