Deck 22: Intravenous Calculations

Question 1

Directions: Determine the infusion time for the following IV. State time in both traditional and military time. Round minutes to the nearest whole number of minutes.

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250 mL 0.9% NS at 30 mL/hr
a. Determine the infusion time: _____
b. The IV was started at 7:00 PM. When will the infusion be complete? _____

Answer 1

a. 250 mL ÷ 30 mL/hr = 8.33 hr
60 min * 0.33 hr = 19.8 = 20 min
Infusion time: 8 hr 20 min
b. 3:20 AM; 0320

Question 2

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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Order: regular Humulin insulin 10 units/hr IV
Available: 40 units of insulin in 100 mL 0.9% NS
What rate in mL/hr will infuse 10 units/hr? _____

Answer 2

25

Question 3

Directions: Determine the infusion time for the following IV. State time in both traditional and military time. Round minutes to the nearest whole number of minutes.

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750 mL lactated Ringer solution at 80 mL/hr
a. Determine the infusion time: _____
b. The IV was started at 7:00 AM. When will the infusion be complete? _____

Answer 3

a. 750 mL ÷ 80 mL/hr = 9.38 hr
60 min * 0.38 hr = 22.8 = 23 min
Infusion time: 9 hr 23 min
b. 4:23 PM; 1623

Question 4

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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100 units of regular Humulin insulin in 250 mL 0.9% NS were to infuse at 4 mL/hr. How many units per hour will be delivered? _____

Question 5

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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Order: Digoxin 0.25 mg IV push. Infuse slowly over 5 min.
Available: Digoxin 0.5 mg/2 mL
How many milliliters should be infused per minute? _____

Question 6

Directions: Determine the flow rate for the following IV being administered by infusion pump.
Ampicillin 1.5 g in 100 mL 0.9% NS over 45 min: _____

Question 7

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

Question 8

Directions: Determine the infusion time for the following IV. State time in both traditional and military time. Round minutes to the nearest whole number of minutes.

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100 mL D5 $^1 / _2$ /2NS at 40 mL/hr
a. Determine the infusion time: _____
b. The IV was started at noon. When will the infusion be complete? _____

Question 9

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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Order: Regular Humulin Insulin 8 units/hr IV
Available: 50 units of insulin in 150 mL 0.9% NS
What rate in mL/hr will infuse 8 units/hr? _____

Question 10

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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The type of administration set that delivers the smallest drops is called _______________.

Question 11

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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When an IV medication is injected directly into a vein, the procedure is referred to as ________________.

Question 12

Directions: Determine the infusion time for the following IV. State time in both traditional and military time. Round minutes to the nearest whole number of minutes.

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1,000 mL D5W infusing at 90 mL/hr
a. Determine the infusion time: _____
b. The IV was started at 2:00 AM. When will the infusion be complete? _____

Question 13

Directions: Determine the following in drops per minute using the drop factor provided.
D5 NS is infusing at 28 macrogtt/min. The drop factor is 10 gtt/mL. How much fluid volume will the client receive in 8 hr? _____

Question 14

Directions: Determine the following in drops per minute using the drop factor provided.
Lactated Ringer solution is infusing at 45 microgtt/min. The drop factor is 60 gtt/mL. How much fluid volume will the client receive in 5 hr? _____

Question 15

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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40 units of regular Humulin insulin in 100 mL 0.9% NS were to infuse at 10 mL/hr. How many units per hour will be delivered? _____

Question 16

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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10% calcium chloride (10 mL) over 5 min IV push
How many milliliters will be injected per minute? _____ mL

Question 17

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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The type of administration set that will be selected for an IVPB solution is _______________.

Question 18

Directions: Determine the flow rate for the following IV being administered by infusion pump.
Zosyn 2 g in 100 mL D5W over 40 min: _____

Question 19

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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Drop factor of 15 on the package of a continuous IV administration set indicates what? ______________________________

Question 20

Directions: Determine the flow rate for the following IV being administered by infusion pump.
500 mL of Intralipid in 6 hr: _____

Question 21

Directions: Determine the infusion time for the following IV. State time in both traditional and military time. Round minutes to the nearest whole number of minutes.

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D5 1/3NS 1,000 mL at 45 mL/hr
Determine the infusion time: _____

Question 22

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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250 mL were to infuse in 8 hr at 31 microgtt/min.
The drop factor is 60 gtt/mL. After 4 hr, you notice that 100 mL have infused.
a. Recalculated rate: _____
b. Percentage of change: _____
c. Course of action: _____

Question 23

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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Order: Cardizem 0.25 mg/kg IV bolus. Infuse over 2 min. Client weighs 50 kg.
Available: Cardizem 25 mg (5 mg/mL)
a. How many milligrams should the client receive? _____ mg
b. How many milliliters will you give? _____ mL
c. How many milliliters will you infuse per minute? _____ mL/min

Question 24

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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2,000 mL of 0.9% NS were to infuse in 12 hr at 28 macrogtt/min.
The drop factor is 10 gtt/mL. After 8 hr, 900 mL remain.
a. Recalculated rate: _____
b. Percentage of change: _____
c. Course of action: _____

Question 25

Directions: Determine the infusion time for the following IV. State time in both traditional and military time. Round minutes to the nearest whole number of minutes.

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60 mL of IV fluid with medication infusing at 50 macrogtt/min. Drop factor is 10 gtt/mL.
Calculate the infusion time: _____

Question 26

Directions: Determine the following in drops per minute using the drop factor provided.

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500 mL D5W is infusing at a rate of 25 macrogtt/min. The drop factor is 10 gtt/mL. How long will it take for the IV to infuse? (Express time in hours and minutes.): _____

Question 27

Directions: Determine the following in drops per minute using the drop factor provided.
2,500 mL RL in 12 hr
a. 10 gtt/mL _____
b. 15 gtt/mL _____
c. 20 gtt/mL _____
d. 60 gtt/mL _____

Question 28

Directions: Determine the following in drops per minute using the drop factor provided.
250 mL of packed cells in 4 hr
a. mL/hr _____
b. gtt/min (drop factor: 20 gtt/mL): _____

Question 29

Directions: Determine the following in drops per minute using the drop factor provided.
0.45% NS at 30 mL/hr
a. 10 gtt/mL _____
b. 15 gtt/mL _____
c. 20 gtt/mL _____
d. 60 gtt/mL _____

Question 30

Directions: Determine the infusion time for the following IV. State time in both traditional and military time. Round minutes to the nearest whole number of minutes.

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150 mL D5W $^1 / _2$ NS infusing at 20 macrogtt/min. Drop factor: 15 gtt/mL.
Calculate the infusion time: _____

Question 31

Directions: Determine the infusion time for the following IV. State time in both traditional and military time. Round minutes to the nearest whole number of minutes.

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500 mL of whole blood to infuse at 130 mL/hr
a. Determine the infusion time: _____
b. The transfusion was started at 2:40 PM. When will the transfusion be completed? _____

Question 32

Directions: Determine the infusion time for the following IV. State time in both traditional and military time. Round minutes to the nearest whole number of minutes.

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Total parenteral nutrition (TPN) solution of 1,000 mL at 30 mL/hr
Determine the infusion time: _____

Question 33

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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Order: Integrilin 180 mcg/kg IV bolus initially. Infuse over 2 min. Client weighs 154 lb.
Available: 2 mg/mL
a. How many kilograms does client weigh? _____ kg
b. How many milligrams should the client receive? _____ mg
c. How many milliliters will you infuse per minute? _____ mL/min

Question 34

Directions: Determine the following in drops per minute using the drop factor provided.

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An IV of 1,000 mL 0.9 % NS is infusing at 18 macrogtt/min. The drop factor is 15 gtt/mL. How long will it take for the IV to infuse? (Express time in hours and minutes.): _____

Question 35

Directions: Recalculate the IV flow rate. Determine the percentage of change and state the course of action. Assume that hospital policy permits recalculation of rates when rates are off schedule and clients are stable.

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500 mL of D5 0.45% NS were to infuse in 5 hr at 33 macrott/min. The drop factor is 20 gtt/mL. After 2 hr, you notice 250 mL remaining.
a. Recalculated rate: _____
b. Percentage of change: _____
c. Course of action: _____

Question 36

Directions: Determine the following in drops per minute using the drop factor provided.
3,000 mL D5W at 125 mL/hr
a. 10 gtt/mL _____
b. 15 gtt/mL _____
c. 20 gtt/mL _____
d. 60 gtt/mL _____

Question 37

Directions: Determine the following in drops per minute using the drop factor provided.
0.33% NS at 200 mL/hr
a. 10 gtt/mL _____
b. 15 gtt/mL _____
c. 20 gtt/mL _____
d. 60 gtt/mL _____