Radiation mediates its effect by
AProtein coagulation
BOsmolysis of cells
CIonization of the molecules
DDenaturation of DNA
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
Which of the following is most radioresistant?
ACartilage
BEwing's sarcoma
CGIT epithelium
DGonadal tumours
+ 7 more in the PDF
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