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RAD201 midterm

QuestionAnswer
Neutrophils play an essential role in fighting infection
The radiosensitivity of ova varies considerably throughout the lifetime of the germ cell.
Based on current data, which of the following would be considered a safe radiation dose for the gonads of both males and females? 0 Gyt
One micron (μm) = __________. 10–6 m
When LET increases, the chance of a significant biologic response in the radiosensitive DNA macromolecule also increases
Which of the following curves illustrates the radiation sensitivity of a particular type of cell? Cell survival curve
The term apoptosis is synonymous with programmed cell death.
If bone marrow cells have not been destroyed by exposure to ionizing radiation, they can repopulate after a period of recovery.
The normal white blood cell count for an adult ranges from 5000 to 10,000/mm3 of blood
Radium decays with a half-life of 1622 years
Laboratory experiments with mice conclude that cataracts may be caused by doses of ionizing radiation as low as 0.1 Gyt.
Existing data on radiation-induced genetic effects in humans are both contradictory and inconclusive.
To assess the magnitude and severity of late effects on the exposed population from the 1986 nuclear power station accident at Chernobyl long-term follow-up studies are necessary.
Radiation-induced cataracts in humans follow a ______ dose–response relationship. threshold, nonlinear
The human body can incorporate radium into bone because it is chemically similar to calcium
The term linear nonthreshold relationship implies that the biologic response to ionizing radiation is directly proportional to the dose all the way down to levels approaching zero.
Created by: McKenna0410
 

 



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