RADT 100 Study Guide Exam 2
1. Digital imaging techniques can be used in .
a.) computed tomography
b.) ultrasound
c.) magnetic resonance imaging
d.) all answers listed: all answers listed
2. Mammography is radiographic imaging of the
?: Breast
3. Digital imaging could only be developed after advances
were made in
.: microprocessors and semiconductors memory
4. Which of the following modalities requires the best spatial
resolution?: -
mammography
5. As spatial resolution increases, lp/mm
.: increases
6. The dynamic range determines the degree of
in the im- age.: Contrast resolution
7. Digital fluoroscopy uses at least
monitor(s).: 2
, 8. A principle advantage of digital fluoroscopy is?: image
subtraction
9. Digital fluoroscopy systems with hybrid capabilities use
both
.: Temporal and energy subtraction
10. Digital fluoroscopic dose rate is lower than that for
continuous analog fluoroscopy.: true
11. Further imaging workup of breast cancer can include?:
Ultrasound
Tomosynthesis
MRI
12. Recent studies have shown that 50% of breast cancers
will occur in the
.: Upper outer quadrant
13. Approximately of breast cancer is DCIS?:
80%
14. Soft tissue radiography requires special techniques
because of the low
.: Subject contrast
15. When doing soft tissue radiography, the differential
absorption between
and must be enhanced.: Glandular, fat
16. DQE is .: detective quantum efficiency
1. Digital imaging techniques can be used in .
a.) computed tomography
b.) ultrasound
c.) magnetic resonance imaging
d.) all answers listed: all answers listed
2. Mammography is radiographic imaging of the
?: Breast
3. Digital imaging could only be developed after advances
were made in
.: microprocessors and semiconductors memory
4. Which of the following modalities requires the best spatial
resolution?: -
mammography
5. As spatial resolution increases, lp/mm
.: increases
6. The dynamic range determines the degree of
in the im- age.: Contrast resolution
7. Digital fluoroscopy uses at least
monitor(s).: 2
, 8. A principle advantage of digital fluoroscopy is?: image
subtraction
9. Digital fluoroscopy systems with hybrid capabilities use
both
.: Temporal and energy subtraction
10. Digital fluoroscopic dose rate is lower than that for
continuous analog fluoroscopy.: true
11. Further imaging workup of breast cancer can include?:
Ultrasound
Tomosynthesis
MRI
12. Recent studies have shown that 50% of breast cancers
will occur in the
.: Upper outer quadrant
13. Approximately of breast cancer is DCIS?:
80%
14. Soft tissue radiography requires special techniques
because of the low
.: Subject contrast
15. When doing soft tissue radiography, the differential
absorption between
and must be enhanced.: Glandular, fat
16. DQE is .: detective quantum efficiency
