CIH Study Question Answer Key 014

CIH Category: Radiation

WIf a radionuclide has a biological half-life of 4 hours and a physical half-life of 5 hours, what is the effective half-life?

a) 1 hour

b) 9 hours

c) 3.5 hours

d) 2.2 hours

The Answer is “d” 2.2 hours


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