NUR.151 Math Worksheet
You must know:
1. How many millimeters equal one measuring teaspoon? ______
2. How many milliliters equal one measuring tablespoon? ______
3. How many milliliters equal one ounce? ______
4. How many pounds equal one kilogram? ______
5. How many milligrams in a grain? _____
6. How many micrograms (mcg) equal one milligram (mg)
Convert the following:
7. An adult is to receive 600 mg of Aspirin. The label states: Aspirin 5 gr per tablet.
How much would you give?
8. A child weighs 50 pounds. What is his weight in kilograms ? ______
9. A child weighs 5 kilograms. What is his weight in pounds? ______
7. A child is to receive 2 teaspoons of a antibiotic suspension.
How many milliliters would you administer?
8. A child is to receive 200 mcg. of a medication which is labeled in mg/ml.
Convert the microgram (mcg) dose to milligrams (mg)?
9. Sara Martin is a 3 year-old weighing 26 lbs. What is her weight in kilograms?
10. A 3 month-old infant is to receive I.V. Choromycetin every 6 hours.
The child weighs 4.5 kilograms.
The normal dose is 25mg/kg/day.
Calculate the dosage in milligrams he should receive for his 0900 dose.
11. Your patient is to receive 30 mg of Colace suspension. The label reads “each 5 ml contains 20 mg of Colace. How much of the Colace solution would you give?
12. Six-month-old Jacqueline is to receive 200 mg of Tylenol for a temperature of 102 degrees. She weighs 7.2 kg.
Your pharmacology resource states the children may receive 10-15 mg/kg/dose.
The 200 mg dose you are to give is
a. within the normal range
b. too low
c. too high
15. Calculate the child’s weight in kilograms, determine the safe recommended dosage or range, determine the safety of the order and calculate the drug dosage.
The dose ordered is Keflex 100 mg p.o. q.i.d. for a 7 year-old child weighing 22 lb.
The Kelfex suspension which is labeled: 500mg.10ml.
The recommended daily dosage for children is 25 to 50mg/kg /day in divided doses q 6 hours.
The child’s weight in kilograms is ______
The safe recommended dosage range for this child’s daily dose is ______
The recommended dosage range for each q.i.d dose is ______
Is this order safe for this child? ______
Of the dose is safe, how much would you give of the Keflex suspension at the 0900 dose?
16. The physician orders 1000 ml IV fluid to run for 24 hours. The administration set drop factor is 10 gtt/ml. At what flow rate (gtt/min) must you run this IV?
17. The physician orders 1500 ml IV fluid for 10 hours.
The administration set drop factor is 20 gtt/ml.
At what flow rate (gtt/min) should you set the IV to run?
18. The physician ordered Dilantin 100 mg for Mr. Smith.
You have Dilantin 125 mg / 5 ml.
What volume do you administer?
19. The physician orders 60mg of Thorazine IV. What volume do you administer?
20. Your patient is to receive 26 mg. of Gentamicin q 8 hr.
The label reads 40 mg/ml.
What volume would you give?
21. You check your patient’s IV site, solution and rate at 0800. The IV is running at 15cc/hr. There is 150cc left in the current IV bag. By what time will you need to hang a new IV bag?
22. Children’s Memorial using the Centigrade system.
Convert the following temperatures from Centigrade(C) to Fahrenheit (F) using the following formula:
F = (C X 1.8) + 32
Centigrade Temperature Fahrenheit Temperature
1. 37.0
2. 36.0
3. 38.8
4. 30.2
Convert the following temperatures from Fahrenheit (F) to Centigrade (C) using the following formula:
C = (F – 32) X 0.55
Fahrenheit temperature Centigrade temperature
5. 96.8
6. 98.6
7. 101.8
8. 103.3