Pharmacology 7th Edition by Henry Hitner,Barbara Nagle

Exercise 10

Assume that you're spending your summer as an intern in a university hospital pharmacy. One of your duties is to prepare desired dosages from available dosages to arrive at the correct weight or number of units of drug for each order the pharmacist fills. Show the calculations for the correct amount of drug for each of the following orders that were filled on your first day of work.a. The first order called for 90 mg of drug. The drug is available in 30-mg tablets. How many tablets are required
b. The second order called for 2000 units of tetanus antitoxin. The tetanus antitoxin is available in an ampule of 1500 units/ml. How many milliliters should be injected
c. The third order called for 70 mg of secobarbital. The stock bottle contains 22 mg of secobarbital in 5 ml of solution. How many milliliters should the patient receive