ARRT TEST 3 Flashcards
Which of the following can cause delays in lactogenesis?
high levels of cortisol
What type of artifact is associated with patient movement distorting the image?
motion artifact
The characteristics of the mammography system would include all but which of the following?
Dose efficiency
Spatial resolution
Image noise transfer
Variable noise patterns
Variable noise patterns
The caudocranial (FB) projection prevents the abdomen from:
entering the x-ray field
A clinical breast exam is performed by whom?
physician
Which of the following is the most common anomaly of the breast?
Polythelia
Tight clusters and irregular shapes of breast calcifications are an indicator for what?
breast cancer
Which of the following is considered an artifact caused by the image detector?
Dust spots
Image noise
Dead pixels
Hazy segments
dead pixels
What subcategory of BIRADS IV is associated with intermediate level of suspicion for malignancy?
Category 4b
Five to ten percent of invasive breast tumors are classified as which of the following?
lobular carcinoma
If a patient presents with special circumstances, such as excess scar tissue, what type of mammogram should be used?
diagnostic mammogram
Which of the following might be considered a complication of simple mastectomy?
flap necrosis
What is the advantage of a SOFT paddle over a conventional paddle?
It provides equal compression to all areas of the breast
In an analog mammography unit, a grid improves image contrast by letting the primary x-ray beam pass through:
its interspace material
Compared to analog mammography, digital mammography is a better method of obtaining mammograms because it allows for what
gray areas
XCCL requires what?
The lateral aspect of the breast to be placed in a forward position.
Unlike a core needle biopsy, a vacuum-assisted biopsy is able to obtain multiple biopsy samples by doing what?
creating one insertion site
How long does ductography typically take to perform?
30 minutes to an hour to complete
Total filtration is equal to which of the following?
inherent + added
In which MLO section will the anterior breast be held and supported outward while the breast is compressed?
Central and posterior deep tissue.
When viewing the digital image on the monitor, the radiologist can refine the image by using all but which of the following?
Zoom
Changing contrast
Window/leveling
Inverting the image
Changing contrast
VNA
Vendor neutral archive.
Which of the following categories of the BI-RADS assessment categories requires findings less than 2% for malignancy risk?
BIRAD 3
Fibrous tissue that forms in the breast is known as which of the following?
fibrosis