How do I use the information give to find the equation?

Mathematics
Tutor: None Selected Time limit: 1 Day

After two hours, the poison concentration in the blood is 13.5 mg per cubic cm, and after 5 hours, it is 9.46 mg per cubic cm. Assume the equation y=AxE^KX will represent the concentration vs. time expression.

a) Find the equation that would approximate the amount of poison in the victims bloodstream at any give time.

b) How many hours have passed since the antidote was administered if the amount of poison in the bloodstream has dropped to 5.08 mg per cubic cm?

Jun 1st, 2015

One way to calculate the apparent volume of drug distribution in the body is to measure the plasma concentration immediately after intravenous administration before elimination has had a significant effect. The concentration just after intravenous administration (at time zero,


volume of

distribution

amount of drug

administe

=

r

red (dose)

initial drug

concentration


Jun 1st, 2015

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