Chapter 6: A Review of Arithmetic
Test Bank
MULTIPLE CHOICE
1. Which medication consists of a liquid solvent that contains one or more dissolved substances?
a.
Emulsion
b.
Precipitate
c.
Aliquot
d.
Intravenous (IV) solution
ANS: D
IV solutions consist of dissolved substances (solutes) in a liquid (solvent). An emulsion is a mixture of two immiscible (unblendable) substances. A precipitate is an insoluble product of a chemical reaction. An aliquot is a nonspecific small amount of a whole sample of a substance.
DIF: Cognitive Level: Knowledge REF: p. 72 OBJ: none
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
2. What is the most accurate way for the nurse to document the administration of two milligrams of a medication?
a.
Two mg
b.
2.0 mg
c.
2 mg
d.
II mg
ANS: C
2 mg is the correct documentation. It is not appropriate to write out the word two, to include a trailing zero to the right of the decimal point, or to use Roman numerals to write metric doses.
DIF: Cognitive Level: Application REF: p. 63 OBJ: none
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
COMPLETION
3. 1/7 + 3/7 = _____
ANS: 4/7
DIF: Cognitive Level: Comprehension REF: p. 59 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
4. 2 1/2 + 1 1/3 = _____
ANS: 3 5/6
DIF: Cognitive Level: Comprehension REF: p. 59 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
5. 7/30 + 9/30 + 1/30 = _____
ANS: 17/30
DIF: Cognitive Level: Comprehension REF: p. 59 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
6. 1/18 + 1/9 + 1/12 + 1/4 = _____
ANS: 1/2
DIF: Cognitive Level: Comprehension REF: p. 59 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
7. 5/18 2/9 = _____
ANS: 1/18
DIF: Cognitive Level: Comprehension REF: p. 60 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
8. 10 7/9 6 1/6 = _____
ANS: 4 11/18
DIF: Cognitive Level: Comprehension REF: p. 60 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
9. 1 1/2 7/11 = _____
ANS: 19/22
DIF: Cognitive Level: Comprehension REF: p. 60 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
10. 11/15 1/4 = _____
ANS: 29/60
DIF: Cognitive Level: Comprehension REF: p. 60 OBJ: 1
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MSC: NCLEX Client Needs Category: Physiological Integrity
11. 1/2 1/3 = _____
ANS: 1/6
DIF: Cognitive Level: Comprehension REF: p. 61 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
12. 5/12 3/4 = _____
ANS: 5/16
DIF: Cognitive Level: Comprehension REF: p. 61 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
13. 75/20 5 = _____
ANS: 18 3/4
DIF: Cognitive Level: Comprehension REF: p. 61 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
14. 300/125 5/1 = _____
ANS: 12
DIF: Cognitive Level: Comprehension REF: p. 61 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
15. 3/32 1/8 = _____
ANS: 3/4
DIF: Cognitive Level: Comprehension REF: p. 62 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
16. 7/10 3/5 = _____
ANS: 1 1/6
DIF: Cognitive Level: Comprehension REF: p. 62 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
17. 1/200 1/150 = _____
ANS: 3/4
DIF: Cognitive Level: Comprehension REF: p. 62 OBJ: 1
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18. 3/4 3 = _____
ANS: 1/4
DIF: Cognitive Level: Comprehension REF: p. 62 OBJ: 1
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
19. 0.5 + 0.05 = _____
ANS: 0.55
DIF: Cognitive Level: Comprehension REF: pp. 62-63 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
20. 1.5 + 0.75 = _____
ANS: 2.25
DIF: Cognitive Level: Comprehension REF: pp. 62-63 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
21. 0.125 + 0.25 = _____
ANS: 0.375
DIF: Cognitive Level: Comprehension REF: pp. 62-63 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
22. 4.302 + 1.88 + 0.009 = _____
ANS: 6.191
DIF: Cognitive Level: Comprehension REF: pp. 62-63 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
23. 19.83 4.51 = _____
ANS: 15.32
DIF: Cognitive Level: Comprehension REF: pp. 62-63 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
24. 3.75 1.5 = _____
ANS: 2.25
DIF: Cognitive Level: Comprehension REF: pp. 62-63 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
25. 4 0.8 = _____
ANS: 3.2
DIF: Cognitive Level: Comprehension REF: pp. 62-63 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
26. 3.7 1.9 = _____
ANS: 1.8
DIF: Cognitive Level: Comprehension REF: pp. 62-63 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
27. 0.125 10 = _____
ANS: 1.25
DIF: Cognitive Level: Comprehension REF: p. 63 OBJ: 2
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28. 10,000 0.75 = _____
ANS: 7500
DIF: Cognitive Level: Comprehension REF: p. 63 OBJ: 2
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29. 1.5 8.04 = _____
ANS: 12.06
DIF: Cognitive Level: Comprehension REF: p. 63 OBJ: 2
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30. 0.25 1/2 = _____
ANS: 0.125, 1/8
DIF: Cognitive Level: Comprehension REF: p. 63 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
31. 0.6 2 = _____
ANS: 0.3
DIF: Cognitive Level: Comprehension REF: p. 64 OBJ: 2
TOP: Nursing Process Step: Implementation
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32. 0.5 4 = _____
ANS: 0.125
DIF: Cognitive Level: Comprehension REF: p. 64 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
33. 5.5 10 = _____
ANS: 0.55
DIF: Cognitive Level: Comprehension REF: p. 64 OBJ: 2
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
34. 0.100 1000 = _____
ANS: 0.0001
DIF: Cognitive Level: Comprehension REF: p. 64 OBJ: 2
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35. 0.305 = _____
ANS: 305/100, 61/200
DIF: Cognitive Level: Comprehension REF: p. 65 OBJ: 3
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
36. 0.5 = _____
ANS: 5/10, 1/2
DIF: Cognitive Level: Comprehension REF: p. 65 OBJ: 3
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
37. 0.13 = _____
ANS: 13/100
DIF: Cognitive Level: Comprehension REF: p. 65 OBJ: 3
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MSC: NCLEX Client Needs Category: Physiological Integrity
38. 0.00007 = _____
ANS: 7/100,000
DIF: Cognitive Level: Comprehension REF: p. 65 OBJ: 3
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
39. 2/5 = _____
ANS: 0.4
DIF: Cognitive Level: Comprehension REF: p. 65 OBJ: 3
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
40. 1 3/4 = _____
ANS: 1.75
DIF: Cognitive Level: Comprehension REF: p. 65 OBJ: 3
TOP: Nursing Process Step: Implementation
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41. 0.125/0.25 = _____
ANS: 0.5
DIF: Cognitive Level: Comprehension REF: p. 65 OBJ: 3
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
42. 1/0.5 = _____
ANS: 2.0
DIF: Cognitive Level: Comprehension REF: p. 65 OBJ: 3
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
43. 32% = _____ (ratio), _____ (fraction), _____ (decimal)
ANS: 8:25, 8/25, 0.32
DIF: Cognitive Level: Comprehension REF: p. 66 OBJ: 5
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
44. 1:45 = _____ (%), _____ (fraction), _____ (decimal [round to the nearest thousandth])
ANS: 2.2, 1/45, 0.022
DIF: Cognitive Level: Comprehension REF: p. 66 OBJ: 5
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
45. 5/7 = _____ (%), _____ (ratio), _____ (decimal [round to the nearest thousandth])
ANS: 71.4, 5:7, 0.714
DIF: Cognitive Level: Comprehension REF: p. 66 OBJ: 5
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
46. 0.62 = _____ (%), _____ (ratio), _____ (fraction)
ANS: 62, 31:50, 31/50
DIF: Cognitive Level: Comprehension REF: p. 66 OBJ: 5
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
47. 1 mg = _____ mcg
ANS: 1000
DIF: Cognitive Level: Application REF: p. 68 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
48. 1 kg = _____ pounds
ANS: 2.2
DIF: Cognitive Level: Application REF: p. 70 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
49. 1 qt = _____ cups
ANS: 4
DIF: Cognitive Level: Application REF: p. 67 OBJ: 7
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50. 1 tsp = _____ mL
ANS: 5
DIF: Cognitive Level: Application REF: p. 67 OBJ: 7
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51. 1 L = _____ mL
ANS: 1000
DIF: Cognitive Level: Application REF: p. 68 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
52. 6.2 L = _____ mL
ANS: 6200
DIF: Cognitive Level: Application REF: p. 68 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
53. 55 g = _____ kg
ANS: 0.055
DIF: Cognitive Level: Application REF: p. 67 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
54. 1 tbs = _____ tsp
ANS: 3
DIF: Cognitive Level: Application REF: p. 67 OBJ: 7
TOP: Nursing Process Step: Implementation
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55. 75 lb = _____ kg
ANS: 34
DIF: Cognitive Level: Application REF: p. 70 OBJ: 7
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56. 1 c = _____ oz
ANS: 8
DIF: Cognitive Level: Application REF: p. 67 OBJ: 7
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57. 1 dL = _____ L
ANS: 1/10
DIF: Cognitive Level: Application REF: p. 68 OBJ: 7
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58. 15 kg = _____ lb
ANS: 33
DIF: Cognitive Level: Application REF: p. 70 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
59. The physician has ordered 3500 units of heparin subcutaneously q12h
Available: Heparin 5000 units/mL
What volume of heparin will you administer? _____
ANS:
0.7 mL
3500 units : x as 5000 units : 1 mL
Multiply means: (5000 units)(x) = 5000 units x
Multiply extremes: (3500 units)(1 mL) = 3500 units mL
Reduce = 0.7 mL
DIF: Cognitive Level: Application REF: pp. 70-71 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
60. Health care providers order: Versapen 2.5 mg/kg qid (patient weighs 20.2 kg).
Available: Versapen 112.5 mg/5 mL
How many mL will you give? _____
ANS:
2.24
2.5 mg 20.2 kg = 50.5 mg qid
x = 2.24 mL
DIF: Cognitive Level: Application REF: p. 70 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
61. Health care providers order: 0.75 g amoxicillin PO
Available: Amoxicillin 250 mg tablets
How many tablets will you give? _____
ANS:
3
750 mg(x) : 250(1)
250x = 750 1
x = 3 tablets
DIF: Cognitive Level: Application REF: p. 70 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
62. Infuse 150 mL gentamicin over 1 hour (set calibration is 10 gtt/mL).
Calculate the flow rate. _____ gtt/minute
ANS:
25
x = 25 gtt
DIF: Cognitive Level: Application REF: pp. 72-73 OBJ: 8
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
63. An IV of 750 mL was ordered to run over 6 hours with a set calibration of 10 gtt/mL.
After 2 hours you notice that 300 mL has infused. Recalculate the flow rate in gtt/min. _____
ANS:
18.75, 19
750 mL to be infused
300 infused in 2 hours = 450 mL left to be infused over 4 hours.
(2 hours have passed)
Reduce 10 and 60 to 1 and 6.
450 divided by 24 = 18.75 (round to 19 gtt)
DIF: Cognitive Level: Application REF: pp. 72-73 OBJ: 8
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
64. Zephrin chloride solution 1:5000 is ordered for an irrigation. How much 1:2000 stock solution is needed to prepare 1000 mL? _____ mL
ANS:
400
1000 mL of a 1:5000 solution contains 1/5 g or 200 mg of pure zephrin chloride.
1/5000 :: x/1000
Each mL of a 1:2000 solution contains 1/2 mg or 0.0005 g of pure zephrin chloride.
1/2000 :: x/2000
Therefore, 0.5 mg/1 mL :: 200 mg/x mL
x = 400 mL
DIF: Cognitive Level: Application REF: pp. 65-66 OBJ: 5
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
65. 1000 mL of solution containing 50 g glucose in water: _____
ANS:
1:20, 5%
1000:50 reduced is 1:20
1/20 :: x/100
100 = 20x
5 = x
DIF: Cognitive Level: Application REF: pp. 65-66 OBJ: 5
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
66. 500 mL of solution containing 350 mL alcohol in water: _____
ANS:
7:10, 70%
500:350 reduced is 7:10
7/10 :: x/100
700 = 10x
7 = x
DIF: Cognitive Level: Application REF: pp. 65-66 OBJ: 5
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
67. 200 mL of solution containing 2 g of boric acid in water: _____
ANS:
1:100, 1%
2:200 = 1:100 reduced or 1%
DIF: Cognitive Level: Application REF: pp. 65-66 OBJ: 5
TOP: Nursing Process Step: Implementation
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68. Convert 1 tablespoon to milliliters (mL): _____
ANS:
15
1 tbs = 3 tsp; 1 tsp = 5 mL; 3 tsp 5 mL = 15 mL
DIF: Cognitive Level: Application REF: pp. 67-68 OBJ: 7
TOP: Nursing Process Step: Implementation
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69. Convert 2 tsp to milliliters (mL): _____
ANS:
10
1 tsp = 5 mL; 5 mL 2 = 10
DIF: Cognitive Level: Application REF: pp. 67-68 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
70. Convert 400 mcg to mg: _____
ANS:
0.4
Move decimal three places to left (1000 mcg = 1 mg); = 0.4 mg
DIF: Cognitive Level: Application REF: pp. 67-68 OBJ: 7
TOP: Nursing Process Step: Implementation
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71. Convert 25 g to mg: _____
ANS:
25,000
1 g = 1000 mg; 25 g 1000 mg = 25,000 mg
DIF: Cognitive Level: Application REF: pp. 67-68 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity
72. Convert 0.2 mg to mcg: _____
ANS:
200
1 mg = 1000 mcg; move decimal place three places to the right; = 200 mcg
DIF: Cognitive Level: Application REF: pp. 67-68 OBJ: 7
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity