Final answer:
To provide a dose of 360 mg of Gentamycin from a concentration of 80mg/2mL, one needs to draw up 9 mL of the solution.
Step-by-step explanation:
The student is asking how many milliliters of Gentamycin, which is available at a concentration of 80mg/2mL, will be needed to fulfill a prescription of 360 mg. To determine the answer, we compute the volume of Gentamycin required through a proportion based on the known concentration of the medication.
To administer 360 mg of Gentamycin, we set up the proportion as follows:
80 mg is to 2 mL as 360 mg is to x mL
Calculating the proportion, we have 80 mg/2 mL = 360 mg/x mL, which simplifies to x = (360 mg / 80 mg) × 2 mL.
Performing the calculation, x = (4.5) × 2 mL = 9 mL. Therefore, 9 mL of Gentamycin should be drawn up to provide a dose of 360 mg.