"480 ml solution: 15 ml by mouth every 6 hours as needed"

First, we figure out the maximum amount of volume that the patient can use in one day, and then, second, we would then divide that volume into 480 milliliters, which is the total amount of the prescription.

Patient is prescribed 10g of Glucose. The glucose is presented as a 5% solution in 500ml Saline. How much of the 5% dextrose saline solution do you need