Radiation mediates its effect by
AProtein coagulation
BOsmolysis of cells
CIonization of the molecules
DDenaturation of DNA
One gray equals
A1000 RAD
B100 RAD
C10 RAD
D10000 RAD
A pregnant woman with head trauma requires a CT scan of the head. What is the most effective radiation protection measure for the fetus?
AUsing MRI instead
BLead apron over abdomen
CAvoid CT, rely on clinical assessment
DReduced mA and kVp
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