Test Bank For Radiographic Imaging And Exposure 6Th Edition By Fauber
TEST BANK FOR RADIOGRAPHIC IMAGING AND EXPOSURE 6TH EDITION BY FAUBER Chapter 02: The X-ray Beam Fauber: Radiographic Imaging and Exposure, 6th Edition MULTIPLE CHOICE 1. The is the portion of the x-ray tube that contains the filament. a. cathode b. anode c. rotor d. rotating disk ANS: A The filament, the source of electrons during x-ray production, is located in the cathode. 2. The cathode filament is made of: a. tungsten. b. rhenium. c. molybdenum. d. lead. e. nickel. ANS: A The cathode filament is made of tungsten. 3. The focusing cup: a. surrounds the anode. b. has a positive charge. c. has a negative charge. d. focuses the x-ray beam. ANS: C The focusing cup, surrounding the filament on three sides, has a negative charge, keeping the negatively charged electrons focused. 4. In a dual-focus tube, how many filaments are energized at any one-time during x-ray production? a. One b. Two c. Four d. An infinite number ANS: A Only one filament is energized at any one-time during x-ray production. 5. The focusing cup is made of: a. tungsten. b. rhenium. c. molybdenum.
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