,
,Chapter 1: Arithmetic Needed for Dosage
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MULTIPLE CHOICE oo
1. A patient/client was instructed to drink 25 oz of water within 2 hours but was only able to
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drink 15 oz. What portion of the water remained?
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a. 2/5
b. 3/5
c. 2/25
d. 25/25
ANS: A o o
Feedback: Subtract the quantity of water the client drank (15 oz) from the total available
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quantity (25 oz): 10 oz remain. To determine the portion of the water that remains, create a
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fraction by dividing 10 oz (remaining portion) by 25 oz (total portion). Therefore, 10 divided
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by 25 = 10/25. To reduce fractions, find the largest number that can be divided evenly into
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the numerator and the denominator
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(5). Ten divided by 5 (10/5) = 2; 25/5 = 5. The fraction 10/25 can be reduced to its lowest terms
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of 2/5.
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Format: Multiple oo
Choice Chapter: 1
oo oo oo
Client Needs: Physiological Integrity: Basic Care and Comfort
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Cognitive Level: Apply
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Difficulty: Moderate oo
Page and Header: 2, Dividing Whole Numbers; 3, Fractions
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Integrated Process: Teaching/Learning
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Objective: 1, 2 oo oo
2. A patient/client was prescribed 240 W
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suSreMb.yWmSouth as a supplement but consumed
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only 100 mL. What portion of the Ensure remained?
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a. 5/12
b. 7/12
c. 100/240
d. 240/240
ANS: B o o
Feedback: Subtract the quantity of Ensure the client consumed (100 mL) from the total
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available quantity (240 mL): 140 mL remain. To determine the portion of the Ensure that
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remains, create a fraction by dividing 140 mL (remaining portion) by 240 mL (total portion).
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Therefore, 140 divided by 240 = 7/12. To reduce fractions, find the largest number that can be
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divided evenly into the numerator and the denominator (20); 140 divided by 20 (140/20) = 7;
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240/20 = 12. The fraction 140/240 can be reduced to its lowest terms of 7/12.
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
Format: Multiple oo
Choice Chapter: 1
oo oo oo
Client Needs: Physiological Integrity: Basic Care and Comfort
oo oo oo oo oo oo oo
Cognitive Level: Apply
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Difficulty: Moderate oo
Page and Header: 2, Dividing Whole Numbers; 3, Fractions
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Integrated Process: Teaching/Learning
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Objective: 1, 2 oo oo
1|Page
, 3. A patient/client consumed
oo oz. of coffee, 2/3 oz. of ice cream, and
oo oz. of beef o o o o oo oo oo oo oo oo oo oo o o o o oo oo
broth. What is the total number of ounces consumed that should be documented for the
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patient/client?
oo
a. 3 3/4 oo
b. 4 5/12 oo
c. 4 2/3 oo
d. 4 4/9 oo
ANS: B o o
Feedback: Add the amount of ounces consumed. First, change any mixed number to a fraction by
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multiplying the whole number by the denominator and then adding that total to the numerator. For
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the coffee, 4 2 = 8 + 1 = 9/4; for the beef broth, 2 1
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= 2 + 1 = 3/2. Then add: 9/4 + 2/3 (ice cream) + 3/2. When fractions have different
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denominators, find the least common denominator (LCD). For 2, 3, and 4, the LCD =
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12. Rewrite each fraction using the LCD; divide the LCD by the denominator of each fraction and
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then multiply that result by the numerator of the fraction. The new fractions to be added are
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27/12 (coffee), 8/12 (ice cream), and 18/12 (beef broth). After conversion of the fractions, the
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numerators are added together and the fraction is reduced to the lowest terms.
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Format: Multiple oo
Choice Chapter: 1
oo oo oo
Client Needs: Physiological Integrity: Basic Care and Comfort
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Cognitive Level: Analyze
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Difficulty: Difficult oo
Page and Header: 2, Multiplying Whole Numbers; 3, Fractions
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Integrated Process: Communication and Documentation
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Objective: 1, 2
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4. A coffee cup holds 180 mL. The patient/client drank 2? cups of coffee. How many milliliters would
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the nurse document as
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WWW.TBSM.WS
consumed?
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a. 360
b. 420
c. 510
d. 600
ANS: B o o
Feedback: The coffee cup holds 180 mL. The client drank 2? cups. To estimate the total
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number of milliliters consumed, multiply 180 7/3 (
oo oo oo ). When a mixed number is present, oo oo oo oo oo oo oo oo oo oo oo oo
change it to an improper fraction by multiplying the whole number by the denominator and
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then adding that total to the numerator: 2 3 = 6 + 1 = 7/3. Therefore, 180 mL × 7/3 = 420
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mL (180 ÷ 3 = 60 × 7 = 420).
oo oo oo oo oo oo oo oo oo oo
Format: Multiple oo
Choice Chapter: 1
oo oo oo
Client Needs: Physiological Integrity: Basic Care and Comfort
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Cognitive Level: Analyze
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Difficulty: Difficult oo
Page and Header: 2, Multiplying Whole Numbers; 3, Fractions
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Integrated Process: Communication and Documentation
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Objective: 1, 2
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5. A patient/client weighed 48.52 kg on admission and now weighs 50.4 kg. How many kilograms
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were gained since admission?
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a. 0.78
b. 0.88
2|Page
,Chapter 1: Arithmetic Needed for Dosage
oo oo oo oo oo
MULTIPLE CHOICE oo
1. A patient/client was instructed to drink 25 oz of water within 2 hours but was only able to
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drink 15 oz. What portion of the water remained?
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a. 2/5
b. 3/5
c. 2/25
d. 25/25
ANS: A o o
Feedback: Subtract the quantity of water the client drank (15 oz) from the total available
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quantity (25 oz): 10 oz remain. To determine the portion of the water that remains, create a
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fraction by dividing 10 oz (remaining portion) by 25 oz (total portion). Therefore, 10 divided
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by 25 = 10/25. To reduce fractions, find the largest number that can be divided evenly into
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the numerator and the denominator
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(5). Ten divided by 5 (10/5) = 2; 25/5 = 5. The fraction 10/25 can be reduced to its lowest terms
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of 2/5.
oo oo
Format: Multiple oo
Choice Chapter: 1
oo oo oo
Client Needs: Physiological Integrity: Basic Care and Comfort
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Cognitive Level: Apply
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Difficulty: Moderate oo
Page and Header: 2, Dividing Whole Numbers; 3, Fractions
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Integrated Process: Teaching/Learning
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Objective: 1, 2 oo oo
2. A patient/client was prescribed 240 W
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suSreMb.yWmSouth as a supplement but consumed
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only 100 mL. What portion of the Ensure remained?
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a. 5/12
b. 7/12
c. 100/240
d. 240/240
ANS: B o o
Feedback: Subtract the quantity of Ensure the client consumed (100 mL) from the total
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available quantity (240 mL): 140 mL remain. To determine the portion of the Ensure that
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remains, create a fraction by dividing 140 mL (remaining portion) by 240 mL (total portion).
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Therefore, 140 divided by 240 = 7/12. To reduce fractions, find the largest number that can be
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divided evenly into the numerator and the denominator (20); 140 divided by 20 (140/20) = 7;
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240/20 = 12. The fraction 140/240 can be reduced to its lowest terms of 7/12.
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Format: Multiple oo
Choice Chapter: 1
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Client Needs: Physiological Integrity: Basic Care and Comfort
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Cognitive Level: Apply
oo oo oo
Difficulty: Moderate oo
Page and Header: 2, Dividing Whole Numbers; 3, Fractions
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Integrated Process: Teaching/Learning
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Objective: 1, 2 oo oo
1|Page
, 3. A patient/client consumed
oo oz. of coffee, 2/3 oz. of ice cream, and
oo oz. of beef o o o o oo oo oo oo oo oo oo oo o o o o oo oo
broth. What is the total number of ounces consumed that should be documented for the
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
patient/client?
oo
a. 3 3/4 oo
b. 4 5/12 oo
c. 4 2/3 oo
d. 4 4/9 oo
ANS: B o o
Feedback: Add the amount of ounces consumed. First, change any mixed number to a fraction by
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multiplying the whole number by the denominator and then adding that total to the numerator. For
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the coffee, 4 2 = 8 + 1 = 9/4; for the beef broth, 2 1
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= 2 + 1 = 3/2. Then add: 9/4 + 2/3 (ice cream) + 3/2. When fractions have different
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denominators, find the least common denominator (LCD). For 2, 3, and 4, the LCD =
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12. Rewrite each fraction using the LCD; divide the LCD by the denominator of each fraction and
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then multiply that result by the numerator of the fraction. The new fractions to be added are
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27/12 (coffee), 8/12 (ice cream), and 18/12 (beef broth). After conversion of the fractions, the
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numerators are added together and the fraction is reduced to the lowest terms.
oo oo oo oo oo oo oo oo oo oo oo oo oo
Format: Multiple oo
Choice Chapter: 1
oo oo oo
Client Needs: Physiological Integrity: Basic Care and Comfort
oo oo oo oo oo oo oo
Cognitive Level: Analyze
oo oo oo
Difficulty: Difficult oo
Page and Header: 2, Multiplying Whole Numbers; 3, Fractions
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Integrated Process: Communication and Documentation
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Objective: 1, 2
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4. A coffee cup holds 180 mL. The patient/client drank 2? cups of coffee. How many milliliters would
oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo oo
the nurse document as
oo oo oo
WWW.TBSM.WS
consumed?
oo
a. 360
b. 420
c. 510
d. 600
ANS: B o o
Feedback: The coffee cup holds 180 mL. The client drank 2? cups. To estimate the total
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number of milliliters consumed, multiply 180 7/3 (
oo oo oo ). When a mixed number is present, oo oo oo oo oo oo oo oo oo oo oo oo
change it to an improper fraction by multiplying the whole number by the denominator and
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then adding that total to the numerator: 2 3 = 6 + 1 = 7/3. Therefore, 180 mL × 7/3 = 420
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mL (180 ÷ 3 = 60 × 7 = 420).
oo oo oo oo oo oo oo oo oo oo
Format: Multiple oo
Choice Chapter: 1
oo oo oo
Client Needs: Physiological Integrity: Basic Care and Comfort
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Cognitive Level: Analyze
oo oo oo
Difficulty: Difficult oo
Page and Header: 2, Multiplying Whole Numbers; 3, Fractions
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Integrated Process: Communication and Documentation
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Objective: 1, 2
oo oo oo
5. A patient/client weighed 48.52 kg on admission and now weighs 50.4 kg. How many kilograms
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were gained since admission?
oo oo oo oo
a. 0.78
b. 0.88
2|Page
