Fluoroscopy Exam sample Questions with 100%
Correct Answers
The fluoroscope was developed in the year .......by Thomas Edison
1896
The fluoroscope consists of two parts the.....and the .....
X Ray tube
Fluoroscopic screen
Label diagram fluorescent screen
The unit used to measure screen illumination is the....
milliambert
The brightness of the fluoroscopic screen is only....to.....milliambert
0.01-0.001
The eye becomes more sensitive as the amount of light .....
Decreases
The eye reaches a threshold and Adapts to complete darkness at.....minutes
60
Even though the eye has not fully adapted to darkness fluoroscopy is possible after
.....minutes
20-30
, A photo sensitive material called...... is found in the rods of the retina and is allowed to
regenerate in the process of dark
Rhodopsin
Rhodopsin is also called.....
Visual purple
Exposure of rhodopsin to light causes it to bleach to visual.......which decreases visual
sensitivity
Yellow
The longer the visual purple is allowed to ......... the more ....... the rods will be to low light
levels until it reaches the threshold of .....minutes
Regenerate
Sensitive
60
Rods are essentially blind to......light
Red
Light sensitive molecules found in the rods and cones
Photopigments
Photo pigments are found in the .... and....of the eye
Rods
Cones
Correct Answers
The fluoroscope was developed in the year .......by Thomas Edison
1896
The fluoroscope consists of two parts the.....and the .....
X Ray tube
Fluoroscopic screen
Label diagram fluorescent screen
The unit used to measure screen illumination is the....
milliambert
The brightness of the fluoroscopic screen is only....to.....milliambert
0.01-0.001
The eye becomes more sensitive as the amount of light .....
Decreases
The eye reaches a threshold and Adapts to complete darkness at.....minutes
60
Even though the eye has not fully adapted to darkness fluoroscopy is possible after
.....minutes
20-30
, A photo sensitive material called...... is found in the rods of the retina and is allowed to
regenerate in the process of dark
Rhodopsin
Rhodopsin is also called.....
Visual purple
Exposure of rhodopsin to light causes it to bleach to visual.......which decreases visual
sensitivity
Yellow
The longer the visual purple is allowed to ......... the more ....... the rods will be to low light
levels until it reaches the threshold of .....minutes
Regenerate
Sensitive
60
Rods are essentially blind to......light
Red
Light sensitive molecules found in the rods and cones
Photopigments
Photo pigments are found in the .... and....of the eye
Rods
Cones