California Fluoroscopy Supervisor and
Operator Exam UPDATED ACTUAL
Questions and CORRECT Answers
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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER - a. Photopic
As the illumination of the light source increases, visual acuity:
,a. Increases
b. Decreases
c. Remains the same - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER - c. 25 kilovolts
The ouput screen of an image intesifier functions to convert ___ into ____ :
a. Light, electrons
Operator Exam UPDATED ACTUAL
Questions and CORRECT Answers
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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER - a. Photopic
As the illumination of the light source increases, visual acuity:
,a. Increases
b. Decreases
c. Remains the same - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER - c. 25 kilovolts
The ouput screen of an image intesifier functions to convert ___ into ____ :
a. Light, electrons
