Author Question: Which type of radiation source would pose the greatest health risk when used internally for a ... (Read 116 times)

CBme · **on:** Feb 15, 2020

Question 1

Which is more dangerous in terms of short-lived exposure to radiation? One mole of
◦ 94Sr, β-, t1/2 = 74 seconds.
◦ 80Sr, β-, t1/2 = 1.77 hours.
◦ 83Sr, β-, t1/2 = 1.35 days.
◦ 90Sr, β-, t1/2 = 28.5 years.

Question 2

Which type of radiation source would pose the greatest health risk when used internally for a medical procedure?
◦ a beta emitter, t1/2 = 5 hours
◦ a gamma emitter, t1/2 = 4 hours
◦ a beta emitter, t1/2 = 15 days
◦ an alpha emitter, t1/2 = 6 hours

robbielu01 · **Reply #1 on:** Feb 15, 2020

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