How many vials are required?


Doxorubicin is available as 25 mL vials at a concentration of 2 mg/mL.

The dose required is 200 mg. How many vials are required?

A    2

B    4

C    8

D    10

E    12


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  2. B is the answer, and winners are Area and Eze Hyginus.
    Details below:
    A vial contains 50 mg of doxorubicin (25 mL 2 mg). To obtain 200 mg, four
    vials are required.


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