Lra 216 Final Test Questions With All aa aa aa aa aa aa
Answers aa
which dose response curve is utilized for radiation protection guidelines when estimating the overall
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cancer risk from diagnostic and occupational exposures? - ANSWER-✔✔linear, non-threshold
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radiation induced lung cancer follows which dose response relationship? - ANSWER-✔✔linear, non-
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threshold
The cumulative whole-body effective dose limit is calculated by multiplying ones age in year times _____
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mSv - ANSWER-✔✔0.1
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4 response stages with acute radiation syndrome - ANSWER-✔✔1. prodromal stage
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2. latent stage
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3. manifest stage
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4. recovery or death
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which of the following is the unit of dose equivalent or occupational exposure? - ANSWER-✔✔Sievert
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(Sv)
aa
, Leakage radiation from the x-ray tube housing shall not exceed ___ mR/hr at distance of 1 meter from
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the tube - ANSWER-✔✔100
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Osteosarcoma follows which dose response relationship - ANSWER-✔✔linear, quadratic
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which of the following is the SI unit for Roentgen (R)? - ANSWER-✔✔Coulomb/Kilogram
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In the ___ stage, the person becomes noticeably ill and shows signs and symptoms of the specific
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syndrome reflecting the organ system which is damaged - ANSWER-✔✔manifest
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the exposure switch cord on a mobile unit must be long enough to allow the radiographer to stand back
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at least ___ feet during the exposure - ANSWER-✔✔6 feet
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which of the following exposure techniques will provide the least amount of radiation exposure to the
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patient? - ANSWER-✔✔high kVp, low mAs, and high filtration
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to within what percent of the SID must the collimator light and actual irradiated area be accurate? -
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ANSWER-✔✔2% of SID
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which of the following is the most versatile type of x-ray beam limitation device? - ANSWER-✔✔
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collimator
which of the following is credited with the discovery of x-rays in 1895? - ANSWER-✔✔Wilhelm Conrad
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Roentgen on November 9, 1895
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which of the following describes radiation damage that increases the probability of causing a late effect
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but will not increase the severity of the effect? - ANSWER-✔✔stochastic
aa aa aa aa aa aa aa aa aa aa aa
Answers aa
which dose response curve is utilized for radiation protection guidelines when estimating the overall
aa aa aa aa aa aa aa aa aa aa aa aa aa
cancer risk from diagnostic and occupational exposures? - ANSWER-✔✔linear, non-threshold
aa aa aa aa aa aa aa aa aa aa
radiation induced lung cancer follows which dose response relationship? - ANSWER-✔✔linear, non-
aa aa aa aa aa aa aa aa aa aa aa
threshold
The cumulative whole-body effective dose limit is calculated by multiplying ones age in year times _____
aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
mSv - ANSWER-✔✔0.1
aa aa aa
4 response stages with acute radiation syndrome - ANSWER-✔✔1. prodromal stage
aa aa aa aa aa aa aa aa aa aa
2. latent stage
aa aa
3. manifest stage
aa aa aa
4. recovery or death
aa aa aa
which of the following is the unit of dose equivalent or occupational exposure? - ANSWER-✔✔Sievert
aa aa aa aa aa aa aa aa aa aa aa aa aa aa
(Sv)
aa
, Leakage radiation from the x-ray tube housing shall not exceed ___ mR/hr at distance of 1 meter from
aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
the tube - ANSWER-✔✔100
aa aa aa aa
Osteosarcoma follows which dose response relationship - ANSWER-✔✔linear, quadratic
aa aa aa aa aa aa aa aa
which of the following is the SI unit for Roentgen (R)? - ANSWER-✔✔Coulomb/Kilogram
aa aa aa aa aa aa aa aa aa aa aa aa
In the ___ stage, the person becomes noticeably ill and shows signs and symptoms of the specific
aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
syndrome reflecting the organ system which is damaged - ANSWER-✔✔manifest
aa aa aa aa aa aa aa aa aa aa
the exposure switch cord on a mobile unit must be long enough to allow the radiographer to stand back
aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
at least ___ feet during the exposure - ANSWER-✔✔6 feet
aa aa aa aa aa aa aa aa aa aa
which of the following exposure techniques will provide the least amount of radiation exposure to the
aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
patient? - ANSWER-✔✔high kVp, low mAs, and high filtration
aa aa aa aa aa aa aa aa aa
to within what percent of the SID must the collimator light and actual irradiated area be accurate? -
aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
ANSWER-✔✔2% of SID
aa aa aa
which of the following is the most versatile type of x-ray beam limitation device? - ANSWER-✔✔
aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
collimator
which of the following is credited with the discovery of x-rays in 1895? - ANSWER-✔✔Wilhelm Conrad
aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
Roentgen on November 9, 1895
aa aa aa aa aa
which of the following describes radiation damage that increases the probability of causing a late effect
aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
but will not increase the severity of the effect? - ANSWER-✔✔stochastic
aa aa aa aa aa aa aa aa aa aa aa
