HENKE’S MED MATH: DOSAGE CALCULATION,
PREPARATION & ADMINISTRATION BY SUSAN
BUCHHOLZ 9TH EDITION ISBN: 9781975106522
COMPLETE STUDY GUIDE LATEST UPDATE 2025
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,Table of content
Chapter 01 arithmetic needed for dosage
Chapter 02 metric and household systems of measurements
Chapter 03 Drug abbreviations, labels, and packaging
Chapter 04 calculation of oral medications solids and liquids
Chapter 05 liquid for injections
Chapter 06 calculations of basic IV Drip rates
Chapter 07 special types of IV Calculations
Chapter 08 Dosage problems for infants and children
Chapter 09 Information Basic to administering Drugs
Chapter 10 Administration procedures
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,Chapter 01 arithmetic needed for dosage
Question:
In fractions, what is the top number?
a. Denominator
b. Numerator
c. Divisor
d. Fractional part
Answer:
b. Numerator
Rationale:
In a fraction, the top number is called the numerator. The numerator
indicates how many parts of the whole are being considered. The bottom
number is the denominator, which shows the total number of equal parts
the whole is divided into. For example, in the fraction 3/4, 3 is the numerator
(the number of parts being considered), and 4 is the denominator (the total
number of parts). Therefore, the correct answer is b. Numerator.
Question:
In fractions, what is the bottom number?
a. Numerator
b. Denominator
c. Divisor
d. Fractional part
Answer:
, b. Denominator
Rationale:
In a fraction, the bottom number is called the denominator. The
denominator indicates how many equal parts the whole is divided into. The
top number is the numerator, which represents how many parts of the
whole are being considered. For example, in the fraction 3/4, 4 is the
denominator, representing the total number of equal parts the whole is
divided into, and 3 is the numerator, indicating how many parts are being
considered. Therefore, the correct answer is b. Denominator.
Question:
Write out 2/5 longhand.
a. Two fifths
b. Two fifths of a whole
c. Two divided by five
d. Two out of five
Answer:
a. Two fifths
Rationale:
The fraction 2/5 is read as "two fifths," which means 2 parts out of a total of 5
equal parts. The longhand version of this fraction is simply written as "two
fifths."
Question:
Write out 5/2 longhand.