Order 500 cc lr to infuse over 4 h what is the flow

15. Order: 500 cc LR to infuse over 4 h. What is the flow rate?
16. Order: 100 ml IV antibiotic to infuse in 30 min via electronic infusion pump. What is
the flow rate?
17. Order: 1,500 mL Lactated Ringer’s IV for 12 hours @ 125 mL/h. Drop fact or: 20
gtt/mL. What is the flow rate (gtt/min)? After 6 hours, there are 850 mL remaining;
describe your action at this time.
18. Order: 500 mL D5NS IV for 5 h @ 100 ml/h. Drop factor: 20 gtt/mL. What is the
flow rate (gtt/min)? After 2 hours, there are 250 mL remaining, describe your action
now.
19. Order: Ancef 1 g in 100 cc D5W IV PB to be infused over 45 min. Drop factor: 60
gtt/mL. What is the flow rate (gtt/min)?
20. Calculate the flow rate for each of the following: Order: Give 1,000 mL of 0.45%
NaCl IV @ 200 mL/h
a. Drop factor 10 gtt/mL
b. Drop factor 15 gtt/mL
c. Drop factor 20 gtt/mL
d. Drop factor 60 gtt/mL
21. Order: Ampicillin 500 mg dissolved in 200 mL D5W IV to run for 2 h. Drop factor:
10 gtt/mL. What is the flow rate (gtt/min)?
22. Order: 1,000 mL D5W IV per 24 h KVO. Drop factor: 60 gtt/ml. What is the drip
rate?
23. Order: 200 mL D5RL IV to run KVO for 24 h. Drop factor is 60 gtt/ml. What is
the flow rate?
24. Order: 2.5 L NS IV to infuse at 125 mL/h. Drop factor is 20 gtt/mL. Calculate the
flow rate.
25. Order: 1,000 mL D5W IV for 6 h. Drop factor is 15 gtt/mL Calculate the flow rate
in gtt/min. After 2 hours, 800 mL remain. Describe your action now.

Provided by Tutoring Services 14 Drug Dosage Practice Problems
Reviewed August 2012
26. Order: Infuse 1 gram of Aminophylline in 1000 mL of D5W at 0.7mg/kg/hr. The
client weighs 110 lb.
a. Calculate the amount of drug in 1 mL ______________________________
b. Calculate the dosage in mg/hr ______________________________
c. Calculate the dosage in mg/min ______________________________
d. Reference states no more than
20 mg/min. Is the order safe? ______________________________
27. Order: Dobutamine 500 mg in 500 mL D5W to infuse at 30 mL/hr. The client
weighs 140 lb. You have available 20 mL vial with 250 mg Dobutamine.
a. Calculate the amount of drug in 1mL ______________________________
b. Calculate the dosage in mcg/hr ______________________________
c. Calculate the dosage in mcg/min ______________________________
28. Order: Infuse 500 mL D5W with 800 mg Theophylline at 0.7 mg/kg/hr. The client
weighs 73.5 kg.
a. Calculate how many milligrams should this
client receive per hour ______________________________
29. A client is to receive Lidocane 2 g in 250 mL D5W. The solution is infusing at 22
mL/hr. Calculate the following:
a. Calculate the amount of drug in 1 mL _____________________________
b. Calculate the dosage in mg/hr _____________________________
c. Calculate the dosage in mg/min _____________________________
30. Ringer’s lactate 1000 mL is ordered to be given within 12 hours for a hyperthermic
patient. Drop factor is 15 gtt/mL.
_______ mL/h
________gtt/min

Provided by Tutoring Services 15 Drug Dosage Practice Problems
Reviewed August 2012