CALIFORNIA FLUOROSCOPY SUPERVISOR
AND OPERATOR FINAL EXAM 2025 TEST
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The major reason that image a. Dynamic viewing
intensified fluoroscopy is
employed is that it allows for:
a. Dynamic viewing
b. Rapid development
c. High visual acuity
d. Low patient exposure
Portable intensified fluoroscopy c. 5 R/min
used for diagnostic purposes
must not exceed ____ at the
tabletop:
a. 1 R/min
b. 3 R/min
c. 5 R/min
d. 10 R/min
Which type of vision is most a. Photopic
commonly employed during
conventional fluoroscopic
exam?
a. Photopic
b. Scotopic
c. Mesopic
d. Lovotopic
,As the illumination of the light a. Increases
source increases, visual acuity:
note:
a. Increases at low light = visual acuity is lowest
b. Decreases at bright light = visual acuity is max
c. Remains the same
The time over which the human c. Integration
eye can store a visual image is
termed _____ time:
a. Adaptation
b. Acuity
c. Integration
d. Illumination
Which of the following c. Cornea
structures if first to intercept
light incident on the eye
a. Rods
b. Iris
c. Cornea
d. Cones
The normal view distance for c. 12-15 in
binocular vision is
a. 1-2 in
b. 4-8 in
c. 12-15 in
d. 16-20 in
In general, during conventional a. High kVp, low mA
fluoroscopic examinations the
preferred technique is:
a. High kVp, low mA
b. High kVp, low mAs
c. Low kVp, high mAs
d. Low kVp, high mA
Which of the following d. All of the above
properties are associated with
cones rather than rods:
a. Contrast perception
b. Color detection
c. Visual acuity
d. All of the above
, How long does it take for the c. 25-30 sec
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
Visible light: c. Is the only part of the electromagnetic spectrum we can see
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
Most modern image intensifiers b. Cesium iodide
use an input fluorescent screen
layer that is composed of:
a. Calcium tungstate
b. Cesium iodide
c. Barium lead sulfate
d. Zinc cadmium sulfide
The conversion of light energy d. Photocathode
into a proportional amount of
electrons is accomplished by
a/an:
a. Electron gun
b. Photomultiplier
c. Electrostatic lens
d. Photocathode
The acceleration of the electron c. 25 kilovolts
stream inside the image
intensifier requires a potential
difference (voltage) of
a. 25 volts
b. 50 volts
c. 25 kilovolts
d. 50 kilovolts
The ouput screen of an image c. Electrons, light
intesifier functions to convert ___
into ____ :
a. Light, electrons
b. Light, x-rays
c. Electrons, light
d. X-rays, electrons