Deck 15: Intravenous Calculations

Question 1

Determine the infusion time for the following IV. State answer in military time.
1 000 mL D5W infusing at 90 mL/h
If the IV was started at 1400 hours, the infusion will be completed by _______________ hours and the total infusion time is ___ hours and ___ minutes.

Answer 1

1307; 11; 7

Question 2

Determine the infusion time for the following IV. State answer in military time.
750 mL lactated Ringer solution at 80 mL/h
If the IV was started at 0700 hours, the infusion will be completed by _________ hours and the total infusion time is ___ hours and ___ minutes.

Answer 2

1623; 9; 23

Question 3

Determine the infusion time for the following IV. State answer in military time.
250 mL 0.9% NS at 30 mL/h
If the IV was started at 0700 hours, the infusion will be completed by __________ hours and the infusion total time is _________ hours and __________ minutes.

Answer 3

0320; 8; 20

Question 4

Determine the infusion time for the following IV. State answer in military time.
100 mL D5 1/2/2 NS at 40 mL/h
If the IV was started at noontime, the infusion will be completed by __________ hours and the total infusion time is ____ hours and ____ minutes.

Question 5

Determine the infusion time for the following IV.
150 mL D5W 1/2 NS infusing at 20 macrogtt/min. Drop factor is 15 gtt/mL.
The total infusion time is ______ hours and _____ minutes.

Question 6

Determine the infusion time for the following IV.
60 mL of IV fluid with medication infusing at 50 macrogtt/min. Drop factor is 10 gtt/mL.
The total infusion time is ______ hours and _____ minutes.

Question 7

Determine the infusion time for the following IV.
Total parenteral nutrition (TPN) solution of 1 000 mL at 30 mL/h
The total infusion time is _______ hours and _____ minutes.

Question 8

Determine the infusion time for the following IV.
D5 1/3 NS 1 000 mL at 45 mL/h
The total infusion time is _______ hours and _____ minutes.

Question 9

Determine the infusion time for the following IV. State answer in military time.
500 mL of whole blood to infuse at 130 mL/h
If the infusion was started at 1440, the infusion will be completed by _________ hours and the total infusion time is ____ hours and ___ minutes.

Question 10

Determine the following in drops per minute using the drop factor provided.
0.45% NS at 30 mL/h
Drop factor of 10 gtt/mL = ______ gtt/min; drop factor of 15 gtt/mL = ______ gtt/min; drop factor of 20 gtt/mL = _____ gtt/min; and drop factor of 60 gtt/mL = ______ gtt/min.

Question 11

Determine the following in drops per minute using the drop factor provided.
3 000 mL D5W at 125 mL/h
Drop factor of 10 gtt/mL = _____ gtt/min; drop factor of 15 gtt/mL = _____ gtt/min; drop factor of 20 gtt/mL = ______ gtt/min; and drop factor of 60 gtt/mL = ______ gtt/min.

Question 12

Determine the following in drops per minute using the drop factor provided.
2 500 mL RL in 12 h
Drop factor of 10 gtt/mL = _____ gtt/min; drop factor of 15 gtt/mL = ______ gtt/min; drop factor of 20 gtt/mL = _____ gtt/min; and drop factor of 60 gtt/mL = _____ gtt/min.

Question 13

Determine the following in drops per minute using the drop factor provided.
0.33% NS at 200 mL/h
Drop factor of 10 gtt/mL = ______ gtt/min; drop factor of 15 gtt/mL = ______ gtt/min; drop factor of 20 gtt/mL = ______ gtt/min; and drop factor of 60 gtt/mL = _____ gtt/min.

Question 14

Calculate the following using the drop factor 20 gtt/mL.
250 mL of packed cells in 4 hours
The infusion is regulated at ________ mL/h, which is ________ gtt/min.

Question 15

An IV of 1 000 mL 0.9% NS is infusing at 18 macrogtt/min. The drop factor is 15 gtt/mL.
The total infusion time is ______ hours and ______ minutes.

Question 16

D5 1/2 NS is infusing at 28 macrogtt/min. The drop factor is 10 gtt/mL. Place a space before the hundreds place in your answer, e.g., 5 555.
The patient will receive a total of ______ mL in 8 hours.

Question 17

Determine the flow rate for the following IV being administered by infusion pump.Clindamycin 600 mg in 100 mL D5W over hours: _____ mL/h

Question 18

Recalculate the IV flow rate and determine the percentage of change. Assume that hospital policy permits recalculation of rates when rates are off schedule and patients are stable.
250 mL were to infuse in 8 hours at 31 microgtt/min. The drop factor is 60 gtt/mL. After 4 hours, you notice that 100 mL have infused.
The recalculated rate is _________ gtt/min which represents a _____ % of change.

Question 19

Recalculate the IV flow rate and determine the percentage of change. Assume that hospital policy permits recalculation of rates when rates are off schedule and patients are stable.
2 000 mL of 0.9% NS were to infuse in 12 hours at 28 macrogtt/min. The drop factor is 10 gtt/mL. After 8 hours, 900 mL remain.
The recalculated rate is _________ gtt/min which represents a _____ % of change.

Question 20

Recalculate the IV flow rate and determine the percentage of change. Assume that hospital policy permits recalculation of rates when rates are off schedule and patients are stable.
500 mL of D5 0.45% NS were to infuse in 5 hours at 33 macrogtt/min. The drop factor is 20 gtt/mL. After 2 hours, you notice 250 mL remaining.
The recalculated rate is _______ gtt/min which represents a ________ % of change.

Question 21

Calculate the following. Round answers to nearest tenth.
Order: Cardizem 0.25 mg/kg IV bolus. Infuse over 2 minutes. Patient weighs 50 kg.
Available: Cardizem 25 mg (5 mg/mL)
The patient is to receive __________ mg, which is a dose of _________ mL, and an infusion rate of _________ mL/min.

Question 22

Calculate the following. Round answers to nearest tenth.
Order: Integrilin 180 mcg/kg IV bolus initially. Infuse over 2 minutes. Patient weighs 70 kg.
Available: Integrilin 2 mg/mL
The patient will receive ___________ mg and the infusion rate is _________ mL/min.