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
Page 2 of 4
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
Page 3 of 4
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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