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Radiology Fundamentals in Radiology 9cf47a64

Regarding CT scan all are true except -

A
50% reduction in kVp reduces 50% radiation dose
B
Decrease in mA (milli amperes) decreases radiation dose exposure significantly in pediatric chest
C
Quality of the radiation generated depends upon voltage
D
Radiation dose exposure is directly related to the time of exposure
High-Yield Explanation
Quantity of exposure (radiation dose) is directly propoional to (kVp)2 so reducing kVp by 50% will reduce the radiation dose to 25 % (i.e 75% reduction in radiation dose)

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