Math for Nursing (Dosage Calculation Using the Dimensional Analysis Method)

Dosage Calculation Using the Dimensional Analysis Method COMPLETION 1. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Amoxil 0.5 g p.o. q6h Available: Amoxil capsules labeled 250 mg per capsule ANS: 2 caps 2. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Raloxifene HCl 60 mg p.o. b.i.d. Available: Raloxifene HCl tablets labeled 60 mg per tablet ANS: 1 tab 3. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Zofran 7 mg p.o. b.i.d. Available: Zofran oral solution labeled 4 mg per 5 mL ANS: 8.8 mL 4. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Thorazine 25 mg p.o. t.i.d. Available: Thorazine syrup labeled 10 mg per 5 mL ANS: 12.5 mL 5. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Compazine 8 mg p.o. stat Available: Compazine syrup labeled 5 mg per 5 mL ANS: 8 mL 6. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Thorazine 15 mg IM stat Available: Thorazine 25 mg per mL ANS: 0.6 mL 7. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Clindamycin 0.475 g IV q12h Available: ANS: 3.2 mL 8. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Ketorolac 16 mg IV q6h p.r.n. for pain Available: ANS: 1.1 mL 9. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Calcijex 1.5 mcg IV daily on Mon., Wed., Fri. Available: Calcijex 1 mcg per mL ANS: 1.5 mL 10. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Ampicillin 0.375 g IM q6h Available: Ampicillin 250 mg per mL ANS: 1.5 mL 11. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Heparin 3,250 units subcut daily Available: (Express answer in hundredths) ANS: 0.65 mL 12. Directions: Calculate the following dosage using the dimensional analysis method. Round mL answers to the nearest tenth unless otherwise indicated Order: Heparin 5,500 units subcut stat Available: (Express answer in hundredths.) ANS: 0.55 mL Oral Medications COMPLETION 1. Directions: Complete with the correct word(s) or number. An elongated tablet for easy swallowing is referred to as a _______________. ANS: caplet 2. Directions: Complete with the correct word(s) or number. Enteric-coated tablets and time-release tablets should never be _______________. ANS: crushed, broken 3. Directions: Complete with the correct word(s) or number. Sublingual tablets must never be _______________ but placed _______________ the tongue. ANS: crushed, swallowed; under 4. Directions: Complete with the correct word(s) or number. The nurse should question and check any calculation that indicates you should administer more than ________ tablets or capsules to achieve a single dose. ANS: three, 3 5. Directions: Complete with the correct word(s) or number. The solid form of medication that contains granules that delays the release of the medication is referred to as a _______________. ANS: spansule 6. Directions: Complete with the correct word(s) or number. The most common form of oral medication is the __________. ANS: tablet 7. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Ranitidine 300 mg p.o. daily at bedtime Available: Dosage: _____ ANS: 2 tabs 8. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Evista 60 mg p.o. daily Available: Dosage: _____ ANS: 1 tab 9. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Tegretol 0.2 g p.o. b.i.d. Available: Dosage: _____ ANS: 2 tabs 10. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Biaxin 175 mg p.o. q12h Available: Dosage: _____ ANS: 3.5 mL 11. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Cardura 8 mg p.o. daily Available: a. Which dosage strength of Cardura would you use? _____ mg tabs b. How many tablets will you administer? _____ tab(s) ANS: a. 4 b. 2 12. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Synthroid 0.3 mg p.o. daily Available: Dosage: _____ tab(s) ANS: 2 13. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Benazepril (Lotensin HCT) 20 mg per 25 mg p.o. every day Available: a. How many tablets should the client receive per dosage? _____ tab(s) b. How many tablets would be needed for 1 week? _____ tab(s) ANS: A. 2 B. 14 14. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Diazepam 4 mg via nasogastric tube t.i.d. Available: Diazepam oral solution 5 mg per 5 mL a. How many milliliters should the client receive per dosage? _____ mL b. How many milligrams will the client receive per day? _____ mg ANS: A. 4 B. 12 15. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Ceftin 500 mg p.o. q12h Available: Dosage: _____ ANS: 10 mL 16. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Norvasc 5 mg p.o. daily Available: Dosage: _____ ANS: 2 tabs 17. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Tenormin 100 mg p.o. daily Available: ANS: 2 tabs 18. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Ampicillin 1 g p.o. as an initial dosage and then 500 mg p.o. q.i.d. for 7 days thereafter Available: Ampicillin capsules labeled 500 mg a. How many capsules will you administer for the initial dosage? _____ cap(s) b. What is the total number of capsules needed for the subsequent dosages for 7 days? _____ cap(s) ANS: A. 2 B. 28 19. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Feldene 20 mg p.o. daily Available: a. Which dosage strength would be best to use? _____ mg caps b. How many capsules will you administer per dosage? _____ cap(s) ANS: A. 20 B. 1 20. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Diflucan 350 mg p.o. daily Available: Dosage: _____ ANS: 8.8 mL 21. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Depakene 0.5 g p.o. daily for 1 week, then 1 g p.o. daily beginning the second week Available: a. How many milligrams will the client receive per dosage for 1 week? _____ mg b. How many milliliters will you administer per dosage for 1 week? _____ mL c. How many milligrams will the client receive per dosage the second week? _____ mg per dosage d. How many milliliters will you administer per dosage the second week? _____ mL ANS: A. 500 B. 10 C. 1,000 D. 20 22. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Potassium chloride 40 mEq p.o. every day Available: a. How many milliliters would the client receive? _____ mL b. How many containers are needed? _________ container(s) ANS: A. 30 B. 2 23. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Zithromax 160 mg p.o. daily Available: Dosage: _____ ANS: 4 mL 24. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Zoloft 50 mg p.o. daily Available: Dosage: _____ ANS: 2 tabs 25. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Methadone hydrochloride 25 mg p.o. daily Available: Scored tablets Dosage: _____ ANS: 2 1/2 tabs 26. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Carvedilol (Coreg) 6.25 mg p.o. b.i.d. Available: a. How many tablets should the client receive per dosage? _____ tab(s) b. How many milligrams will the client receive per day? _____ mg ANS: a. 2 b. 12.5 27. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Terbutaline 5 mg p.o. q8h Available: a. Which dosage of Terbutaline would you use and why? ________________ b. How many tablets will you give? ______ tab(s) ANS: a. Use the 5 mg tab; if the 2.5 mg tab were used, the client would have to take 2 tabs. Although 2 tabs are acceptable, you want to administer the least number of tablets to achieve the dosage. b. 1 28. Directions: Calculate the following dosage. Use labels where provided. Round oral liquids to the nearest tenth as indicated. Order: Clozaril 50 mg p.o. daily Available: Dosage: _____ ANS: 2 tabs