The pharmacy has sent up lasix for a patient. the bottle is labeled "10 mg per ml." the physician's order calls for a dose of 40 mg twice a day. what is the correct dose to give the patient?

The answer is 4ml

Lasix is made of furosemide, a diuretic drugs that frequently used. To know the volume of drug needed, you need to divide the dose needed by the drug concentration. The dose gien is 40mg per dose while the concentration of the drug is 10mg/ml. The drug administered per doses would be: 40mg / (10mg/ml) = 4ml