Test Bank For Henkes Med Math Dosage Calculation,
Preparation, and Administration, 9th Edition (Buchholz, 2020),
Chapter 1-10 | 9781975106522 | All Chapters with Answers
and Rationals
Improper Fraction - ANSWER: the numerator is larger than the denominator
Mixed number - ANSWER: Whole number plus a fraction
complex/common fractions - ANSWER: both the numerator and denominator are already fractions
dividend, devisor, and quotient - ANSWER: 1) dividend - the number that is being divided (numerator)
2) divisor - the number that is doing the dividing (denominator)
3) quotient - the answer
What system are most medication orders written in? - ANSWER: The metric system, which uses
decimals
What does rounding decimals depend on in a healthcare setting? - ANSWER: the way the drug is
dispensed and the equipment needed to administer the drug
What are the 3 ways to convert decimals into percentages? - ANSWER: 1) move the decimal point 2
places to the left
2) keep the decimal, place it over 100, and divide
3) turn the decimal into a complex fraction (over 100)
How do you convert fractions that are percents into fractions? - ANSWER: place the fraction (that is
part of the percentage) over 100 (turn into a complex fraction)
How do you convert fractions into percentages? - ANSWER: if the denominator is not 100, you must
convert the fraction so that it has a denominator of 100
How do you convert ratios into percentages? - ANSWER: 1) if the second number in the ratio is 100,
write the first number as the percent
2) if the second number in the ratio is not 100, you must convert the ratio using 100 as the
denominator
Give a brief explanation of fractions, ratios and proportions - ANSWER: 1) fractions - show how the
part relates to the whole
2) ratios - indicate a relationship between 2 numbers
3) proportions - indicate a relationship between two ratios or two fractions
How do you write ratios in fraction form? - ANSWER: example:
5:30 :: 6:36 is the same as 5/30 = 6/36
How do you solve proportions with an unknown value? - ANSWER: 1) cross multiply the numerators
and denominators
2) clear x by dividing both sides of the equation by the number that precedes x
3) reduce the number
How do you solve when the amount of drug prescribed differs from the supply? - ANSWER: you can
solve the dosage problem with a proportion, using either 2 ratios or 2 fractions
, What are the few medication orders written in the apothecary notation rather than the metric
system? - ANSWER: -liquid measurements: dram, ounce, drop (gtt), and minim (m)
-solid measurements: grain (gr)
What are the 4 basic solid measures of the metric system? List the order of greatest value to smallest
- ANSWER: -Gram, milligram, microgram, and kilogram
Kg > g > mg > mcg
1 kg = how many grams? - ANSWER: 1000 g
1 g is how many mg? - ANSWER: 1000mg
1mg is how many mcg? - ANSWER: 1000mcg
What are the 3 common liquid measures in the metric system and their abbreviations? - ANSWER: 1)
Liter: L
2) Milliliter: mL
3) Cubic centimeter: cc
How is "cc" different than the 2 other liquid measures? - ANSWER: -this measure of volume is usually
used for gases but can also be used with liquids
-1cc is equal to approximately 16 drops from a medicine dropper
How many mL are in 1 cc? - ANSWER: -1 mL = 1cc
-mL and cc are interchangeable
How many mL are in 1 L? - ANSWER: 1000 mL
List the 6 common household measures and their respective abbreviations - ANSWER: 1) Teaspoon:
tsp
2) Tablespoon: tbsp
3) Ounce: oz (or fl oz = fluid ounce)
4) Pint: pt
5) Quart: qt
6) Pound: lb
how many mL are in 1 tsp? - ANSWER: 5 mL
how many mL are in 1 tbsp? - ANSWER: 15 mL
how many mL are in 1 oz (also known as a fluid oz)? - ANSWER: 30mL
How many cups are in 1 oz? - ANSWER: 8 cups
How many mL are in cup? - ANSWER: 240-250 mL
How many mL are in 1 pt? - ANSWER: 500 mL
How many mL are in 1 qt? How many L? - ANSWER: 1000mL or 1 L
How many qt are in a pt? - ANSWER: ½ qt ~ 1 pt
How many lbs are in 1 kg? - ANSWER: 2.2 lbs
How many oz are in 1 lb? - ANSWER: 16 oz
How many cm are in 1 inch? - ANSWER: 2.54 cm
Preparation, and Administration, 9th Edition (Buchholz, 2020),
Chapter 1-10 | 9781975106522 | All Chapters with Answers
and Rationals
Improper Fraction - ANSWER: the numerator is larger than the denominator
Mixed number - ANSWER: Whole number plus a fraction
complex/common fractions - ANSWER: both the numerator and denominator are already fractions
dividend, devisor, and quotient - ANSWER: 1) dividend - the number that is being divided (numerator)
2) divisor - the number that is doing the dividing (denominator)
3) quotient - the answer
What system are most medication orders written in? - ANSWER: The metric system, which uses
decimals
What does rounding decimals depend on in a healthcare setting? - ANSWER: the way the drug is
dispensed and the equipment needed to administer the drug
What are the 3 ways to convert decimals into percentages? - ANSWER: 1) move the decimal point 2
places to the left
2) keep the decimal, place it over 100, and divide
3) turn the decimal into a complex fraction (over 100)
How do you convert fractions that are percents into fractions? - ANSWER: place the fraction (that is
part of the percentage) over 100 (turn into a complex fraction)
How do you convert fractions into percentages? - ANSWER: if the denominator is not 100, you must
convert the fraction so that it has a denominator of 100
How do you convert ratios into percentages? - ANSWER: 1) if the second number in the ratio is 100,
write the first number as the percent
2) if the second number in the ratio is not 100, you must convert the ratio using 100 as the
denominator
Give a brief explanation of fractions, ratios and proportions - ANSWER: 1) fractions - show how the
part relates to the whole
2) ratios - indicate a relationship between 2 numbers
3) proportions - indicate a relationship between two ratios or two fractions
How do you write ratios in fraction form? - ANSWER: example:
5:30 :: 6:36 is the same as 5/30 = 6/36
How do you solve proportions with an unknown value? - ANSWER: 1) cross multiply the numerators
and denominators
2) clear x by dividing both sides of the equation by the number that precedes x
3) reduce the number
How do you solve when the amount of drug prescribed differs from the supply? - ANSWER: you can
solve the dosage problem with a proportion, using either 2 ratios or 2 fractions
, What are the few medication orders written in the apothecary notation rather than the metric
system? - ANSWER: -liquid measurements: dram, ounce, drop (gtt), and minim (m)
-solid measurements: grain (gr)
What are the 4 basic solid measures of the metric system? List the order of greatest value to smallest
- ANSWER: -Gram, milligram, microgram, and kilogram
Kg > g > mg > mcg
1 kg = how many grams? - ANSWER: 1000 g
1 g is how many mg? - ANSWER: 1000mg
1mg is how many mcg? - ANSWER: 1000mcg
What are the 3 common liquid measures in the metric system and their abbreviations? - ANSWER: 1)
Liter: L
2) Milliliter: mL
3) Cubic centimeter: cc
How is "cc" different than the 2 other liquid measures? - ANSWER: -this measure of volume is usually
used for gases but can also be used with liquids
-1cc is equal to approximately 16 drops from a medicine dropper
How many mL are in 1 cc? - ANSWER: -1 mL = 1cc
-mL and cc are interchangeable
How many mL are in 1 L? - ANSWER: 1000 mL
List the 6 common household measures and their respective abbreviations - ANSWER: 1) Teaspoon:
tsp
2) Tablespoon: tbsp
3) Ounce: oz (or fl oz = fluid ounce)
4) Pint: pt
5) Quart: qt
6) Pound: lb
how many mL are in 1 tsp? - ANSWER: 5 mL
how many mL are in 1 tbsp? - ANSWER: 15 mL
how many mL are in 1 oz (also known as a fluid oz)? - ANSWER: 30mL
How many cups are in 1 oz? - ANSWER: 8 cups
How many mL are in cup? - ANSWER: 240-250 mL
How many mL are in 1 pt? - ANSWER: 500 mL
How many mL are in 1 qt? How many L? - ANSWER: 1000mL or 1 L
How many qt are in a pt? - ANSWER: ½ qt ~ 1 pt
How many lbs are in 1 kg? - ANSWER: 2.2 lbs
How many oz are in 1 lb? - ANSWER: 16 oz
How many cm are in 1 inch? - ANSWER: 2.54 cm
