CALIFORNIA FLUOROSCOPY SUPERVISOR AND OPERATOR FINAL
TEST EXAM 2025/2026 TEST BANK 100% GUARANTEED PASS | RATED
A+
The intensity of radiation varies inversely to the square of the distance. As one moves away from
the x-ray source, he/she will receive less radiation because:
a. The primary photons are attenuated
b. The x-ray beam diverges from its point source
c. The primary photons are scattered in opposite directions
d. The rotating anode has a tendency to absorb some intensity - Answer>>> b. The x-ray beam
diverges from its point source
The component in the image intensifier that changes the field from the standard to magnification
mode is the:
a. Image intensifier collimation
b. Getter circuit
c. Output phosphor
d. Electrostatic lens - Answer>>> d. Electrostatic lens
Which of the following occur when using a well collimated exposure field during a fluoroscopic
procedure:
a. Patient dose increases
b. Operator dose increases
c. Scatter radiation decreases
,d. The brightness of the Fluoro image increases - Answer>>> c. Scatter radiation decreases
Image quality utilizing an image intensifier is improved as the size of the x-ray beam (x-ray
field) is tightly coned or collimated because:
a. The effective kVp increases
b. The effective mA increases
c. There is a reduction of scattered radiation reaching the output phosphor of the image
intensifier
d. The image becomes brighter - Answer>>> c. There is a reduction of scattered radiation
reaching the output phosphor of the image intensifier
The intensity of radiation varies inversely to the square of the distance. As one moves away from
the x-ray source, he/she will receive less radiation because:
a. The primary photons are attenuated
b. The x-ray beam diverges from its point source
c. The primary photons are scattered in opposite directions
d. The rotating anode has a tendency to absorb some intensity - Answer>>> b. The x-ray beam
diverges from its point source
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
,Fluoroscopic equipment manufactured after August 1, 1974, equipped with automatic exposure
controls (AEC) shall not be operable at any combination of tube potential and current which will
result in an exposure rate at the point where the useful x-ray beam enters the patient in excess of:
a. 1.0 roentgen/minute
b. 2.0 roentgen/minute
c. 5.0 roentgen/minute
d. 10.0 roentgen/minute - Answer>>> d. 10.0 roentgen/minute
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
A protection curtain should be interposed between the operator and the patient because scattered
radiation exposure at 1 foot from the patient could be as high as:
a. 5 milliroentgens per hour
b. 25 milliroentgens per hour
c. 100 milliroentgens per hour
d. 500 milliroentgens per hour - Answer>>> d. 500 milliroentgens per hour
All fluoroscopy machines must have an exposure switch that is of a "dead man" type. This type
of exposure switch is one that stops the exposure:
, a. When the pressure is released
b. Automatically
c. After a preset time
d. After five minute cumulative time has been reached - Answer>>> a. When the pressure is
released
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
TEST EXAM 2025/2026 TEST BANK 100% GUARANTEED PASS | RATED
A+
The intensity of radiation varies inversely to the square of the distance. As one moves away from
the x-ray source, he/she will receive less radiation because:
a. The primary photons are attenuated
b. The x-ray beam diverges from its point source
c. The primary photons are scattered in opposite directions
d. The rotating anode has a tendency to absorb some intensity - Answer>>> b. The x-ray beam
diverges from its point source
The component in the image intensifier that changes the field from the standard to magnification
mode is the:
a. Image intensifier collimation
b. Getter circuit
c. Output phosphor
d. Electrostatic lens - Answer>>> d. Electrostatic lens
Which of the following occur when using a well collimated exposure field during a fluoroscopic
procedure:
a. Patient dose increases
b. Operator dose increases
c. Scatter radiation decreases
,d. The brightness of the Fluoro image increases - Answer>>> c. Scatter radiation decreases
Image quality utilizing an image intensifier is improved as the size of the x-ray beam (x-ray
field) is tightly coned or collimated because:
a. The effective kVp increases
b. The effective mA increases
c. There is a reduction of scattered radiation reaching the output phosphor of the image
intensifier
d. The image becomes brighter - Answer>>> c. There is a reduction of scattered radiation
reaching the output phosphor of the image intensifier
The intensity of radiation varies inversely to the square of the distance. As one moves away from
the x-ray source, he/she will receive less radiation because:
a. The primary photons are attenuated
b. The x-ray beam diverges from its point source
c. The primary photons are scattered in opposite directions
d. The rotating anode has a tendency to absorb some intensity - Answer>>> b. The x-ray beam
diverges from its point source
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
,Fluoroscopic equipment manufactured after August 1, 1974, equipped with automatic exposure
controls (AEC) shall not be operable at any combination of tube potential and current which will
result in an exposure rate at the point where the useful x-ray beam enters the patient in excess of:
a. 1.0 roentgen/minute
b. 2.0 roentgen/minute
c. 5.0 roentgen/minute
d. 10.0 roentgen/minute - Answer>>> d. 10.0 roentgen/minute
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
A protection curtain should be interposed between the operator and the patient because scattered
radiation exposure at 1 foot from the patient could be as high as:
a. 5 milliroentgens per hour
b. 25 milliroentgens per hour
c. 100 milliroentgens per hour
d. 500 milliroentgens per hour - Answer>>> d. 500 milliroentgens per hour
All fluoroscopy machines must have an exposure switch that is of a "dead man" type. This type
of exposure switch is one that stops the exposure:
, a. When the pressure is released
b. Automatically
c. After a preset time
d. After five minute cumulative time has been reached - Answer>>> a. When the pressure is
released
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
