Test Bank for Digital Radiography and PACS 2nd Edition by Carter

Chapter 01: Introduction to Digital Radiography and PACS
Test Bank


MULTIPLE CHOICE

1. Film and intensifying screens are primarily used in:
a. computed radiography (CR).
b. digital radiography (DR).
c. conventional radiography.
d. picture archival and communication systems.
ANS: C REF: 4
OBJ: Explain latent image formation for conventional radiography.

2. Intensifying screens:
a. absorb light.
b. emit light.
c. absorb scatter.
d. emit positive electrons.
ANS: B REF: 4
OBJ: Explain latent image formation for conventional radiography.

3. Which modality was the first to use the principle of digital imaging?
a. Computed tomography (CT)
b. Magnetic resonance imaging (MRI)
c. Ultrasonography
d. Cardiac catheterization
ANS: A REF: 4 OBJ: Define the term digital imaging.

4. Who was the first to incorporate digital imaging with the CT scanner?
a. Paul Lauterbur
b. Godfrey Hounsfield
c. Sol Nudelman
d. M. Paul Capp
ANS: B REF: 4 OBJ: Define the term digital imaging.

5. Teleradiology, moving images via telephone lines to and from remote locations, was first
conceptualized by:
a. Paul Lauterbur.
b. M. Paul Capp.
c. Albert Jutras.
d. Sol Nudelman.
ANS: C REF: 5
OBJ: Define digital imaging and communications in medicine.

6. The invention of CT is heralded as:

, a. the advanced use of three-dimensional computation in medical imaging.
b. one of the greatest milestones in medical imaging.
c. the stepping stone for the development of MRI.
d. the first modality to use PACS.
ANS: B REF: 5 OBJ: Define the term digital imaging.

7. Early reconstruction of raw CT data took a few ______ to form a recognizable image.
a. minutes
b. hours
c. days
ANS: C REF: 5 OBJ: Define the term digital imaging.

8. The first commercial CT scanners could image the:
a. abdomen only.
b. head only.
c. head and abdomen.
d. total body.
ANS: B REF: 5 OBJ: Define the term digital imaging.

9. In which decade was MRI first introduced?
a. 1950s
b. 1960s
c. 1970s
d. 1980s
ANS: D REF: 5 OBJ: Define the term digital imaging.

10. Which two modalities could easily be converted to digital imaging properties?
a. CT and ultrasonography
b. CT and MRI
c. Ultrasonography and nuclear medicine
d. Nuclear medicine and CT
ANS: C REF: 5 OBJ: Define the term digital imaging.

11. Early picture archival and communication systems were first developed:
a. in Canada.
b. by the U.S. military.
c. by Albert Jutras.
d. by NASA.
ANS: B REF: 6 OBJ: Explain what a PACS is and how it is used.

12. Teleradiography incorporated ______ to produce radiographic images.
a. satellite feeds
b. cable lines
c. T1 cables
d. telephone lines
ANS: D REF: 5 OBJ: Explain what a PACS is and how it is used.