p p p p p p p p p
p Communication Systems p
Carter: Digital Radiography and PACS, 3rd Edition
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MULTIPLE CHOICE p
1. Film and intensifying screens are primarily used in
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a. computed radiography (CR). p p
b. digital radiography (DR). p p
c. conventional radiography. p
ANS: C p
1) Intensifying screens p
a. absorb light. p
b. emit light. p
c. absorb scatter. p
d. emit positive electrons p p p
ANS: B p OBJ: Explain latent image formation for conventional
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radiography.
p
2) Which modality was the first to use the principle of digital imaging?
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a. Computed tomography (CT) p p
b. Magnetic resonance imaging (MRI) p p p
c. Ultrasonography
d. Cardiac catheterization p
ANS: A p OBJ: Define the term digp p p p
3) Who was the first to incorporate digital imaging with the CT scanner?
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a. Paul Lauterbur p
b. Godfrey Hounsfield p
c. Sol Nudelman p
d. M. Paul Capp p p
ANS: B p OBJ: Define the term digital imaging.
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,4) Teleradiology, moving images via telephone lines to and farboirmb.croemm/teostte locations,
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pwas first conceptualized by
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a. Paul Lauterbur.
p
b. M. Paul Capp.
p p
c. Albert Jutras. p
d. Sol Nudelman.
p
, ANS: C p OBJ: Define digital imaging and communications in medicine.
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5) The invention of CT is heralded as
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a. the advanced use of three-dimensional computation in medical imaging.
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b. one of the greatest milestones in medical imaging.
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c. the stepping stone for the development of MRI.
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d. the first modality to use PACS.
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ANS: B p OBJ: Define the term digital imaging.
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6) Early reconstruction of raw CT data took a few _
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a. minutes
b. hours
c. days
ANS: C p OBJ: Define the term digital imaging.
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7) The first commercial CT scanners could image the
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a. abdomen only. p
b. head only. p
c. head and abdomen. p p
d. total body. p
ANS: B p OBJ: Define the term digital imaging.
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8) In which decade was MRI first introduced?
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a. 1950s
b. 1960s
c. 1970s