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35 Cards in this Set
- Front
- Back
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Somatic effects |
Occur during individual lifetime |
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Genetic effects |
Future generation |
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Carcinogenic effects |
Cancer may occur in any of body's system |
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Radiation to eyes can cause |
Cataract formation, corneal carcinoma... |
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Exposure to thyroid |
Common cause of cancer to VT's |
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Fetus is sensitive |
To ionization radiation |
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Fetus 0-9 days |
Most critical time |
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Fetus 10 days-6 weeks |
Greatist risk for malformation |
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Fetus 6weeks-term |
Lest sensitive |
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RAD |
Radiation absorbed dose |
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GY |
Gray 1GY= 100RAD |
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REM |
Roentgen equivalen man |
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Sievert (SV) |
1SV = 100 REM |
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MPD |
Maximum permissible dose |
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MPD occupationally not exceed |
5 REm per year |
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Amount of REM entire pregnancy |
0.5 REM |
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ALARA |
As low as reasonably attainable/ achievable |
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Scatter radiation |
Travels in all directions |
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Scatter radiation is |
Absorbed easily, and sticks to DNA and RNA |
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How much aluminum filtration in tube head |
2.5mm |
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Fluoroscopy is |
Real time mostion studies |
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Thickness of lead for protection |
0.5mm |
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If distance of beam doubles |
Radiation exposure decreases by 1/4 |
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Faster exposure time |
Minimizes radiation exposure |
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Callimation |
Reduces size of primary beam to area |
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3 types of monitoring |
Film badge, ion dosimeter chamber, thermoluminescent dosimeter |
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Film badge keeps |
Accumulative record in life time |
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Film badge for pregnant women |
Worn at waist under gown |
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The film badge is worn outside of |
Thyroid sheild |
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The badge is turned in |
Every month |
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IDC |
Is the most complex |
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IDC is used in |
Nuclear medicine |
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TD contains |
Lithium fluoride |
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X-ray machine should be callibrated |
Annually |
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Protection gear should be radiographed |
Gloves-6 months, gowns+thyroid shield 1 a yr |
