Question

the hcp ordered 0.2 mg of methylergonovine, and the vial contains 0.8 mg/ml. how many ml of methylergonovine should the nurse draw up in the syringe? (enter numerical value only. if rounding is necessary, round to the hundredth.) [[ml]]

Answer 1

The volume (in mL) of methylergonovine the nurse should draw up in the syringeis is 0.25 mL

What is density?

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

With the concept of density, we can obtain the volume of methylergonovine. Details below

How to determine the volume

The following data were obtained from the question:

• Mass of methylergonovine = 0.2 mg
• Density of methylergonovine = 0.8 mg/mL
• Volume of methylergonovine =?

Density = mass / volume

Cross multiply

Density × volume = mass

Divide both sides by density

Volume = mass / density

Volume = 0.2 / 0.8

Volume of methylergonovine = 0.25 mL

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