QUESTIONS AND CORRECT ANSWERS
Enhance the subject contrast of the area of interest - CORRECT ANSWERS✅✅Why is contrast
media used in radiographic imaging?
Low subject contrast - CORRECT ANSWERS✅✅Radiographic images that demonstrate few
density differences define?
Increase density and is radiolucent - CORRECT ANSWERS✅✅A negative contrast agent will?
True - CORRECT ANSWERS✅✅High atomic number elements absorb x-rays at a greater rate
than low atomic number elements.
False - CORRECT ANSWERS✅✅Radiolucent contrast media are also called positive contrast
agents?
Positive contrast agents, appear light on radiographs, are composed of elements with high
atomic number - CORRECT ANSWERS✅✅Radiopaqe contrast media:
Barium Sulfate - CORRECT ANSWERS✅✅Each of the following is an example of a negative
contrast media EXCEPT:
Air, Soda water, Barium sulfate, Gas-producing crystals
Extravasation - CORRECT ANSWERS✅✅Perforation of the colon during a lower GI barium
study may result in complications resulting from?
, False - CORRECT ANSWERS✅✅Barium sulfate is soluble in water?
Coats the gastrointestinal lining - CORRECT ANSWERS✅✅Barium Sulfate does what?
True - CORRECT ANSWERS✅✅Barium sulfate can dry within the colon and cause an
obstruction?
Fatty acids - CORRECT ANSWERS✅✅Oil-based iodine contrast media are made from?
The total number of particles in solution - CORRECT ANSWERS✅✅Osmolality is a measure
of?
True - CORRECT ANSWERS✅✅High osmolality of the contrast media is related to adverse
reactions?
Low osmolality - CORRECT ANSWERS✅✅Non-ionic contrast media is associated with?
True - CORRECT ANSWERS✅✅Heating the contrast to body temperature reduces the
viscosity and increases the ability for rapid injection
5 minutes - CORRECT ANSWERS✅✅Most reactions occur within?
True - CORRECT ANSWERS✅✅Patient who receive barium sulfate need to make sure and
increase water intake post examination.
True - CORRECT ANSWERS✅✅BUN and creatinine are lab tests done to measure the
functional portion of the kidneys?