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RAD201StackExam2

QuestionAnswer
Which of the following humans is most radiosensitive? An embryo-fetus during the first trimester of pregnancy
Which group of cells is most radiosensitive? Lymphocytes
If bone marrow cells have not been destroyed by exposure to ionizing radiation, they can repopulate after a period of recovery.
Which of the following groups of cells is least radiosensitive? Adult nerve cells
The term apoptosis is synonymous with programmed cell death.
Radiation-induced genetic abnormalities are caused by unrepaired damage to DNA molecules in the sperm or ova of an adult.
Laboratory experiments with mice conclude that cataracts may be caused by doses of ionizing radiation as low as 0.1 Gyt.
When a prediction is made that the number of excess cancers will increase as the natural incidence of cancer increases with advancing age in the population, the risk is considered to be relative.
What do agents such as specific chemicals, viruses, and ionizing radiation have in common? They are all mutagens that can increase the frequency of mutations.
Mutations in genes and DNA that occur at random as natural phenomena are called spontaneous mutations.
Which of the following agencies was previously known as the Atomic Energy Commission? NRC
The primary function of the Nuclear Regulatory Commission (NRC) is to oversee the nuclear energy industry.
Which of the following terms involves a random effect of ionizing radiation? Stochastic event
The effective dose (EfD) occupational limit for the lens of the eye is 15 mSv
Determine the cumulative effective dose (CumEfD) limit to the whole body of an occupationally exposed person who is 40 years old. 400 mSv
Created by: JacobNiccoli
 

 



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