Screening mammography recommends that ____ and ____ projections be performed
correct answers A. craniocaudal, mediolateral oblique
Ultrasound depends on the echo of the high-frequency sound waves produced by the
transducer. Tissue that produces a strong reflection is known as ____ correct answers
D. hyperechoic or echogenic
Ultrasound is limited by acoustic barriers, such as ____ correct answers B. air and
bone
The modality that views tissue from multiple angles using a narrow x-ray beam is _____
correct answers A. CT
The CT technique using continuous scanning while the table moves the patient through
the gantry is ____ correct answers A. helical scanning
Currently the term multidetector CT indicates ____ correct answers C. 16-320
multidetectory array
Which of the following is not a postprocessing imaging technique for CT? correct
answers D. fat suppression
To create an image in MRI, the technology depends on ____ correct answers A.
hydrogen atoms and their response to radio frequency pulses
Multiple-pulse sequences may be required to illustrate pathophysiologic changes.
Examples of MRI pulse sequences are ____ correct answers A. T1- and T2-weighted
images
Nuclear medicine and SPECT imaging rely on scintillation cameras to detect ____
correct answers C. gamma rays
PET imaging is especially useful to evaluate _____ correct answers C. preradiation and
postradiation or chemotherapy
Hybrid imaging equipment combines ____ correct answers C. two modalities
simultaneously to produce one set of images
Screening mammography images include _____ correct answers craniocaudal and
mediolateral oblique projections