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36 Cards in this Set
- Front
- Back
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What are the goals in radiation |
Maximize information Least exposure |
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What is toentgen |
quanitit of ionization produced by gamma radiation |
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What is the absorbed dose |
amount ionizing radiation received by matter per unit mass |
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3 types of dosimeter |
TLD FIlm |
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1 gray equals how many RADS |
100 RAD |
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what is seivert |
biologial effects based on the type of radiation exposed to |
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Which cells are most sensivite to radiation |
dividing cells |
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what are examples of deviding cells |
Hemopoietic tissue growth cells gonadal cells metabolically active cells |
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Who should not take radiographs |
Personnel under 18 pregnant women |
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What are the types of bodily injuries |
early and late |
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early bodily injuries are what |
whole body exposed--- lose of radiation |
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late bodily injuries are what |
premature aging high susceptibility to disease high incidence of neoplasia squamose cell carcinoma leukemia |
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Somatic radiation damage is what |
damage that manifests itself during the lifetime of the recipient |
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what acn somatic radiation damage cause |
cancer, amemia, cataracts, sterility |
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Genetic radiation damage is what |
damage that occurs in the genes of reproductive cells |
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what are the 4 levels of exposure |
1000 gy greater than 100 gy 9-100 gy 3-9 gy |
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1000 gy radiation exposure is what |
molecular death |
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greater than 100 gy radiation exposure is what |
death within 1-2 days |
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9-100 gy radiation exposure is what |
death in 3-5 days ,,, loss of GI mucosa |
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3-9 gy radiation exposure is what |
maybe you'll die maybe you won't |
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What is MPD |
maximum permissible dose |
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What is the goal for monitoring exposure |
ALARA |
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what is ALARA |
as little as reasonably achievable. |
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Radiation exposure units consist of what two things |
GY (gray) and SV (seivert) |
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What is gray radiation exposure unit |
the absorbed dose received by matter per unit mass |
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What is seivert radiation exposure unit |
the biological effects based on the type of radiation exposed to |
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Dosimtry is what |
the measuring of the amoun tof radiation received by those performing radiography. |
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Dosimeters are what |
personal exposure monitors |
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what are examples of dosimeters |
film bade, TLD, pocket ioinization chamber |
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Which dosimeter is most common |
Film badge |
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what is a TLD |
Thermuluminescent dosimeters |
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Which badge can be reused film badge or TLD badge |
TLD |
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Dosimeters can be worn where |
belt, hand or neck |
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when are dosimeters processed |
weekly, monthly or quarterly |
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what does filtration do in the film |
eliminates soft x-rays |
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restraining personnel must wear what |
lead apron thyroid shields lead gloves |
