Verified Answers Graded A+
A standoff pad thicker than 1 cm is not recommended because it will :☑️Correct Ans-Affect the
optimal placement of the fixed elevation plane focus
Which type of transducer does NOT allow the sonographer to vary the focusing
capabilities?☑️Correct Ans-Mechanical sector
When taking patient history for a breast sonogram, what information from a previous
mammogram would not be considered relevant?☑️Correct Ans-Name of radiographer
Image of amplitude is affected by :☑️Correct Ans-Power, overall gain, and time gain
compensation (TGC)
High-frequency transducers used in breast imaging provide excellent resolution of breast tissues
but limited :☑️Correct Ans-Penetration
When using the 123-ABC method of annotation, "B" would indicate :☑️Correct Ans-Mass is in
the mammary zone
In the 123-ABC method of annotation, the number denote the :☑️Correct Ans-Distance from
the nipple
,Which method of patient positioning is the best for evaluation the medial aspect of the breast
?☑️Correct Ans-Supine
The two-handed technique is used to image :☑️Correct Ans-The main breast duct and nipple
Which of the following transducers would be the best choice for breast imaging ?☑️Correct
Ans-10 MHz linear array
Selecting multiple focal zones will :☑️Correct Ans-Decrease frame rate
When viewing a mammogram, one always sees the marker in the region toward :☑️Correct
Ans-Axilla
If a breast sonographic image is labeled "Rt. AR 2:00 1A", the area described is :☑️Correct
Ans-Antiradial scan of the right breast, upper inner quadrant near the nipple, under the skin
When viewing a mammogram, a mass is marked near the CC marker in the right breast. This will
indicate to the sonographer that the mass is located :☑️Correct Ans-In the lateral breast
Which artifact may cause structures to look deeper than they actually are?☑️Correct Ans-
Propagation speed error
The optimum operating frequency for a broad-bandwidth transducer would be :☑️Correct Ans-
10 MHz
,In breast sonography, what is NOT significantly affected by the limited field of view when
imaging superficial structures?☑️Correct Ans-Temporal resolution
Which of the following affects the actual intensity of the sound utilized for imaging?☑️Correct
Ans-Output power
The dynamic range of a display is the :☑️Correct Ans-Number of gray shades
Using color/power doppler while a patient hums to better dilineate a mass is called :☑️Correct
Ans-Fremitus
A transducer that can operate at multiple frequencies is said to have :☑️Correct Ans-Broad
bandwidth
All of the following statements about high-frequency transducers are true :☑️Correct Ans--
Axial resolution is increased
- Lateral resolution is increased
- Sound penetration is decreased
- Best for breast imaging
The following statement about high-frequency transducers is false :☑️Correct Ans-Sound
travels faster
, Decreasing depth will :☑️Correct Ans-Increase the frame rate
Increasing the overall gain control will :☑️Correct Ans-Cause artifactual echoes
What allows for better demonstration of small, tortuous vessels ?☑️Correct Ans-Power doppler
What affects the frame rate ?☑️Correct Ans-Number of focal zones and size of image
Ideally, the elevational focus for breast imaging should be fixed at :☑️Correct Ans-1.5 cm
An increase in the intensity of echoes beneath a structure is called :☑️Correct Ans-
Enhancement
What is not a good indication for performing a breast sonogram?☑️Correct Ans-Evaluate a
mass for microcalcifications
When setting the TGC control for breast imaging, the following tissue should demonstrate a
medium level of gray.☑️Correct Ans-Fat
The lactiferous ducts are best seen when scanning :☑️Correct Ans-Radial
The orthogonal (defined as perpendicular) view from the longitudinal scan is :☑️Correct Ans-
Transverse