CIH Study Question Answer Key 015

CIH Category: Radiation

After 8 days, the activity of a radionuclide is decreased by 75%. What is the half-life of the radionuclide?

a) 1 day

b) 5 days

c) 4 days

d) 12 hours

The Answer is “c” 4 days

 

Comprehensive CIH Review

Planning to take the CIH Exam next Spring? Sign-up for our Comprehensive CIH Review to make sure you’re ready for test day!

Review classes begin in February 2015.