Question

for the below exercises, for each order: identify the dose on hand, dosage unit, desired dose, or if necessary identify the conversion factor and convert to like units of measurement.
ordered: tolbutamide 250 mg po tid
on hand: tolbutamide 0.5 g tablets
(source: math and dosage calculations for healthcare professionals (booth, 5, isbn 1259166260) > chapter 12: methods of dosage calculations > chapter 12 homework questions)
1 g/1,000 mg
0.25 g
250 mg
1 tablet
0.5 g
desired dose
conversion factor
dosage unit
dose on hand
save for later

Explanation:

Step1: Identify Dose on hand

The dose on hand is the amount of medication available. Here, it is \(0.5\ g\) per tablet.

Step2: Identify Dosage unit

The dosage unit is the form in which the medication is given. Here, it is tablets.

Step3: Identify Desired dose

The desired dose is the amount of medication ordered. Here, it is \(250\ mg\).

Step4: Identify Conversion factor

Since \(1\ g = 1000\ mg\), the conversion factor is \(1\ g/1000\ mg\).

Answer:

Dose on hand: \(0.5\ g\)
Dosage unit: tablets
Desired dose: \(250\ mg\)
Conversion factor: \(1\ g/1000\ mg\)