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