Registered Nurse RN

Registered Nurse, Free Care Plans, Free NCLEX Review, Nurse Salary, and much more. Join the nursing revolution.

  • RN
    • Nursing Clinical Skills
  • Nursing Videos
  • Blog
  • Nursing School
  • Nursing Care Plans
  • Nursing Quizzes
  • Nursing
  • Nursing Jobs
  • NCLEX Review
  • Store

Grains Nursing Dosage & Calculations Quiz

This quiz on grains conversions will test your ability to solve dosage and calculation problems. 

Grain conversions are still being taught in some nursing programs, therefore, I wanted to create some practice problems for those students who are still be required to learn how to solve grain drug problems.

After you take this quiz, be sure to check out our other dosage and calculation quizzes with video teaching tutorials that go along with each quiz.

Tutorial on Solving for Grains


Grains Nursing Dosage Calculations Practice Problems

This quiz will test your knowledge on how to solve nursing dosage and calculations problems for grains.

Note: After you click the submit button, the page will refresh and you will have to scroll down to see your results and what answers you got right/wrong.

Grains Dosage Calculation Practice Problems

1.       gr. iss = ? mg

2.       979 mg = ? grains

3. 7 grams = ? grains

4.       gr. XV = ? mg

5.       gr. X =  mg

6.       2 grams = ? grains

7.       ¼ gr. = ? mg

8.       gr. V = ? grams

9.       Doctor orders an oral suspension of Tylenol gr. X every 6 hours as needed for a fever greater than 101.4’ F. You’re supplied with 160mg/mL. How many mL/dose will you administer?

10. Doctor orders Dilaudid 1 mg IV for a one time dose. You’re supplied with a vial that reads 0.5 gr/mL. How many mL will you administer per dose?

11. Doctor orders Westhroid ½ gr. by mouth daily. You’re supplied with 65 mg tablets. How many tablets will you administer per dose?

12. Doctor orders Sodium Bicarbonate gr. XV. You’re supplied with 1 Gram tablets. How many tablets will you administer per dose?

13. Doctor orders Armour Thyroid gr. X by mouth daily. You’re supplied with 300 mg tablets. How many tablets will you administer per dose?

14. Doctor orders Tylenol 1 Gram by mouth every 6 hours as needed for pain. You’re supplied with 5 grains per capsule. How man capsules will you administer per dose?

15. Doctor orders a liquid suspension of Aspirin 180 mg by mouth daily. You’re supplied with Aspirin gr. V per 2 mL. How many mL will you administer per dose?

16. Doctor orders Diazepam 5 mg IV every 6 hours as needed for agitation. You’re supplied with gr. iss/2mL. How many mL will you administer per dose?

17. Doctor orders Morphine 1/8 grains IV every 4 hours as needed for pain. You’re supplied with a vial that says 2 mg/mL. How many mL/dose will you administer?

Answer Key:

1. 90 mg
2. 16.3 grains
3. 105 grains
4. 900 mg
5. 600 mg
6. 30 grains
7. 15 mg
8. 0.3 grams
9. 3.75 mL/dose
10. 0.03 mL/dose
11. 0.5 tablet/dose
12. 1 tablet/dose
13. 2 tablets/dose
14. 3 capsules/dose
15. 1.2 mL/dose
16. 0.1 mL/dose
17. 3.75 mL/dose

iv reconstitution calculation Don’t forget to tell your friends about this quiz by sharing it your Facebook, Twitter, and other social media. You can also take more fun nursing quizzes.

*Disclaimer: While we do our best to provide students with accurate and in-depth study quizzes, this quiz/test is for educational and entertainment purposes only. Please refer to the latest NCLEX review books for the latest updates in nursing. This quiz is copyright RegisteredNurseRn.com. Please do not copy this quiz directly; however, please feel free to share a link to this page with a friend.

Please Share:

  • Print (Opens in new window) Print
  • Share on Facebook (Opens in new window) Facebook
  • Share on X (Opens in new window) X
  • Share on Pinterest (Opens in new window) Pinterest
  • More
  • Share on Reddit (Opens in new window) Reddit
  • Share on LinkedIn (Opens in new window) LinkedIn
  • Share on WhatsApp (Opens in new window) WhatsApp
  • Share on Telegram (Opens in new window) Telegram

Nursing Notes

Nursing School Bundles Notes by Nurse Sarah

RSS Latest YouTube Videos

  • Happy Nurses Week 2026!! #nursing #nurse
  • STI (Sexually Transmitted Infections) Maternity Nursing NCLEX Review - Reproductive Health
  • Nursing Students: Don't Forget... #nursing #nclex #nursingschool
  • Hepatitis B Vaccine, Symptoms, Treatment Nursing STI NCLEX Review

Recent Posts

  • STI/STD NCLEX Review Questions – COMPREHENSIVE
  • Hepatitis B NCLEX Practice Questions
  • Order of Draw Phlebotomy Quiz Questions
  • Insulin Types Explained: Onset, Peak, Duration (Ultra-Rapid, Rapid, Short, Long-Acting)
  • NCLEX Practice Questions: Infection Control and Safety

Disclosure and Privacy Policy

This website provides entertainment value only, not medical advice or nursing protocols. We strive for 100% accuracy, but nursing procedures and state laws are constantly changing. By accessing any content on this site or its related media channels, you agree never to hold us liable for damages, harm, loss, or misinformation. See our full disclosure and privacy policy.

Important Links

  • Advertise
  • Contact Us

Follow Us on Social Media

  • Facebook Nursing
  • Instagram Nursing
  • TikTok Nurse
  • Twitter Nursing
  • YouTube Nursing

Copyright Notice

All images, articles, text, videos, and other content found on this website are protected by copyright law and are the intellectual property of RegisteredNurseRN.com or their respective owners.

Copyright © 2026 RegisteredNurseRN.com. All Rights Reserved.