sample 3.00 hours before the injection (at 7:00 am) with an activity of 3.53 μCi at the preparation time (7:00 am). What will be the activity of the sample at the time of the injection? A. 1.50 μCi B. 2.00 μCi C. 2.50 μCi D. 3.00 μCi E. 3.50 μCi
sample 3.00 hours before the injection (at 7:00 am) with an activity of 3.53 μCi at the preparation time (7:00 am). What will be the activity of the sample at the time of the injection? A. 1.50 μCi B. 2.00 μCi C. 2.50 μCi D. 3.00 μCi E. 3.50 μCi
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A drug containing 9943Tc ( t1/2 = 6.05 h) is to be injected into a patient at 10:00 am. You are to prepare the sample 3.00 hours before the injection (at 7:00 am) with an activity of 3.53 μCi at the preparation time (7:00 am). What will be the activity of the sample at the time of the injection?
A. 1.50 μCi
B. 2.00 μCi
C. 2.50 μCi
D. 3.00 μCi
E. 3.50 μCi
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