How To Calculate Injectables That Are A Percent Solution

Today we are learning how to calculate injectable medication that is a percent solution. Let's start with a word problem. Try to answer it first, then click the button for the math and explanation.

You are asked to give a dog a 300 mcg/kg (micrograms per kilogram) dose of injectable Ivermectin subcutaneously (off-label). Ivermectin comes as a 1% solution. The dog weighs 65 pounds. How much will you administer?

a) 3.4 mL

b) 1.3 mL

c) 2.2 mL

d) 0.8mL