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RAD 201 exam 2

QuestionAnswer
If bone marrow cells have not been destroyed by exposure to ionizing radiation, they can: repopulate after a period of recovery
which is a category of white blood cell that is essential in fighting infections? Granulocytes
Which human is most radiosensitive? An embryo-fetus during the first trimester of pregnancy
The radiosensitivity of ova: varies considerably throughout the lifetime of the germ cell
OH* + OH*= H2o2
Which group of cells is least radiosensitive? Adult nerve cells
Neutrophils play an essential role in: fighting infection
Atrophy refers to: shrinkage of organs and tissues after a high radiation dose is received.
moist and dry desquamation can be caused by: high radiation doses
Grenz rays were once used to treat and successfully cure: skin diseases such as ringworm
Chromosomal damage can be caused by: both low and high radiation doses
in female oogonia, the ovarian stem cells: multiply to millions of cells only during fetal development
Laboratory experiments with mice conclude that cataracts may be caused by doses of ionizing radiation as low as: 0.1 Gyt
Radiation-induced genetic abnormalities are caused by unrepaired damage to: DNA molecules in the sperm or ova of an adult
Mutations in genes and DNA that occur at random as natural phenomena are called: Spontaneous mutations
Created by: evanlbates
 

 



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