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Consider a vial of Tc-99m DISIDA that is used for hepatobiliary studies. The pharmacist makes up...

Consider a vial of Tc-99m DISIDA that is used for hepatobiliary studies. The pharmacist makes up the vial at 8AM with a concentration of 50 mCi per ml.

a. Compute the concentration in the vial at 4:30PM.

b. How much volume must be drawn at 4:30 for a 5 mCi injection?

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