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CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR AND OPERATOR PERMIT / CALIFORNIA FLUOROSCOPY SUPERVISOR AND OPERATOR PRACTICE EXAM 150 QUESTIONS AND CORRECT ANSWERS. $21.99   Add to cart

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CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR AND OPERATOR PERMIT / CALIFORNIA FLUOROSCOPY SUPERVISOR AND OPERATOR PRACTICE EXAM 150 QUESTIONS AND CORRECT ANSWERS.

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CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR AND OPERATOR PERMIT / CALIFORNIA FLUOROSCOPY SUPERVISOR AND OPERATOR PRACTICE EXAM 150 QUESTIONS AND CORRECT ANSWERS.

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  • August 11, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR
  • CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR
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CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR
AND OPERATOR PERMIT / CALIFORNIA FLUOROSCOPY
SUPERVISOR AND OPERATOR PRACTICE EXAM 150 QUESTIONS
AND CORRECT ANSWERS.


Which of the following properties are associated with cones rather than rods:


a. Contrast perception
b. Color detection
c. Visual acuity
d. All of the above - ANSWER-d. All of the above


How long does it take for the fluoroscopic table to move from the horizontal to
the vertical position?


a. 5-15 sec
b. 10-20 sec
c. 25-30 sec
d. 30-40 sec - ANSWER-c. 25-30 sec


Visible light:


a. Is not part of the electromagnetic spectrum
b. Has higher energy than x-rays

,c. Is the only part of the electromagnetic spectrum we can see
d. Has lower energy than radiowaves - ANSWER-c. Is the only part of the
electromagnetic spectrum we can see


Most modern image intensifiers use an input fluorescent screen layer that is
composed of:


a. Calcium tungstate
b. Cesium iodide
c. Barium lead sulfate
d. Zinc cadmium sulfide - ANSWER-b. Cesium iodide


The conversion of light energy into a proportional amount of electrons is
accomplished by a/an:


a. Electron gun
b. Photomultiplier
c. Electrostatic lens
d. Photocathode - ANSWER-d. Photocathode


The acceleration of the electron stream inside the image intensifier requires a
potential difference (voltage) of


a. 25 volts
b. 50 volts
c. 25 kilovolts

,d. 50 kilovolts - ANSWER-c. 25 kilovolts


The ouput screen of an image intesifier functions to convert ___ into ____ :


a. Light, electrons
b. Light, x-rays
c. Electrons, light
d. X-rays, electrons - ANSWER-c. Electrons, light


The target to panel and target to skin distance shall not be less than:


a. 18 in
b. 35 cm
c. 40 in
d. 12 in - ANSWER-d. 12 in


The squared ratio of input screen to output screen is called:


a. Minification ratio
b. Flux gain
c. Magnification ratio
d. Conversion ratio - ANSWER-a. Minification ratio


A 9" input screen and a 1" output screen increases brightness:

, a. 9 times
b. 18 times
c. 40 times
d. 81 times - ANSWER-d. 81 times


The point in the image intensifier tube where the electrons cross:


a. Optical point
b. Electronic focal point
c. Input focal point
d. Output focal point - ANSWER-b. Electronic focal point


In order to prevent light from scattering back to the photocathode intensifier, a
thin sheet of aluminum is placed onto:


a. Input phosphor
b. Photocathode
c. Output phosphor
d. Output focal spot - ANSWER-c. Output phosphor


Which of the following could be used to increase brightness gain?


a. A higher x-ray beam intensity
b. Decrease minification ratio

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