Step I Pharm question: help please

[futdoc251989]

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Can anyone help me solve this problem please? Thanks.

 

[dj-Roomba]

0.3 mg/L x 200 L = 60 mg of drug currently in pt


60 mg x 2 x 2 x 2 = 480 mg of drug injected

 

[futdoc251989]

0.3 mg/L x 200 L = 60 mg of drug currently in pt


60 mg x 2 x 2 x 2 = 480 mg of drug injected

Which equations did you use?

 

[dj-Roomba]

You don't really need an equation to solve this one. Just look look at the units. The answer needs to be in mg and you are given mg/L and L in the stem.

t1/2 is 2hrs and it has been 6hrs since the drug was injected. It has been 3 t1/2