Dosage Calculations. Worksheet #4

Transcription

1 Dosage Calculations Worksheet # Ordered: Humulin 30/70 insulin 12 units subcut pmac. How many units of short acting insulin are in the above dose? How many units of intermediate acting insulin are in the above dose? Draw an arrow at the correct measurement: 2. Ordered: Amoxicillin 400 mg po BID. What volume will you administer per dose? How many mg per bottle? Page 1

2 3. Ordered: KCl 50 meq po TID. Supplied: 25 meq per 5 ml. What volume will you administer for one dose? What syringe would you use? Draw an arrow at the correct measurement. ORAL USE 4. Ordered: Ceclor 374 mg PO BID Supplied: See Label How many ml will you administer per dose? What is the concentration? 5. Ordered: Ceftriaxone 2 g IV TID Supplied: Ceftriaxone 4000 mg powdered vial Reconstitution: For IV administration, add 3.4 ml NS for a total volume of 4 ml. For IM administration, add 2 ml of NS for a total volume of 2.6 ml How many ml will you administer per dose? What is the concentration/ml? Page 2

3 6. Ordered: 1 strength Enfalac 50 ml q4h. The total volume of the 24 hour solution will have 5 what volume of solute mixed with what volume of solvent? What volume of solute mixed with what volume of solvent per dose? Enfalac is supplied in 240 ml cans. 7. Ordered: Ceftazidime 500 mg IV QID How many ml will you administer for one dose using 5 ml sterile water? How many ml will you administer for one dose using 10 ml sterile water? 8. Humulin R = acting insulin Humulin N = acting Humulin 30/70 = 9. Ordered: Isocal 1 strength 500 ml as a nutritional supplement TID. 4 Each can contains 240 milliliters. How many milliliters of water should be added to the Isocal for a 1 strength solution? 4 Page 3

4 10. Ordered: Humulin 30/70 insulin 16 units subcut amac. How many units of fast acting insulin are in the above dose? How many units of intermediate acting insulin are in the above dose? 11. Ordered: Morphine 12 mg IM stat How many ml will you administer in one dose? 12. Ordered: Cefazolin 325 mg IM BID. What volume will you administer per dose? Page 4

5 13. ORDERED: Methylprednisolone 100 mg IV TID SUPPLIED: see label. What volume will you administer per dose? Draw an arrow at the correct measurement: 14. Ordered: 2 strength Ensure 750 ml via feeding tube over the next 4 hrs. Ensure is supplied in ml cans. What amount of solute is required for this concentration? What amount of solvent is required for this concentration? Page 5

6 15. Ordered: Stavudine 10 mg po daily x 10 days What volume will you administer for one dose? What syringe would you use? How many ml are left after course of treatment (10 days)? Draw an arrow at the correct measurement. ORAL USE Page 6

7 16. Ordered: Potassium Chloride 80 meq IV in 1 L NS over 10 hours How many ml will you administer in 1 L NS? 17. Ordered: Heparin 5800 units subcut q12h Supplied: see vials What volume of medication is needed for: 10,000 unit/ml vial: 5,000 unit/ml vial: 1,000 unit/ml vial: Which volume of fluid is appropriate for a subcut injection? What syringe would be used for this amount? Draw an arrow at the correct amount: Page 7

8 18. Ordered: Insulin Humulin R 4 units subcut amac (breakfast) and pmac (dinner), Insulin 30/70 15 units subcut ordered ac lunch, Insulin NPH 12 units subcut ordered at hs. How many units of short acting insulin are given in one day? How many units of intermediate acting insulin are given in one day? 19. Ordered: Furosemide 15 mg IV BID How many ml will you administer in one dose? 20. Ordered: 80% strength debridement solution 350 ml for cleansing effected area. How many ml of solute and solvent? Page 8

9 ANSWERS: units ml/dose; 2000 mg/ bottle ml/dose; 10 ml ORAL USE syringe (remember KCl has to be further diluted before administration) or med cup ml/dose = 2 bottles; 37.4 mg/ml 5. 2 ml; 1000 mg/ml ml Enfalac (solute)/240 ml H2O (solvent)/24 hours; 10 ml Enfalac (solute)/40 ml H20 (solvent)/dose ml/ dose; 5.3 ml/dose 8. Humulin R = Fast acting insulin; Humulin N = intermediate acting Humulin 30/70 = 30 % fast acting 70 % intermediate acting ml water units; 11.2 units ml/dose ml/dose ml/dose ml; 375 ml ml/dose; 10 ml ORAL USE syringe; 100 ml ml/1 L NS ml; 1.2 ml; 5.8 ml; 0.58 ml; Tuberculin units/day; 22.5 units/day ml/dose ml solute, 70 ml solvent Page 9