Question

Allied Health - A certain medication is available only in 500 ug tablets. If the patient needs to take 3.0 mg per day, how many tablets must she take?

Answer 1

To know the number of tablets the patient will take, it will be:

`\frac{Amount\text{ she needs to take per day}}{Amount\text{ available per medication}}`

But we must note that the millages(drug dosages) are not in the same units, so we must first convert them to the same unit. (g)

Convert the amount she needs to take per day to grams:

`\begin{gathered} 3.0mg\text{ to g} \\ =3.0*10^(-3)g \\ =0.003g \end{gathered}`

Convert the amount of medication available to grams:

`\begin{gathered} 500\mu\text{g to g} \\ =500*10^(-6) \\ =0.0005g \end{gathered}`

The number of tablets she must take is:

`\begin{gathered} (0.003)/(0.0005) \\ =6 \\ \text{She must take 6 tablets.} \end{gathered}`