LRA 215: PRINCIPLES AND APPLICATIONS OF LAND
EVALUATION
Increases, Increases - answers✔✔As LET ___, The RBE ____
more, less - answers✔✔Tissue is _____ radio sensitive under high oxygen conditions and
_________ radio sensitive under hypoxic conditions.
immature, high - answers✔✔Tissues that are _____ with a _____ metabolic rate are more
radiosensitive.
nonthreshold - answers✔✔If a response to radiation is expected, no matter the dose, then that
dose-response is ______________
Linear - answers✔✔A ___ response to radiation is directly proportional to the dose received.
Bergonie and Tribondeau - answers✔✔The law of ___________ states that the radio sensitivity
of living tissue is a function of the metabolism and maturation of that tissue.
Fetal stages. - answers✔✔Humans are most radiosensitive during _____.
linear, nonthreshold - answers✔✔Radiation induced genetic damage follows a __________-
dose-response relationship
, 1 - answers✔✔The RBE of diagnostics x-rays in equal to __________.
3 - answers✔✔The LET of diagnostic x-rays is _________ keV/um
LET - answers✔✔_____________ is a measure of the rate that energy is transferred from
ionizing radiation to soft tissue.
Nonlinear- threshold - answers✔✔Which dose-response relationship can follow a sigmoid
curve?
Fetus - answers✔✔Which of the following is considered most radiosensitive?
Increases radio sensitivity - answers✔✔How does oxygen retention affect radio sensitivity
linear, non-threshold dose-response curve. - answers✔✔Which of the following is a graphical
representation of the relationship between radiation dose and observed response, in which any
dose may have a potential effect, and there is a direct relationship between dose and effect?
Oxygen Enhancement Ratio (OER) - answers✔✔_______- refers to the enhancement of
therapeutic or detrimental effect of ionizing radiation due to the presence of oxygen
Linear Energy Transfer (LET) - answers✔✔_________ is a measure of the energy transferred to
material as an ionizing particle travels through it. This measure is used to qualify age effects of
ionizing radiation on biological specimens.
lymphocytes, spermatogonia, enthroblasts, and intestinal crypt cells. - answers✔✔Cells which
are considered highly radiosensitive include
EVALUATION
Increases, Increases - answers✔✔As LET ___, The RBE ____
more, less - answers✔✔Tissue is _____ radio sensitive under high oxygen conditions and
_________ radio sensitive under hypoxic conditions.
immature, high - answers✔✔Tissues that are _____ with a _____ metabolic rate are more
radiosensitive.
nonthreshold - answers✔✔If a response to radiation is expected, no matter the dose, then that
dose-response is ______________
Linear - answers✔✔A ___ response to radiation is directly proportional to the dose received.
Bergonie and Tribondeau - answers✔✔The law of ___________ states that the radio sensitivity
of living tissue is a function of the metabolism and maturation of that tissue.
Fetal stages. - answers✔✔Humans are most radiosensitive during _____.
linear, nonthreshold - answers✔✔Radiation induced genetic damage follows a __________-
dose-response relationship
, 1 - answers✔✔The RBE of diagnostics x-rays in equal to __________.
3 - answers✔✔The LET of diagnostic x-rays is _________ keV/um
LET - answers✔✔_____________ is a measure of the rate that energy is transferred from
ionizing radiation to soft tissue.
Nonlinear- threshold - answers✔✔Which dose-response relationship can follow a sigmoid
curve?
Fetus - answers✔✔Which of the following is considered most radiosensitive?
Increases radio sensitivity - answers✔✔How does oxygen retention affect radio sensitivity
linear, non-threshold dose-response curve. - answers✔✔Which of the following is a graphical
representation of the relationship between radiation dose and observed response, in which any
dose may have a potential effect, and there is a direct relationship between dose and effect?
Oxygen Enhancement Ratio (OER) - answers✔✔_______- refers to the enhancement of
therapeutic or detrimental effect of ionizing radiation due to the presence of oxygen
Linear Energy Transfer (LET) - answers✔✔_________ is a measure of the energy transferred to
material as an ionizing particle travels through it. This measure is used to qualify age effects of
ionizing radiation on biological specimens.
lymphocytes, spermatogonia, enthroblasts, and intestinal crypt cells. - answers✔✔Cells which
are considered highly radiosensitive include
