Module 3: Calculating Medication Dosages - Practice ...

[Pages:4]Module 3: Calculating Medication Dosages - Practice Problems Answers Using Dimensional Analysis

Problem 1. Order = gr 3/4 Available = 30 mg tablets

Give___________

Dimensional Analysis xtablets 1tab 60mg x gr0.75 45 1.5tablets

30mg gr1 1 30

Give 1.5 tablets

2. Order = 100 mg Available = 125 mg/5 mL

Give___________

xmL 5mL x 100mg 500 4mL 125mg 1 125

Give 4 mL

3. Order = 50 mg Available = 80 mg/2 mL

Give___________

xmL 2mL x 50mg 100 1.25 1.3mL 80mg 1 80

Give 1.3 mL

4. Order = 0.5 g Available = 250 mg capsules

Give___________

xcapsules 1cap 1000mg x 0.5g 500 2capsules

250mg 1g

1 250

Give 2 capsules

5. Order = 0.24 g Available = 80 mg per 7.5 mL

Give___________

xmL 7.5mL 1000mg x 0.24g 1800 22.5mL

80mg 1g

1

80

Give 22.5 mL

6. Order = 20 mg Available = 10 mg per 15 mL

Give___________

xmL 15mL x 20mg 300 30mL 10mg 1 10

Give 30 mL

7. Order = 35 mg Available = 40 mg/2.5 mL

Give___________

xmL 2.5mL 35mg 87.5 2.18 2.2mL 40mg 1 40

Give 2.2 mL

8. Order = 200 mg Available = 0.5 g per mL

Give___________

xmL 1mL 1g x 200mg 200 0.4mL 0.5g 1000mg 1 500

Give 0.4 mL

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Problem 9. Order = 0.05 mg Available = 50 mcg tablets

Give___________

10. Order = 100 mg Available = 50 mg capsules

Give___________

11. Order = 250 mcg Available = 2.5 mg per 2 mL

Give___________

12. Order = 120 mg Available = 0.12g tablets

Give___________

13. Order = 1 g Available = 1000 mg tablets

Give___________

14. Order = Lanoxin 0.25 mg Available = Lanoxin 0.125 mg/tablet

Give___________

15. Order = Morphine gr 1/200 Available = Morphine 2 mg/mL

Give___________

16. Order = Digitoxin 0.2 mg Available = Digitoxin 0.1 mg tablets

Give___________

Dimensional Analysis

xtablets 1tab 1000mcg x 0.05mg 50 1tablet

50mcg 1mg

1 50

Give 1 tablet

xcapsules 1cap 100mg 100 2capsules 50mg 1 50

Give 2 capsules

xmL 2mL 1mg x 250mcg 500 0.2mL

2.5mg 1000mcg 1

2500

Give 0.2 mL

xtablets 1tab 1g x 120mg 120 1tablet 0.12g 1000mg 1 120

Give 1 tablet

xtablets 1tab 1000mg x 1g 1000 1tablet 1000mg 1g 1 1000

Give 1 tablets

xtablets 1tab 0.25mg 0.25 2tablets 0.125mg 1 0.125

Give 2 tablets

xmL 1mL 60mg x gr0.005 0.3 0.15 0.2mL

2mg gr1

1

2

Give 0.2 mL

xtablets 1tab 0.2mg 0.2 2tablets 0.1mg 1 0.1

Give 2 tablets

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Problem 17. Order = KCL 20 mEq Available = KCL 8 mEq per 5 mL

Give___________

18. Order = Synthroid 0.02 mg Available = Synthroid 0.01 mg/ 2 mL

Give___________

19. Order = Augmentin 250 mg Available = Augmentin 500 mg/5 mL

Give___________

20. Order = Codeine Sulfate gr 1/2 Available = Codeine Sulfate 30 mg tablets Give___________

21. Order = Diazepam 5 mg Available = Diazepam 10 mg tablets

Give___________

22. Order = Clinoril 800 mg Available = Dlinoril 400 mg tablets

Give___________

23. Order = Voltaren 450 mg Available = Voltaren 150 mg tablets

Give___________

24. Order = Coumadin 7.5 mg Available = Coumadin 5 mg tablets

Give___________

Dimensional Analysis

xmL 5mL 20mEq 100 12.5mL

8mEq 1

8

Give 12.5 mL

xmL 2mL 0.02mg 0.04 4mL 0.01mg 1 0.01

Give 4 mL

xmL 5mL 250mg 1250 2.5mL

500mg 1

500

Give 2.5 mL

xtablets 1tab 60mg x gr0.5 30 1tablet 30mg gr1 1 30

Give 1 tablet xtablets 1tab 5mg 5 0.5tablet

10mg 1 10 Give 0.5 tablet

xtablets 1tab 800mg 800 2tablets 400mg 1 400

Give 2 tablets

xtablets 1tab 450mg 450 3tablets 150mg 1 150

Give 3 tablets

xtablets 1tab 7.5mg 7.5 1.5tablets

5mg 1

5

Give 1.5 tablets

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Problem 25. Order = Phenobarbital 30 mg Available = Phenobarbital 15 mg/tablet

Give___________

26. Order = Tylenol gr X Available = Tylenol 300 mg tablets

Give___________

27. Order = Heparin 7500 units Available = Heparin 10,000 units/mL

Give___________

28. Order = Capoten 12.5 mg Available = Capoten 25 mg tablets

Give___________

29. Order = Codeine gr 1 Available = Codeine 30 mg/tablet

Give___________

30. Order = Ciprofloxacin hydrochloride 375 mg Available = Ciprofloxacin hydrochloride 750 mg tablet

Give___________

Dimensional Analysis xtablets 1tab 30mg 30 2tablets

15mg 1 15

Give 2 tablets

xtablets 1tab 60mg x gr10 600 2tablets 300mg gr1 1 300

Give 2 tablets

xmL 1mL 7500units 7500 0.75 0.8mL

10000units

1

10000

Give 0.8 mL

xtablets 1tab 12.5mg 12.5 0.5tablet

25mg 1

25

Give 0.5 tablet

xtablets 1tab 60mg x gr1 60 2tablets 30mg gr1 1 30

Give 2 tablets

xtablets 1tab 375mg 375 0.5tablet 750mg 1 750

Give 0.5 tablet

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