STUDENTS SUCCESS
Revision Examination Tests
“Come all for this Greatness”
... 100% Correct Ans ...
LRA 215 FINAL
TEST 2024-2025 ACTUAL EXAM COMPLETE 200-
QUESTIONS AND CORRECT DETAILED ANSWERS
Linear Energy Transfer (LET)
Ans: measure of the rate at which energy is transferred from ionizing radiation to
soft tissue. expressed in kiloelectron volts per micrometer of soft tissue
Quiz Oxygen Enhancement Ratio (OER)
Ans: ratio of the dose necessary to produce a given effect under anoxic conditions
to the dose necessary to produce the same effect under aerobic conditions
Quiz threshold dose
Ans: dose below which a person has a negligible chance of sustaining specific
biologic damage, or dose at which response to increasing x-ray intensity first occurs
Quiz interphase death
Ans: occurs when the cell dies before replicating
Quiz radiation weighting factor
Ans: factor used for radiation protection that accounts for differences in biologic
effectiveness between different radiations. formerly called quality factor
Quiz tribondeau
Ans: one of two french scientists, who in 1906, had a theory that became a law,
stating that metabolic and maturation state of tissues vary for being affected with
radiosensitivity
Quiz What is the formula for relative biological effectiveness
Revision Examination Tests
“Come all for this Greatness”
... 100% Correct Ans ...
LRA 215 FINAL
TEST 2024-2025 ACTUAL EXAM COMPLETE 200-
QUESTIONS AND CORRECT DETAILED ANSWERS
Linear Energy Transfer (LET)
Ans: measure of the rate at which energy is transferred from ionizing radiation to
soft tissue. expressed in kiloelectron volts per micrometer of soft tissue
Quiz Oxygen Enhancement Ratio (OER)
Ans: ratio of the dose necessary to produce a given effect under anoxic conditions
to the dose necessary to produce the same effect under aerobic conditions
Quiz threshold dose
Ans: dose below which a person has a negligible chance of sustaining specific
biologic damage, or dose at which response to increasing x-ray intensity first occurs
Quiz interphase death
Ans: occurs when the cell dies before replicating
Quiz radiation weighting factor
Ans: factor used for radiation protection that accounts for differences in biologic
effectiveness between different radiations. formerly called quality factor
Quiz tribondeau
Ans: one of two french scientists, who in 1906, had a theory that became a law,
stating that metabolic and maturation state of tissues vary for being affected with
radiosensitivity
Quiz What is the formula for relative biological effectiveness
