IV Infusion Rates Practice Questions

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Questions and Answers

A doctor orders 300 mL of Normal Saline to be infused over 6 hours. What is the hourly infusion rate?

  • 60 mL/hr
  • 30 mL/hr
  • 50 mL/hr (correct)
  • 40 mL/hr

A doctor orders 2 L of D5W 1/2 Normal Saline to infuse over 48 hours. What is the hourly infusion rate?

  • 42 mL/hr (correct)
  • 21 mL/hr
  • 32 mL/hr
  • 53 mL/hr

A doctor orders 100 mL of Ceftriaxone Sodium 1G to infuse over 30 minutes. What is the hourly infusion rate?

  • 200 mL/hr (correct)
  • 150 mL/hr
  • 100 mL/hr
  • 250 mL/hr

A doctor orders 1000 mL of TPN to infuse over 36 hours. What is the hourly infusion rate?

<p>27.8 mL/hr (B)</p> Signup and view all the answers

A doctor orders 0.8 L of Normal Saline to infuse over 45 minutes. What is the hourly infusion rate?

<p>1067 mL/hr (D)</p> Signup and view all the answers

A doctor orders 250 mL of Vancomycin 300 mg to infuse over 80 minutes. What is the hourly infusion rate?

<p>187.5 mL/hr (A)</p> Signup and view all the answers

A doctor orders 300 mL of Packed Red Blood Cells to infuse over 4 hours. What is the hourly infusion rate?

<p>75 mL/hr (B)</p> Signup and view all the answers

A doctor orders 250 mL of Vancomycin to infuse over 45 minutes. What is the hourly infusion rate?

<p>333 mL/hr (B)</p> Signup and view all the answers

A doctor orders 2,500 mL of D5 1/2 Normal Saline to infuse over 48 hours. What is the hourly infusion rate?

<p>52.1 mL/hr (B)</p> Signup and view all the answers

A doctor orders 2,500 mL of D5 1/4 Normal Saline to infuse over 1 day. What is the hourly infusion rate?

<p>104.2 mL/hr (C)</p> Signup and view all the answers

Flashcards

Hourly Infusion Rate

The volume of fluid to be infused per hour.

Hourly rate for 300 mL NS over 6 hours?

300 mL of Normal Saline infused over 6 hours.

Hourly rate for 2L D5W 1/2 NS over 48 hours?

2 Liters of D5W 1/2 Normal Saline infused over 48 hours. Note: 1 L = 1000 mL

Hourly rate for 100 mL Ceftriaxone over 30 mins?

100 mL Ceftriaxone Sodium 1G infused over 30 minutes.

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Hourly rate for 1000 mL TPN over 36 hours?

1000 mL of TPN infused over 36 hours.

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Hourly rate for 0.8L NS over 45 mins?

0.8 Liters of Normal Saline to infuse over 45 minutes. Note: 1 L = 1000 mL

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Hourly rate for 250 mL Vancomycin over 80 minutes?

250 mL of Vancomycin 300 mg to infuse over 80 minutes.

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Hourly rate for 300 mL PRBCs over 4 hours?

300 mL of Packed Red Blood Cells to infuse over 4 hours.

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Hourly rate for 250 mL Vancomycin over 45 minutes?

250 mL of Vancomycin to infuse over 45 minutes.

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Hourly rate for 2500 mL D5 1/2 NS over 48 hours?

2,500 mL of D5 1/2 Normal Saline to infuse over 48 hours.

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Study Notes

  • The following are IV infusion rates practice questions in mL/hr

Question 1

  • 300 mL of Normal Saline is to be infused over 6 hours
  • The hourly rate is 50 mL/hr

Question 2

  • 2 L of D5W 1/2 Normal Saline is to be infused over 48 hours
  • Convert 2 L to 2000 mL

Question 3

  • 100 mL Ceftriaxone Sodium 1G is to be infused over 30 minutes

Question 4

  • 1000 mL of TPN is to be infused over 36 hours

Question 5

  • 0.8 L of Normal Saline is to be infused over 45 minutes
  • Convert 0.8 L to 800 mL

Question 6

  • 250 mL of Vancomycin 300 mg is to be infused over 80 minutes

Question 7

  • 300 mL of Packed Red Blood Cells is to be infused over 4 hours

Question 8

  • 250 mL of Vancomyin is to be infused over 45 minutes

Question 9

  • 2,500 mL of D5 1/2 Normal Saline is to be infused over 48 hours

Question 10

  • 2,500 mL of D5 1/4 Normal Saline is to be infused over 1 day
  • Convert 1 day to 24 hours

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