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Fluoroscopy Exam Review exam(403 questions and answers).
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Fluoroscopy Exam Review exam(403 questions and answers).
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Fluoroscopy ExamReview exam(403
questions and
answers)
Who invented fluoroscopy? - answer Thomas Edison
In what year was fluoroscopy invented? - answer 1896
Fluoroscopy is used for the examination of ________ internal structures
and fluids. - answer Moving
Fluoroscopic x-ray tubes can be located either ________ or ________
the examination table. - answer 1) Over
2) Under
,During fluoroscopy, the x-ray tube is operated at less than ________
mA, as opposed to general radiography where the tube current can be
hundreds of mA. - answer 5
Despite lower mA in fluoroscopy, the patient dose is ________ because
the x-ray beam exposes the patient to x-rays ________ for a longer
time. - answer 1) Higher
2) Constantly
What is automatic brightness control (ABC)? - answer When the image
brightness is adjusted, and the brightness is automatically maintained
by varying the kVp, mA, or both.
The main advantage of image-intensified fluoroscopy over earlier types
of fluoroscopy is increased image ________. - answer Brightness
It is much ________ to interpret a dim fluoroscopic image than a bright
one. - answer Harder
What are the two structures in the eye responsible for the sensation of
vision? - answer Rods and Cones.
When light arrives at the retina, it's ________ by the rods and cones. -
answer Detected
,The cones are concentrated at the ________ of the retina in an area
called the ________. - answer 1) Center
2) Fovea Centralis
The rods are the most numerous on the ________ of the retina, and no
rods are found at the ________. - answer 1) Periphery
2) Fovea Centralis
The rods are sensitive to ________ light levels, and are stimulated
during ________ light situations. - answer 1) Low
2) Dim
Cones are ________ sensitive to light, but are capable of responding to
________ light levels, while rods cannot. - answer 1) Less
2) Intense
Cones are used primarily for daylight vision, known as ________ vision.
- answer Photopic
Rods are used primarily for night vision, known as ________ vision. -
answer Scotopic
Cones perceive ________ objects much better than rods do. - answer
Small
, The ability of cones to perceive small objects is known as visual
________. - answer Acuity
Cones are better at detecting differences in ________ levels. This
property of vision is called ________. - answer 1) Brightness
2) Contrast Perception
Cones are sensitive to a ________ range of wavelengths of light. -
answer Wide
Cones perceive ________, but rods are essentially color ________. -
answer 1) Color
2) Blind
During fluoroscopy, ________ image detail is desired. This requires
higher levels of image ________. - answer 1) Maximum
2) Brightness
The image intensifier raises illumination into the ________ vision
region, where visual acuity is ________. - answer 1) Cone
2) Greatest
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