1
Q
Elution of 250MBq TC-99m at 9:30am, injection occurs at 12:30pm. What is the injected dose?
A
2
Q
what is the half life of Tc 99m
A
6hr
3
Q
Pharmacy needs 4 hours for transport of TC-99m. The hospital needs 300MBq. How much TC-99m has to be eluted?
A
476-477
4
Q
A radiopharmaceutical has a physical half-life of 6 hours and a biological half-life of 20 hours. What is the effective half-life of this radiopharmaceutical?
A
5
Q
10 MBq of I-131 is stored in a laboratory. How much radioactivity will be there after 32 days?
A
half life = 8d
6
Q
What is the maximum number of electrons in the L-shell?
A
2 x n^2
2x 2^2= 8
7
Q
A
