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 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 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 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 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