Volume and Time Problems Key-1 PDF

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N. Davis...

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1. The nurse has an order to infuse NS 500 mL over 6 hours using a tubing set which delivers 20 gtts/mL. Calculate the drop rate in gtts/min. Round to the nearest whole number. 500/360 x 20= 28 2. The nurse has an order to infuse D50.45% NS 650 mL over a 4-hour period. Calculate the drop rate in gtts/min using a drop factor of 10 gtts/mL. 650/240 x 10= 27 3. Dr. Greason has prescribed D5W with 10 mEq KCL to infuse at 100 ml/hr. How many hours will it take to infuse 1 L of fluid? 1000/100= 10 4. Heparin 25,000 units premixed in NS 500 mL is infusing at 10 mL/hr. How many units/hr of Heparin is the client receiving? 10/500 X 25,000= 500 5. The nurse must infuse 3000 mL of 0.225% NS over 48 hours. The nurse should program the electronic infusion device at what rate in mL/hr? Round to the nearest whole number. 3000/2880 X 60= 63 6. The healthcare provider has written an order for 0.9% NS to infuse at 50 mL/hr. The total amount of solution is 250 mL. If the infusion was started at 0530, at what time should the infusion be completed? 250/50= 5 0530+5= 1030 7. Dr. Valentine has prescribed Lactated Ringer’s 1500 mL to infuse over 12 hours. Using a drop factor of 15 gtt/mL, calculate the required dose in gtts/min. Round to the nearest whole number. 1500 x 15/720= 31 8. Zofran 4 mg premixed in D50.45% NS 50 mL must infuse over 20 minutes. Using an electronic infusion device, calculate the required rate in mL/hr. 50/20 X 60= 150 9. The doctor orders an IV infusion of D5W 1 L to infuse over 8 hours. The IV set delivers 15 gtt/mL. Calculate the flow rate in gtt/min rounded to the nearest whole number. 1000 X 15/480= 31 10. Normal saline is infusing at 65 mL/hr. How many milliliters of solution will the client receive in 9 hours? 65 X 9= 585 11. A client is to receive 150 mL of IV solution. If the electronic infusion device is set to deliver 100 mL/hr, how long should the infusion last? Provide your answer in minutes. 150/100= 90 mins

12. The nurse must infuse 750 mL of 0.225% NS over 18 hours. The nurse should program the electronic infusion device at what rate in mL/hr? Round one place beyond the decimal. 750/18= 41.7

13. D50 10 mL is to be administered over 3 minutes using a drop factor of 60. The nurse will program the electronic infusion device? Round the response to the nearest whole number. 10/3 X 60= 200

14. D5W (Dextrose 5% in Water) 1350 mL is ordered to infuse at 75 mL/hr. How many hours will it take for the infusion to complete? 1350/75= 18

15. Digoxin 18 mcg by mouth twice daily is prescribed. Digoxin is supplied in 12 mcg unscored tablets. How many tablets should the nurse administer per 24-hour period? None; not scored

16. The nurse must infuse 180 mL via burette pump over 60 minutes. At what rate, in mL/hr, should the nurse program the electronic infusion device? 180/60 X 60= 180

17. The physician has prescribed Heparin 1000 units/hr. The solution is premixed as Heparin 25,000 units in NS 500 mL. At what rate, in mL/hr, should the nurse program the infusion device? 1000/25000 X 500= 20

18. The intensivist has ordered a NS 500 mL fluid challenge. If the fluid is to be infused over 30 minutes, the nurse should program the electronic infusion device at what rate, in mL/hr, to correctly administer the required dose? Round to the nearest whole number. 500/30 X 60= 1000

19. A client is to receive Keflex 1.5 g via an infusion. The infusion time is 60 minutes. Keflex is prepared using D50.45% NS 50 mL. Calculate the flow rate in mL/hr using an electronic infusion device. 50/60 X 60= 50

20. Lactated Ringer’s (LR) 750 mL is to infuse over 30 minutes. At what rate will the nurse program the electronic infusion device? 750/30 X 60= 1500...