M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:

A particular drug has a half-life of 3 hours. 10 g of the drug are administered to a patient, and then after 6 hours, an additional 20 g are administered. Approximately how much total drug will be in the system after a period of 12 hours after the initial administration of the drug? Assume that there are no alternative exit routes of the drug out of the body.

A

5 g

B

10 g

C

15 g

D

2 g