Dosage Calculation Preparation
and Administration 9th Edition
Buchholz
Chapter 1, Arithmetic Needed for Dosage ii ii ii ii ii
Format: Multiple i i
ChoiceChapter:
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Client Needs: Physiological Integrity: Basic Care and
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ii ComfortCognitive Level: i ii i i Apply
Difficulty: i i Moderate
Page and Header: 2, Dividing Whole Numbers; 3,
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ii FractionsIntegrated Process: i ii i i Teaching/Learning
Objective: i i 1, 2 ii
1. A patient/client was instructed to drink 25 oz of water within 2 hours but
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wasonly able to 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
Feedback: Subtract the quantity of water the client drank (15 oz) from the total
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ii available quantity (25 oz): 10 oz remain. To determine the portion of the water
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ii thatremains, create a fraction by dividing 10 oz (remaining portion) by 25 oz (total
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ii portion). Therefore, 10 divided by 25 = 10/25. To reduce fractions, find the largest
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ii number that can be divided evenly into the numerator and the denominator (5).
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Tendivided by 5 (10/5) = 2; 25/5 = 5. The fraction 10/25 can be reduced to its lowest
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ii terms of 2/5. ii ii
Format: Multiple i i
Page 1 i i
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, ChoiceChapter:
ii i i i 1
Client Needs: Physiological Integrity: Basic Care and
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ii ComfortCognitive Level:
i ii i i Apply
Difficulty: i i Moderate
Page and Header:
ii ii i i 2, Dividing Whole Numbers; 3, Fractions
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Page 2 i i
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, Integrated Process: ii
ii Teaching/LearningObjective: i i i 1, 2 ii
2. A patient/client was prescribed 240 mL of Ensure by mouth as a
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ii supplementbut consumed only 100 mL. What portion of the Ensure remained? i ii ii ii ii ii ii ii ii ii ii
A) 5/12
B) 7/12
C) 100/240
D) 240/240
Ans: B
Feedback: Subtract the quantity of Ensure the client consumed (100 mL) from the total
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ii available quantity (240 mL): 140 mL remain. To determine the portion of the Ensure
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that remains, create a fraction by dividing 140 mL (remaining portion) by
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240mL(totalportion).Therefore,140dividedby240=7/12.Toreducefractions,findthelarg
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est number that can be divided evenly into the numerator and the denominator (20);
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ii 140 divided by 20 (140/20) = 7; 240/20 = 12. The fraction 140/240 can be reduced to
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ii its lowest terms of 7/12.
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Format: Multiple i i
ii ChoiceChapter: i i i 1
Client Needs: Physiological Integrity: Basic Care and
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ii ComfortCognitive Level: i ii i i Analyze
Difficulty: i i Difficult
Page and Header: 2, Multiplying Whole Numbers; 3,
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ii FractionsIntegrated Process: Communication and Documentation
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ii Objective: i i 1, 2 ii
1 1
3. A patient/client consumed 2
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4 oz. of coffee, 2/3 oz. of ice cream, and 1
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2 oz.
of beef broth. What is the total number of ounces consumed that should bedocumented
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ii for the patient/client?
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A) 3 3/4ii
B) 4 5/12
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C) 4 2/3ii
D) 4 4/9ii
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