Pharmacology Math for the Practical Nurse Exam
●Question 1 Change the following fraction to a decimal. Round your answer to the nearest hundredth. 5/6
●Question 2 A 22-pound child was admitted with acute bronchitis. Her medical orders include an I.V. of D5W 20 ml/hr for the next 12 hours. You will use an I.V. with a drop factor of 60 gtts/ml to administer the D5W. Calculate the infusion rate.
●Question 3 The medication you are to give your 143-pound patient is labeled 25 mg/kg/day and is to be divided into 4 daily doses. The syrup contains 250 mg/5 ml. How many ml should you give the patient per dose? (Round to the nearest tenth of a milliliter.)
●Question 4 Solve the following division problem involving a whole number and a fraction. Reduce your answer to the lowest terms. 4 divided by 3/4 =
●Question 5

Pharmacology Math for the Practical Nurse Exam
A physician has ordered 4000 ml of NS at a rate of 200 ml/hr for the next 20 hours. Using a drop factor of 15 gtts/ml, calculate the infusion rate.
●Question 6 If three gallons of a product costs $27.60, how much do two gallons cost?
●Question 7 The order is to give Valium 2 mg I.M. Two milliliters contains 10 mg of medication. How many milliliters should you administer to the patient?
●Question 8 Multiply the following two mixed numbers. Reduce your answer to the lowest terms. 4 1/2 x 6 2/3 =
●Question 9 A physician has ordered 8500 units of heparin SC q 8 hours. Using a vial labeled 20,000 units per ml, calculate the amount of heparin you will give the patient per injection. Note: Heparin injectables are rounded to the nearest hundredth milliliter.

Pharmacology Math for the Practical Nurse Exam