FLUOROSCOPY CERTIFICATION
EVALUATION TEST PAPER QUESTIONS
AND SOLUTIONS VERIFIED COMPLETE
●● fluorescence
Answer: light during stimulation
●● phosphorescence
Answer: light that continues to be emitted after stimulation
●● fluoroscopy
Answer: ________: process of using a fluoroscope for examining
internal movement of structures and fluids.
●● fluorescence, thomas edison
Answer: History
- __________: LEAD TO X-RAY DISCOVERY
- Roentgen - barium platinocyanide
- _____ ________ 1896 discovered the fluoroscope
- FILMS/TUBES WERE INFERIOR SO -FLUOROSCOPY MORE
USEFUL THAN PLAIN FILM
,●● scoptic
Answer: conventional fluro equipment used ______ vision - night vision
most sensitive to green at about 555 nm
●● dark room
Answer: conventional fluoro required the use of the ______ _______
and rods because of the low screen brightness: 5-75 LUX
●● cones
Answer: image intensified fluoro allowed use of _______ and screen
200-2000 LUX.
-high visual acuity, increase contrast resolution
-photopic: daylight vision; perceives color
●● input phosphor
Answer: ______ ______: made of cesium iodide - converts x-rays into
visible light. One x-ray photon produces many light photons (1000-
1500)
●● photocathode
Answer: __________- input phosphor light stimulates a layer of cesium
and antimony compounds to photoemit photoelectrons. The
photocathode layer is bonded to the input phosphor and has a
, 25,000 V negative potential w.r.t the anode. It takes many light photons
to create one photoelectron.
●● electrostatic lenses
Answer: Electron optics using ______ _______ focus photoelectrons on
the output phosphor which produces output light.
●● minification, flux
Answer: Brightness gain = increase in brightness =
_______ GAIN
X
_____ GAIN
Normally 8000 - 25,000
Decreases with age & use
●● minification gain
Answer: ________ ________: Gain due to the light energy being
focused into a smaller area
●● input output
Answer: Minification gain =Diameter of ______ phosphor^2 / Diameter
of _______ phosphor^2
EVALUATION TEST PAPER QUESTIONS
AND SOLUTIONS VERIFIED COMPLETE
●● fluorescence
Answer: light during stimulation
●● phosphorescence
Answer: light that continues to be emitted after stimulation
●● fluoroscopy
Answer: ________: process of using a fluoroscope for examining
internal movement of structures and fluids.
●● fluorescence, thomas edison
Answer: History
- __________: LEAD TO X-RAY DISCOVERY
- Roentgen - barium platinocyanide
- _____ ________ 1896 discovered the fluoroscope
- FILMS/TUBES WERE INFERIOR SO -FLUOROSCOPY MORE
USEFUL THAN PLAIN FILM
,●● scoptic
Answer: conventional fluro equipment used ______ vision - night vision
most sensitive to green at about 555 nm
●● dark room
Answer: conventional fluoro required the use of the ______ _______
and rods because of the low screen brightness: 5-75 LUX
●● cones
Answer: image intensified fluoro allowed use of _______ and screen
200-2000 LUX.
-high visual acuity, increase contrast resolution
-photopic: daylight vision; perceives color
●● input phosphor
Answer: ______ ______: made of cesium iodide - converts x-rays into
visible light. One x-ray photon produces many light photons (1000-
1500)
●● photocathode
Answer: __________- input phosphor light stimulates a layer of cesium
and antimony compounds to photoemit photoelectrons. The
photocathode layer is bonded to the input phosphor and has a
, 25,000 V negative potential w.r.t the anode. It takes many light photons
to create one photoelectron.
●● electrostatic lenses
Answer: Electron optics using ______ _______ focus photoelectrons on
the output phosphor which produces output light.
●● minification, flux
Answer: Brightness gain = increase in brightness =
_______ GAIN
X
_____ GAIN
Normally 8000 - 25,000
Decreases with age & use
●● minification gain
Answer: ________ ________: Gain due to the light energy being
focused into a smaller area
●● input output
Answer: Minification gain =Diameter of ______ phosphor^2 / Diameter
of _______ phosphor^2
