TEST BANK;
Henke's Med-Math: Dosage Calculation,
Preparation & Administration
by SUSAN BUCHHOLZ 10TH EDITION
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Table of Contents
Chapter 1, Arithmetic Needed for Dosage
Chapter 2, Metric and Household Systems of Measurement
Chapter 3, Drug Abbreviations, Labels, and Packaging
Chapter 4, Calculation of Oral Medications—Solids and Liquids
Chapter 5, Liquids for Injection
Chapter 6, Calculation of Basic IV Drip Rates
Chapter 7, Special Types of IV Calculations
Chapter 8, Dosage Problems for Infants and Children
Chapter 9, Information Basic to Administering Drugs
Chapter 10, Administration Procedures
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Chapter 1, Arithmetic Needed for Dosage
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Format: Multiple Choice
Chapter: 1
Client Needs: Physiological Integrity: Basic Care and comfort
Cognitive Level: Apply
Difficulty: Moderate .
Page and Header: 2, Dividing Whole Numbers; 3, Fractions
Integrated Process: Teaching/Learning
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Objective: 1, 2
1. A patient/client was instructed to drink 25 oz of water within 2 hours but was
only able to drink 15 oz. What portion of the water remained?
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
available quantity (25 oz): 10 oz remain. To determine tah
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t n of the water that
remains, create a fraction by dividing 10 oz (remaining portion) by 25 oz (total
portion). Therefore, 10 divided by 25 = 10/25. To reduce fractions, find the largest
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number that can be divided evenly into the numerator and the denominator (5). Ten
divided by 5 (10/5) = 2; 25/5 = 5. The fraction 10/25 can be reduced to its lowest
terms of 2/5. .
Format: Multiple Choice .
Chapter: 1
Client Needs: Physiological Integrity: Basic Care and Comfort
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Cognitive Level: Apply
Difficulty: Moderate
Page and Header: 2, Dividing Whole Numbers; 3, Fractiaobin
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Page 1
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Integrated Process: Teaching/Learning
Objective: 1, 2
2. A patient/client was prescribed 240 mL of Ensure by mouth and a supplement
but consumed only 100 mL. What portion of the Ensure remained?
A) 5/12
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B) 7/12
C) 100/240
D) 240/240 .
Ans: B
Feedback: Subtract the quantity of Ensure the client conasbiu
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md/tes(t100 mL) from the
total available quantity (240 mL): 140 mL remain. To determine the portion of the
Ensure that remains, create a fraction by dividing 140 mL (remaining portion) by 240
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mL (total portion). Therefore, 140 divided by 240 = 7/12. To reduce fractions, find the
largest number that can be divided evenly into the numerator and the denominator
(20); 140 divided by 20 (140/20) = 7; 240/20 = 12. The fraction 140/240 can be
reduced to its lowest terms of 7/12.
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Format: Multiple Choice
Chapter: 1
Client Needs: Physiological Integrity: Basic Care and comfort
Cognitive Level: Analyze
Difficulty: Difficult .
Page and Header: 2, Multiplying Whole Numbers; 3, Fractions
Integrated Process: Communication and Documentation
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Objective: 1, 2
1 1
3. A patient/client consumed 2 4 oz. of coffee, 2/3 oz. of ice cream, and 1 2 oz.
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of beef broth. What is the total number of ounces consumed that should be
documented for the patient/client?
A) 3 3/4 .
B) 4 5/12
C) 4 2/3
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D) 4 4/9
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Page 2
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Ans: B
Feedback: Add the amount of ounces consumed. First, change any mixed number to
a fraction by multiplying the whole number by the denomitation and then adding that
total to the numerator. For the coffee, 4 2 = 8 + 1 = 9/4; for the beef broth, 2 1
= 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 =
12. Rewrite each fraction using the LCD; divide the LCD by the denominator of each
fraction and then multiply that result by the numerator o f the fraction. The new
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fractions to be added are 27/12 (coffee), 8/12 (ice cream), and 18/12 (beef broth).
After conversion of the fractions, the numerators are addae
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estther and the fraction
is reduced to the lowest terms.
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Format: Multiple Choice
Chapter: 1
Client Needs: Physiological Integrity: Basic Care and comfort
Cognitive Level: Analyze
Difficulty: Difficult
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Page and Header: 2, Multiplying Whole Numbers; 3, Fractions
Integrated Process: Communication and Documentation
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Objective: 1, 2
4. A coffee cup holds 180 mL. The patient/client drank 2⅓ cups of coffee. How
many milliliters would the nurse document as consumeda?birb.com/test
A) 360
B) 420
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C) 510
D) 600
Ans: B .
Feedback: The coffee cup holds 180 mL. The client drank 2⅓ cups. To estimate the
total number of milliliters consumed, multiply 180 7/3 (2⅓). When a mixed number
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is present, change it to an improper fraction by multiplying the whole number by the
denominator and then adding that total to the numerator: 2 3 = 6 + 1 = 7/3.
Therefore, 180 mL × 7/3 = 420 mL (180 ÷ 3 = 60 × 7 = 420).
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Format: Multiple Choice
Chapter: 1 .
Client Needs: Physiological Integrity: Physiological Adaptation
Cognitive Level: Apply
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Difficulty: Moderate
Page and Header: 10, Decimals
Integrated Process: Nursing Process .
Objective: 3, 5
5. A patient/client weighed 48.52 kg on admission an
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om st eighs 50.4 kg. How
many kilograms were gained since admission?
A) 0.78
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B) 0.88
C) 1.88
D) 1.98
Ans: C
Feedback: To estimate the amount of kilograms gained, subtract weight on admission
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(48.52) from current weight (50.4 kg) = 1.88 kg (weight gained). To subtract
decimals, decimals are stacked lined up. Starting at the far right of the stack, the
numbers are subtracted. In the answer, make sure the daebicrbi.m al point lines up exactly
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with the points above it.
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Format: Multiple Choice
Chapter: 1
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Client Needs: Physiological Integrity: Physiological Adaptation
Cognitive Level: Apply
Difficulty: Moderate .
Page and Header: 10, Decimals
Integrated Process: Teaching/Learning
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Objective: 3, 5, 6
6. A patient/client's sodium intake for one meal was 0.004 g and 0.152 g. How
many grams, to the nearest hundredths, of sodium wereabirb
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/test
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