Henke's Med-Math Dosage Calculation Preparation & Administration 9th
Edition Test Bank
CHAPTER 1, Arithmetic Needed for Dosage
1. Reduce the following fraction to lowest terms.
54/81 =
ANS: 2/3
PTS: 1 MSC: Practice Problems
2. Reduce the following fraction to lowest terms.
105/135 =
ANS: 7/9
PTS: 1 MSC: Practice Problems
3. Reduce the following fraction to lowest terms.
39/65 =
ANS: 3/5
PTS: 1 MSC: Practice Problems
4. Change the following improper fraction to a whole or mixed number.
325/16 =
ANS: 20 5/16
PTS: 1 MSC: Practice Problems
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5. Change the following improper fraction to a whole or mixed number.
1,500/100 =
ANS: 15
PTS: 1 MSC: Practice Problems
6. Change the following improper fraction to a whole or mixed number.
193/62 =
ANS: 3 7/62
PTS: 1 MSC: Practice Problems
7. Change the following mixed number to an improper fraction.
12 1/8 =
ANS: 97/8
PTS: 1 MSC: Practice Problems
8. Change the following mixed number to an improper fraction.
29 2/3 =
ANS: 89/3
PTS: 1 MSC: Practice Problems
9. Perform the indicated operation and reduce to lowest terms.
1/12 + 6/12 + 5/12 =
ANS: 1
PTS: 1 MSC: Practice Problems
10. Perform the indicated operation and reduce to lowest terms.
3/8 1/3 =
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ANS: 1/24
PTS: 1 MSC: Practice Problems
11. Perform the indicated operation and reduce to lowest terms.
4/5 5/16 =
ANS: 1/4
PTS: 1 MSC: Practice Problems
12. Perform the indicated operation and reduce to lowest terms.
1/12 1/15 =
ANS: 1/180
PTS: 1 MSC: Practice Problems
13. Perform the indicated operation and reduce to lowest terms.
3/5 5 =
ANS: 3/25
PTS: 1 MSC: Practice Problems
14. Perform the indicated operation and reduce to lowest terms.
1/100 1/200 =
ANS: 2
PTS: 1 MSC: Practice Problems
15. Indicate which fraction is the largest.
1/100, 1/150, 1/200:
ANS: 1/100
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PTS: 1 MSC: Practice Problems
16. Arrange the following fractions from smallest to largest.
1/6, 1/5, 1/8, 1/4, 1/3:
ANS: 1/8, 1/6, 1/5, 1/4, 1/3
PTS: 1 MSC: Practice Problems
17. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
1/5 + 1/2 + 1/4 =
ANS: 19/20
PTS: 1 MSC: Practice Problems
18. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
16 5/6 14 3/8 =
ANS: 2 11/24
PTS: 1 MSC: Practice Problems
19. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
6 10/12 15/3 =
ANS: 34 1/6
PTS: 1 MSC: Practice Problems
20. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
56 9/20 =
ANS: 124 4/9
PTS: 1 MSC: Practice Problems
21. Indicate the largest number in the following set.
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5/6, 5/8:
ANS: 5/6
PTS: 1 MSC: Practice Problems
22. Indicate the largest number in the following set.
1/30, 1/4, 1/150:
ANS: 1/4
PTS: 1 MSC: Practice Problems
23. Reduce the following fraction to lowest terms.
34/102 =
ANS: 1/3
PTS: 1 MSC: Practice Problems
24. Reduce the following fraction to lowest terms.
60/1200 =
ANS: 1/20
PTS: 1 MSC: Practice Problems
25. Express the following improper fraction as a mixed number. Reduce to lowest terms.
24/18 =
ANS: 1 1/3
PTS: 1 MSC: Practice Problems
26. Express the following improper fraction as a mixed number. Reduce to lowest terms.
15/13 =
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ANS: 1 2/13
PTS: 1 MSC: Practice Problems
27. Change the following mixed number to an improper fraction.
9 1/9 =
ANS: 82/9
PTS: 1 MSC: Practice Problems
28. Change the following mixed number to an improper fraction.
6 7/10 =
ANS: 67/10
PTS: 1 MSC: Practice Problems
29. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
6 5/16 + 5 3/16 =
ANS: 11 1/2
PTS: 1 MSC: Practice Problems
30. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
4 3/10 + 2 2/10 =
ANS: 6 1/2
PTS: 1 MSC: Practice Problems
31. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
3 1/5 + 3 2/3 + 2 1/2=
ANS: 12 11/30
PTS: 1 MSC: Practice Problems
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32. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
1 2/4 + 3 1/3 =
ANS: 4 5/6
PTS: 1 MSC: Practice Problems
33. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
15/21 10/21 =
ANS: 5/21
PTS: 1 MSC: Practice Problems
34. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
8/16 1/4 =
ANS: 1/4
PTS: 1 MSC: Practice Problems
35. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
14 5/9 =
ANS: 13 4/9
PTS: 1 MSC: Practice Problems
36. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
6 1/4 2 5/8 =
ANS: 3 5/8
PTS: 1 MSC: Practice Problems
37. Perform the indicated operation with fractions. Reduce to lowest terms as indicated.
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5 1/3 1 7/12 =
ANS: 3 3/4
PTS: 1 MSC: Practice Problems
38. A client received 2 1/2 ounces (oz) of medication at breakfast and 2 1/3 oz at lunch. How
many oz of medication has the client received?
ANS: 4 5/6 oz
PTS: 1 MSC: Practice Problems
39. A client weighed 147 1/2 pounds (lb), lost 6 3/4 lb due to illness. How many pounds does the
client now weigh?
ANS: 140 3/4 lb
PTS: 1 MSC: Practice Problems
40. A client drank 2/3 of a 12 ounce (oz) can of seltzer water. How many ounces of seltzer water
did the client drink?
ANS: 8 oz
PTS: 1 MSC: Practice Problems
41. A client is supposed to drink a 10 ounce (oz) bottle of magnesium citrate before an X-ray
study. The client was able to drink 4 oz. How much of the magnesium citrate remains? (Express
answer as a fraction reduced to lowest terms.)
ANS: 2/5 bottle
PTS: 1 MSC: Practice Problems
42. The nurse is instructed to give a client 2/3 of a cup of solution. If 1 cup = 240 milliliters
(mL), how many mL should the nurse administer?
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