Dosage Calculations
Worksheet #4
1.
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
Supplied: see label.
What volume will you administer per dose?
How many mg per bottle?
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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?
Academic Success Centre
Parkinson, Sept. 2013
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6.
Ordered:
1
5
strength Enfalac 50 mL q4h. The total volume of the 24 hour solution will have
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
Supplied: see label
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 strength 500 mL as a nutritional supplement TID.
4
Each can contains 240 milliliters.
1
How many milliliters of water should be added to the Isocal for a
Academic Success Centre
Parkinson, Sept. 2013
1
4
strength solution?
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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
Supplied: see label
How many mL will you administer in one dose?
12.
Ordered: Cefazolin 325 mg IM BID
Supplied: see label.
What volume will you administer per dose?
Academic Success Centre
Parkinson, Sept. 2013
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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
4
strength Ensure 750 mL via feeding tube over the next 4 hrs. Ensure is supplied in
240 mL cans.
What amount of solute is required for this concentration?
What amount of solvent is required for this concentration?
Academic Success Centre
Parkinson, Sept. 2013
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15.
Ordered: Stavudine 10 mg po daily x 10 days
Supplied: see label
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.
www.dailymedplus.com
ORAL USE
Academic Success Centre
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16.
Ordered: Potassium Chloride 80 mEq IV in 1 L NS over 10 hours
Supplied: see label
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:
Academic Success Centre
Parkinson, Sept. 2013
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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
Supplied: see label
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?
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Parkinson, Sept. 2013
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ANSWERS:
1. 8.4 units
2. 10 mL/dose; 2000 mg/ bottle
3. 10 mL/dose; 10 mL ORAL USE syringe (remember KCl has to be further diluted before
administration) or med cup
4. 10 mL/dose = 2 bottles; 37.4 mg/mL
5. 2 mL; 1000 mg/mL
6. 60 mL Enfalac (solute)/240 mL H2O (solvent)/24 hours; 10 mL Enfalac (solute)/40 mL H20
(solvent)/dose
7. 2.8 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
9. 375 mL water.
10. 4.8 units; 11.2 units
11. 1.2 mL/dose
12. 1.4 mL/dose
13. 1.6 mL/dose
14. 375 mL; 375 mL
15. 10 mL/dose; 10 mL ORAL USE syringe; 100 mL
16. 40 mL/1 L NS
17. 0.58 mL; 1.2 mL; 5.8 mL; 0.58 mL; Tuberculin
18. 12.5 units/day; 22.5 units/day
19. 1.5 mL/dose
20. 280 mL solute, 70 mL solvent
Academic Success Centre
Parkinson, Sept. 2013
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