Calculations Test Study Guide Graded A+

Mylanta and Donnatal are to be combined in a 2:1 ratio. How much of each is required to make 90 ml of the suspension? {Ans: 2:1 means 2 parts Mylanta 1 part Donnatal 3partstotal/90mltotal =2parts/x 180ml/3x x=60ml 90-60=30ml Donnatal 60ml/30ml is the correct answer}The abbreviation "PCN" means what? {Ans: Penicillin.}The dose of Cefaclor for children 6 months or older is 50 mg/kg/day. What would be the daily dose range for a child who weighs 10 lbs.? {Ans: 2.2lbs/1kg=10lbs/x 10kg/2.2x x=4.55kg 4.55kg x 50mg/kg/day = 227mg/day}The risk of a decimal point error is reduced by writing "five milligrams" as: {Ans: 5 mg.}An order calls for Hytone 1% cream, Lotrimin 1% cream, aa q.s. How many grams of Lotrimin cream would be needed to make a total of 60 g of cream? {Ans: aa means of each so 30gm each}Dextrose 25% 1000 ml was ordered, you have only Dextrose 70% solution available. How much of the Dextrose 70% solution and Sterile Water will you use to fill this order? {Ans: 70% 25parts 25% 0% 45parts 70parts 1000ml/70parts=x/25parts 25000ml/70x x=357ml 1000ml total volume -357ml 70% Dextrose 643 ml of H20 needed 357 ml 70% Dextrose and 643