CALIFORNIA FLUOROSCOPY SUPERVISOR AND
OPERATOR EXAM 140 QUESTIONS & CORRECT
ANSWERS LATEST 2025
The major reason that image intensified fluoroscopy is employed is that it allows
for:
a. Dynamic viewing
b. Rapid development
c. High visual acuity
d. Low patient exposure - ANSWER-a. Dynamic viewing
Portable intensified fluoroscopy 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 - ANSWER-c. 5 R/min
Which type of vision is most commonly employed during conventional
fluoroscopic exam?
,a. Photopic
b. Scotopic
c. Mesopic
d. Lovotopic - ANSWER-a. Photopic
As the illumination of the light source increases, visual acuity:
a. Increases
b. Decreases
c. Remains the same - ANSWER-a. Increases
note:
at low light = visual acuity is lowest
at bright light = visual acuity is max
The time over which the human eye can store a visual image is termed _____
time:
a. Adaptation
b. Acuity
c. Integration
d. Illumination - ANSWER-c. Integration
Which of the following structures if first to intercept light incident on the eye
,a. Rods
b. Iris
c. Cornea
d. Cones - ANSWER-c. Cornea
The normal view distance for binocular vision is
a. 1-2 in
b. 4-8 in
c. 12-15 in
d. 16-20 in - ANSWER-c. 12-15 in
In general, during conventional 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 - ANSWER-a. High kVp, low mA
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
OPERATOR EXAM 140 QUESTIONS & CORRECT
ANSWERS LATEST 2025
The major reason that image intensified fluoroscopy is employed is that it allows
for:
a. Dynamic viewing
b. Rapid development
c. High visual acuity
d. Low patient exposure - ANSWER-a. Dynamic viewing
Portable intensified fluoroscopy 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 - ANSWER-c. 5 R/min
Which type of vision is most commonly employed during conventional
fluoroscopic exam?
,a. Photopic
b. Scotopic
c. Mesopic
d. Lovotopic - ANSWER-a. Photopic
As the illumination of the light source increases, visual acuity:
a. Increases
b. Decreases
c. Remains the same - ANSWER-a. Increases
note:
at low light = visual acuity is lowest
at bright light = visual acuity is max
The time over which the human eye can store a visual image is termed _____
time:
a. Adaptation
b. Acuity
c. Integration
d. Illumination - ANSWER-c. Integration
Which of the following structures if first to intercept light incident on the eye
,a. Rods
b. Iris
c. Cornea
d. Cones - ANSWER-c. Cornea
The normal view distance for binocular vision is
a. 1-2 in
b. 4-8 in
c. 12-15 in
d. 16-20 in - ANSWER-c. 12-15 in
In general, during conventional 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 - ANSWER-a. High kVp, low mA
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
