RADT 142 Quiz 1 Questions with Correct Answers
Radiation injuries - Answer-- erythema- skin red
- alopecia- hair falling out
- anemia- low blood cells
- cataract- loss of vision
Matter & energy - Answer-Matter- anything that takes up space and has mass
four physical states: solid, liquid, g...
Radiation injuries - Answer-- erythema- skin red
- alopecia- hair falling out
- anemia- low blood cells
- cataract- loss of vision
Matter & energy - Answer-Matter- anything that takes up space and has mass
four physical states: solid, liquid, gas, plasm
energy- ability to do work
history of x-ray - Answer-- discovered: november 8th, 1895
- Wilhelm Roentgen
- used a Crookes tube accidentally found a sihloette between plate with barium
platinocyanide and it began to glow
-called it x for unknown
first radiograph - Answer-Anna Bertha Roentgen's hand that was exposed for 30
minutes.
- saw her ring
types of diagnostic exams - Answer-- chest (most common)- heart lungs, blood vessels
- Abdomen
- extremeties- hands, feet, elbows
- spine
- skull/facial
- gastrointestenal
- interventional- vein, arteries, heart, need contrast material to show
Properties of X-rays - Answer--poly energetic: composed of particles with ranges of
energy
- high penetrating: ability to go thru many substance
- invisible- eyes cant see
- ionize atoms- able to move electrons
- causes chemical & and biological changes- can cause glow/ image, cause mutations
-travels in a straight line
-produce scatter & secondary radiation- reminants of radiation after radiation reacted
with body
- cant be focused by lens
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