Which of the following contrast agents is PREFERRED in a patient with renal dysfunction for the prevention of contrast-induced nephropathy?
AIso-osmolar contrast
BHigh osmolar contrast
CIonic contrast
DLow osmolar contrast
All should be features of a substance to measure GFR, except?
AFreely reabsorbed
BNot secreted by kidney
CFreely filtered across the glomerulus membrane
DNone of the options
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
+ 7 more in the PDF
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