1
CCI: Physics of Ultrasound-URR Questions and
Answers Latest Version (2024/2025) 100% Pass
Which of the following adjustments will change the image data that will be
stored in the memory of the ultrasound system?
A) Both pre-processing and post-processing
B) Post-processing
C) Changing monitor contrast settings at the beginning of the exam.
D) Pre-Processing - (ANSWER)Pre-processing-is performed as the image is "live"
or in real time, before it has been stored to memory.
Which measurement of beam intensity is used to describe levels of intensity
associated with US bioeffects?
A) Spatial peak temporal peak
B) Spatial average temporal peak
C) Spatial average temporal average
D) Spatial peak temporal average - (ANSWER)Spatial peak temporal average
Which of the following technical factors can negatively affect the 2D planimetry
evaluation of the mitral valve?
A) Valve masking from mechanical MVR and lateral resolution
, 2
B) Transducer with a short spatial pulse length and long wavelength
C) Lateral resolution and gain settings
D) Transducer with a short spatial pulse length and high frequency -
(ANSWER)Lateral resolution and gain settings
________________ occurs posterior to highly attenuating structures.
A) Misregistration
B) Refraction
C) Shadowing
D) Enhancement - (ANSWER)Shadowing
If you increase the power output on the machine:
A) Beam intensity and beam penetration increases
B) Beam intensity and the magnitude of the doppler shift increases
C) Beam intensity, resolution and beam penetration increase
D) Beam penetration and the magnitude of the doppler shift increase -
(ANSWER)Beam intensity and beam penetration increase
Which of the following will aid in visualization of the endocardium?
, 3
A) Increased transducer frequency
B) Larger sector size
C) Increased wall filter
D) Agitated saline contrast - (ANSWER)Increased transducer frequency-this will
improve spatial and contrast resolution
All of the following are techniques used to better visualize the LV apex in the
apical view, except?
A) Change to a lower frequency transducer
B) Contrast administration
C) Apply color doppler to the LV chamber
D) Adjust focal zone depth - (ANSWER)Change to a lower frequency transducer-a
lower frequency probe will improve penetration but decrease resolution
Which of the following ultrasound techniques has the highest temporal
resolution?
A) 3D imaging
B) 2D imaging
C) Color doppler
, 4
D) M-Mode - (ANSWER)M-Mode
Lateral resolution is defined as:
A) The ability to differentiate two reflectors that are perpendicular to the US
beam
B) The ability to differentiate two reflectors that are moving in a direction parallel
to the US beam
C) The ability to differentiate two reflectors that are parallel to the US beam
D) The ability to differentiate two reflectors that are moving in a direction that is
perpendicular to the US beam - (ANSWER)The ability to differentiate two
reflectors that are parallel to the US beam
Frequencies used in transthoracic imaging are usually in the range of
____________. Frequencies used in transesophageal imaging are usually in the
range of ______________.
A) 3-6 MHz;6-8 MHz
B) 3-6 MHz; 5-7 MHz
C) 2.5-4 MHz; 5-7 MHz
D) 1-3 MHz; 6-8 MHz - (ANSWER)2.5-4 MHz; 5-7 MHz
CCI: Physics of Ultrasound-URR Questions and
Answers Latest Version (2024/2025) 100% Pass
Which of the following adjustments will change the image data that will be
stored in the memory of the ultrasound system?
A) Both pre-processing and post-processing
B) Post-processing
C) Changing monitor contrast settings at the beginning of the exam.
D) Pre-Processing - (ANSWER)Pre-processing-is performed as the image is "live"
or in real time, before it has been stored to memory.
Which measurement of beam intensity is used to describe levels of intensity
associated with US bioeffects?
A) Spatial peak temporal peak
B) Spatial average temporal peak
C) Spatial average temporal average
D) Spatial peak temporal average - (ANSWER)Spatial peak temporal average
Which of the following technical factors can negatively affect the 2D planimetry
evaluation of the mitral valve?
A) Valve masking from mechanical MVR and lateral resolution
, 2
B) Transducer with a short spatial pulse length and long wavelength
C) Lateral resolution and gain settings
D) Transducer with a short spatial pulse length and high frequency -
(ANSWER)Lateral resolution and gain settings
________________ occurs posterior to highly attenuating structures.
A) Misregistration
B) Refraction
C) Shadowing
D) Enhancement - (ANSWER)Shadowing
If you increase the power output on the machine:
A) Beam intensity and beam penetration increases
B) Beam intensity and the magnitude of the doppler shift increases
C) Beam intensity, resolution and beam penetration increase
D) Beam penetration and the magnitude of the doppler shift increase -
(ANSWER)Beam intensity and beam penetration increase
Which of the following will aid in visualization of the endocardium?
, 3
A) Increased transducer frequency
B) Larger sector size
C) Increased wall filter
D) Agitated saline contrast - (ANSWER)Increased transducer frequency-this will
improve spatial and contrast resolution
All of the following are techniques used to better visualize the LV apex in the
apical view, except?
A) Change to a lower frequency transducer
B) Contrast administration
C) Apply color doppler to the LV chamber
D) Adjust focal zone depth - (ANSWER)Change to a lower frequency transducer-a
lower frequency probe will improve penetration but decrease resolution
Which of the following ultrasound techniques has the highest temporal
resolution?
A) 3D imaging
B) 2D imaging
C) Color doppler
, 4
D) M-Mode - (ANSWER)M-Mode
Lateral resolution is defined as:
A) The ability to differentiate two reflectors that are perpendicular to the US
beam
B) The ability to differentiate two reflectors that are moving in a direction parallel
to the US beam
C) The ability to differentiate two reflectors that are parallel to the US beam
D) The ability to differentiate two reflectors that are moving in a direction that is
perpendicular to the US beam - (ANSWER)The ability to differentiate two
reflectors that are parallel to the US beam
Frequencies used in transthoracic imaging are usually in the range of
____________. Frequencies used in transesophageal imaging are usually in the
range of ______________.
A) 3-6 MHz;6-8 MHz
B) 3-6 MHz; 5-7 MHz
C) 2.5-4 MHz; 5-7 MHz
D) 1-3 MHz; 6-8 MHz - (ANSWER)2.5-4 MHz; 5-7 MHz
