Dosage Calculations
Worksheet #4
1. Ordered: Streptomycin 0.4 g IM q8h.
Supplied: 1000 mg / 1.5 mL
How many mL per dose?
How many milligrams is the client receiving per day?
2. Ordered: Dilauded 3.5 mg prn q6h.
Supplied: Dilauded 10 mg/mL.
How many mL are needed for one prn dose? (round to the nearest hundredths)
3. Ordered: 6,000 units Fragmin subcut BID
Supplied: 10,000 units /7.5 mL
How many mL are required for each dose?
4. Ordered: Clindamycin 800 mg IV TID
Supplied: Clindamycin 1000 mg / 3mL
How many mL will the client receive for one dose?
How many mL will the client receive for the whole day?
Academic Success Centre
Parkinson, Sept. 2013
www.rrc.ca/asc
Revised by D. Earthdancer 2015
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1
5. Ordered: Penicillin 485,000 units p.o. QID.
Supplied: Penicillin oral suspension 1,000,000 units/4 mL.
How many mL do you administer for one dose? (Round to the nearest tenth)
How many mL do you administer for one day? (Round to the nearest tenth)
6. Ordered: Morphine 6 mg subcut q4h
Supplied: 2.5 mg/1.7 mL
What is the volume in mL you would administer for one dose?
7. Ordered: Kanamycin 275 mg IM q6h
Supplied: Kanamycin 500 mg / 4.2 mL
What is the volume you would administer for one dose? (Round to the nearest tenth)
8. Ordered: Heparin 3750 units subcut BID
Supplied: Heparin 10,000 units / mL
How many mL per dose? (Round to the nearest hundredth)
How many mL per day?
Academic Success Centre
Parkinson, Sept. 2013
www.rrc.ca/asc
Revised by D. Earthdancer 2015
http://www.youtube.com/rrcwiseguys
Page | 2
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9. Convert the following:
10.
a)
143 lb =_____________ Kg (Round to the nearest tenth)
b)
450 mL = ______________ L
c)
72 Kg = ________________lb
d)
3 tsp = _______________ mL
e)
1 T = ________________ tsp
f)
1500 mcg = ___________ mg
g)
7 oz = _____________ mL
h)
75 mL = _____________ T
i)
0.083 g = ______________ mg
j)
0.24 L = ____________ mL
3 5
4
+ + =
11 22 33
3
5
11. 7 − 5 =
8 16
Academic Success Centre
Parkinson, Sept. 2013
www.rrc.ca/asc
Revised by D. Earthdancer 2015
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12.
13.
1
8 =
3
2
4
5
5 4
× =
12 15
14. 150.2÷ 2.5 = (round to the nearest tenth)
15. 25.23 x 2.9 = (round to the nearest hundredth, tenth, whole number)
16. 467.4 + 48.4 + 4.95 = (round to the nearest tenth) =
17. 75.05 – 5.94 = (round to the nearest tenth)
Academic Success Centre
Parkinson, Sept. 2013
www.rrc.ca/asc
Revised by D. Earthdancer 2015
http://www.youtube.com/rrcwiseguys
Page | 4
http://blogs.rrc.ca/wiseguys
18. Fractions, Decimals, Percent (Do not round up or down. Go to the thousandths place when indicated **)
Fraction
Decimal
Percent
3
20
7
20
3
**
8
32%
45%
72%
3.3%
0.275
3
5
1
2
0.125
0.625
7
10
3
4
0.25
0.8
90%
Academic Success Centre
Parkinson, Sept. 2013
www.rrc.ca/asc
Revised by D. Earthdancer 2015
http://www.youtube.com/rrcwiseguys
Page | 5
http://blogs.rrc.ca/wiseguys
ANSWERS:
1.
2.
3.
4.
5.
6.
7.
8.
9.
0.6 mL/dose; 12 000 mg/day
0.35 mL/dose
4.5 mL/dose
2.4 mL/dose; 7.2 mL/day
3.4 mL/dose; 13.6 mL/day
4.1 mL/dose
2.3 mL/dose
1.5 mL/dose; 3 mL/day
18.
3
20
7
20
3
***
8
8
25
9
20
18
25
33
1000
11
40
3
5
1
2
6
10
𝟓
∗∗
𝟖
𝟐
𝟒
7
10
3
4
𝟒
𝟓
𝟗
𝟏𝟏
a. 65 Kg
b. 0.45 L
c. 158 lb
d. 15 mL
e. 3 tsp
f. 1.5 mg
g. 210 mL
h. 5 T
i. 83 mg
j. 240 mL
41
10.
66
1
11. 2
16
19
12. 1
22
1
13.
9
14. 60.1
15. 73.17; 73.2; 73
16. 520.8
17. 69.1
Academic Success Centre
Parkinson, Sept. 2013
Fraction
Decimal
0.15
0.35
Page | 6
15%
35%
0.375
37.5%
0.32
32%
0.45
45%
0.72
72%
0.033
3.3%
0.275
0.6
27.5%
60%
0.5
50%
0.6
60%
0.625
0.5
62.5%
50%
0.7
70%
0.75
75%
0.8
80%
0.9
90%
www.rrc.ca/asc
Revised by D. Earthdancer 2015
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Percent
http://blogs.rrc.ca/wiseguys