Colorado State University-Pueblo
Department of Nursing
NSG 322L
IV Calculation Practice Exam (key)
1. Order: Ancef 1 g in 100 cc D5W IVPB to be infused over 30 minutes.
Drop factor: 60 gtt/ml
Flow rate: _____________gtt/min
200
2. Order: Geopen (carbenicillin disodium) 2 g IVPB diluted in 150ml D5W
to infuse in 30 min.
Drop factor: 10 gtt/ml
Flow rate: ____________ gtt/min
50
3. Order: Zosyn 3 g in 250 ml D5W IVPB to be infused over 1 hour
Drop factor: 10 gtt/ml
Flow rate: ______________gtt/min
41.67-42
4. Order: 50 ml IVPB antibiotic solution to infuse in 30 minutes
Drop factor: 60 gtt/ml
Flow rate: ____________gtt/min
100
5. Keflin 500mg in 150 ml NS IVPB to be infused over 30 minutes
Drop factor: 15 gtt/ml
Flow rate: __________________ gtt.min
75
6. Order: Unasyn 1.5 g in 50ml D5W IVPB to be infused over 15 min
Drop factor: 15 gtt/ml
Flow rate: _______________ gtt/min
50
1
7. Order: Merram 1 g in 100ml D5W IVPB to be infused over 30 min
Use infusion pump.
Flow rate: _____________ml/hr
200
8. Oxacillin Sodium 900mg in 250 ml D5W IVPB to be infused over 2 hours.
Use infusion pump.
Flow rate: _________________ ml/hr
125
9. Order: Merram 1 g in 50 ml D5W IVPB to be infused over 30 min.
Use infusion pump.
Flow rate: _______________ ml/hr
100
10. Order: 500 ml NS IV to be infused over 6 hr.
Use infusion pump.
Flow rate: _______________ml/hr
83.33 or 83
11. Order: Ancef 1 g in 100cc D5W IVPB to be administered by electronic
infusion controller to infuse in 45 min.
Flow rate: _____________ ml/hr
133
12. Order: Oxacillin Sodium 900 mg in 200ml D5W IVPB to be infused over 2 hours
Drop factor: 20 gtt/ml
Flow rate: __________________gtt/min
33.33 or 33
2
13. You are to administer D5LR at 125 ml/hour. The drop factor is 10 gtt/ml. Calculate the
flow rate in gtt/min.
20.83 or 21
14. Infuse 2500 ml D5W in 12 hours. The drop factor is 20 gtt/ml.
a. How many ml's per hour will you administer?
208.33 or 208
b. How many drops per minute will you calculate?
69.44 or 69
15. Order: Gentamycin 100mg/100ml IVPB every 8 hours. The IV handbook states it should
be given over 90 minutes. What rate do you set the IV pump?
Flow rate: ____________ml/hr
66.7 or 67
16. The patient is to receive 1250ml of D10%W over 24 hours. The nurse should administer
________ ml per hour.
52
17. An IV of 75 mg nitroglycerin in 200 mL D5W is infusing at 5 mL/hr. How many mg is the
client receiving in one hour?
1.875 or 1.9 mg/hr
18. Determine the amounts of dextrose in 1000ml of D5% NS
50
19. Order: Zosyn 3 g in 100 ml D5W IVPB to be infused over 40 min
Drop factor: 10 gtt/ml
Flow rate: ______________gtt/min
25
3
20. Order: 500 mg of acyclovir in 100 ml of 5% dextrose over 1 hour.
Drop factor: 20
Flow rate:_______________gtt/min.
33
21. Order: Dilantin 150mg IV push STAT
Supply: Dilantin 250mg/5ml with drug insert, which states, “IV infusion not to exceed 50
mg/min.”
Given: _______________ml.
3
22. Infuse 1200 ml D5W in 8 hours. The drop factor is 20 gtt/ml.
a. How many ml's per hour will you administer?
150
b. How many drops per minute will you calculate?
50
23. Order: Give 1 L of D5W to infuse at 100 mL/hr.
You have microdrip tubing available
How many drops per min will you administer? ____________________
100
24. The patient is receiving lidocaine at 15 mL/hr by infusion pump. The lidocaine
concentration is 1 g in 250 ml of 0.9% NS. Calculate the milligrams per minute.
_________________________
1 mg/min.
25. Order: Lasix 40 mg IV push STAT
Supply: Lasix 10mg/ml with drug insert, which states, “IV infusion not to exceed 40
mg/min.”
Give: _________________ ml
Given over: ____________________minutes.
4
1
4
26. The dosage strength available is 125,000 U/ 1.5 ml in a 10 cc bottle. Your order
reads 175,000 U. How many mL’s will you give?
2.1mL
27. Order is for Motrin (Ibuprofen) 3.2 g over 24 hour period in four equally divided
doses. How many mg will you administer for each dose?
800 milligrams
28. Order: Heparin 1250 U SC q 6hours. Available is Heparin 5000 U/1mL. What
amount will you give?
0.25mL
29. Order: Ancef 600 mg IM q 6h for a 90.2 pound teenager. Recommended dosage
from the package insert is 25-50 mg/kg/day in four equal doses.
a. What is the safe individual dose range for this child?
256.25 – 512.5 per dose
b. Is this order safe?
No, too high
30. You are instructed to administer Aricept, 10mg. Your vial label reads Aricept 5mg
tablets. You should administer ________ tabs.
2 tabs
5