Deck 3: Measurement and Dosage Calculations

Question 1

Which term describes a way of expressing an amount that is part of a whole?

A) Roman numeral
B) Numerator
C) Fraction
D) Centimeter

Answer 1

Fraction

Question 2

Which is an example of a proper fraction?

A) 2/3
B) 3/2
C) 1 2/3
D) 1.33

Answer 2

2/3

Question 3

Which is the metric equivalent of the fraction 1/4?

A) 0.10
B) 0.25
C) 0.50
D) 0.75

Answer 3

0.25

Question 4

When working with metric numbers, fractions are expressed as:

A) improper fractions.
B) decimals.
C) whole numbers.
D) minims.

Question 5

Which statement describes how to reduce a fraction?

A) Divide the numerator by the denominator.
B) Divide the denominator by the numerator.
C) Divide both the numerator and the denominator by the largest number that will go into them evenly.
D) Divide both the numerator and the denominator by the smallest number that will go into them evenly.

Question 6

Which is an example of an improper fraction?

A) 4/5
B) 5/4
C) 1 1/5
D) 1.75

Question 7

Which describe how to change a common fraction to a decimal fraction?

A) Divide the denominator by the numerator.
B) Divide the numerator by the denominator.
C) Divide the whole number 1 by the numerator.
D) Divide the whole number 1 by the denominator.

Question 8

Which are the basic units of metric measurement?

A) Minim, fluidram, fluid ounce
B) Pint, quart, gallon
C) Meter, liter, gram
D) Fahrenheit, Celsius, Kelvin

Question 9

Which statement describes how to cancel fractions?

A) Divide the denominator of one fraction and the numerator of the opposite fraction by the same number.
B) Divide the denominator and numerator of the same fraction with the same number.
C) Divide the denominator and numerator of the opposite fraction by the same number.
D) Divide the numerator by the denominator of both fractions.

Question 10

Which term describes the different amounts of a drug that can produce therapeutic effects?

A) Maintenance range
B) Therapeutic range
C) Dosage range
D) Administration range

Question 11

In the fraction 3/5, the number 5 is the:

A) numerator.
B) denominator.
C) base.
D) sum.

Question 12

Which statement describes how to multiply fractions?

A) Multiply numerator by numerator and denominator by denominator.
B) Multiply numerator by denominator and denominator by numerator.
C) Multiply numerator by denominator and numerator by denominator.
D) Multiply denominator by numerator and numerator by denominator.

Question 13

Which term describes the number of parts you are taking of the whole?

A) Denominator
B) Numerator
C) Sum
D) Fraction

Question 14

Which is an example of a mixed number?

A) 3/4
B) 4/3
C) 1 1/2
D) 1.5

Question 15

Which statement describes how to multiply a fraction by a whole number?

A) Multiply the whole number by the denominator of the fraction.
B) Multiply the whole number by the numerator of the fraction.
C) First change an improper fraction to a mixed number, and then multiply by the denominator.
D) First change a mixed number to an improper fraction, and then multiply by the numerator.

Question 16

Which statement describes how to divide fractions?

A) Put the numerator on the bottom, the denominator on top, then multiply the two fractions.
B) Divide the denominator by the numerator, then multiply the two fractions.
C) Divide the numerator by the denominator, then multiply the two fractions.
D) Invert both fractions and then multiply them.

Question 17

Which system of measurement is based on units of 10?

A) Apothecary system
B) Household system
C) Metric system
D) International unit system

Question 18

When doing calculations, mixed numbers must be changed to:

A) proper fractions.
B) improper fractions.
C) lowest terms.
D) whole digits.

Question 19

Which term means to change from one unit or system of measurement to another?

A) Reduce
B) Simplify
C) Convert
D) Cancel

Question 20

Which is the correct answer to the following multiplication problem: 1.5 * 0.35?

A) 0.525
B) 5.25
C) 52.5
D) 525

Question 21

Which equation describes how to convert milligrams to grams?

A) mg / 1000 g
B) mg *1000 g
C) 1000 g/mg
D) 1000 mg/g

Question 22

When using a nomogram, a straight line is drawn from which of the following to find a child's BSA?

A) BMI, height
B) Age, weight
C) Height, weight
D) Growth percentile, height

Question 23

In the metric system, which units of volume is most often used in preparing liquid medication?

A) Liter
B) Milliliter
C) Gram
D) Kilogram

Question 24

Which is a graphic device showing the relationship between numerical values designed to estimate the body surface of a child according to height and weight?

A) Nomogram
B) BSA graph
C) Drug dose grid
D) Pediatric weight graph

Question 25

How many kilograms (kg) are equivalent to 1 pound (lb)?

A) 1 kg
B) 1.2 kg
C) 2.1 kg
D) 2.2 kg

Question 26

Which is the correct equation for converting a Celsius temperature to the Fahrenheit scale?

A) ºF = 1.8ºC + 32
B) ºF = 32ºC + 1.8
C) ºF = 1.8ºC - 32
D) ºF = 32ºC - 1.8

Question 27

Which statement is correct when converting pounds to kilograms?

A) Round the pound weight to one decimal place.
B) Round the pound weight to two decimal places.
C) Round the kilogram weight to one decimal place.
D) Round the kilogram weight to two decimal places.

Question 28

Which unit is used to calculate body surface area (BSA)?

A) Centimeters squared
B) Kilograms squared
C) Meters squared
D) Pounds squared

Question 29

Which are used to record fractions of metric doses?

A) Proper fractions
B) Common fractions
C) Decimal fractions
D) Improper fractions

Question 30

Which is the correct way to calculate medication doses?

A) Round medications to the tenth place.
B) Round medications to the hundredth place.
C) Round medications to the thousandth place.
D) Never round medication calculations.

Question 31

Which is the metric equivalent of 1 teaspoon (tsp or t)?

A) 1 mL
B) 4-5 mL
C) 15 mL
D) 30 mL

Question 32

Which factors is NOT a reason that pediatric doses of medication are different from doses prescribed for adults?

A) Infants have a larger percentage of water in the body.
B) Children metabolize drugs faster.
C) Infants and children have immature physiological responses to absorption, distribution, metabolism, and excretion.
D) Infants have an underdeveloped immune system.

Question 33

Which describes a correct practice to follow when doing medication conversions?

A) Convert the smaller unit to the larger unit.
B) Convert the smaller unit to an improper fraction.
C) Convert the larger unit to the smaller unit.
D) Convert the larger unit to an improper fraction.

Question 34

Which describes the proper way to round numbers?

A) If the last number is less than 5, round down.
B) If the last number is more than 5, round down.
C) If the last number is less than 5, round up.
D) If the last number is the same as 5, don't round.

Question 35

Which is a method used to calculate pediatric doses of medication?

A) Age
B) Gender
C) Body weight
D) Height

Question 36

Which is the correct metric weight for a person who weighs 165 lb?

A) 1650 kg
B) 16.5 kg
C) 75 kg
D) 750 kg

Question 37

Which terms describes a tablet that is bisected by a groove to allow for breakage into halves?

A) Bisected
B) Scored
C) Grooved
D) Indented

Question 38

Which age ranges still falls under pediatric dose guidelines?

A) 10-18 years of age
B) 13-18 years of age
C) 15-18 years of age
D) 16-18 years of age

Question 39

Which describes how to document a number less than 1?

A) Place a zero after the last digit.
B) Place a zero before the first digit.
C) Place a zero before the decimal point.
D) Place a zero after the decimal point.

Question 40

Which statement describes how to convert grams (g) to milligrams (mg)?

A) Move the decimal point three spaces to the left.
B) Move the decimal point three spaces to the right.
C) Move the decimal point two spaces to the left.
D) Move the decimal point two spaces to the right.

Question 41

Which term describes a system of measurement in which the basic units are the fluid ounce (fl oz) and ounce (oz)?

A) Household
B) Metric
C) Apothecary
D) International

Question 42

Which term describes the calibration of IV tubing?

A) IV factor
B) Drop factor
C) Drip factor
D) Rate factor

Question 43

Which term describes these numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9?

A) Roman numerals
B) Proper numerals
C) Common numerals
D) Arabic numerals

Question 44

Which is the basic unit of volume in the metric system?

A) Liter
B) Meter
C) Gram
D) Minim

Question 45

When converting among measurement systems a(n) _______________________ error usually occurs in making the conversion.

Question 46

A child who is 20 kg would weigh how many pounds?

A) 9 lb
B) 18 lb
C) 44 lb
D) 200 lb

Question 47

Which is the boiling point of water on the Celsius temperature scale?

A) 0ºC
B) 100ºC
C) 32ºC
D) 212ºC

Question 48

Which metric units is 1/100^th of a meter?

A) Centimeter
B) Kilometer
C) Millimeter
D) Decimeter

Question 49

Complete the following: Metric system: The basic unit of length is the _________________ which is abbreviated _____. The basic unit of volume is the ___________ which is abbreviated _______. The basic unit of weight is the ___________ which is abbreviated _______.

Question 50

A math problem answer must always be labeled with the appropriate ________________________.

Question 51

Which unit is used to express the drop factor?

A) mL per minute
B) gtt per mL
C) mg per mL
D) minim per mL

Question 52

Drops, teaspoons, and tablespoons are examples of units used in which measurement system?

A) Household
B) Metric
C) Apothecary
D) Celsius

Question 53

All numbers less than 1 must be documented with a(n) ________________ before the decimal point.

Question 54

Which is the average normal body temperature range on the Celsius scale?

A) 34-36ºC
B) 36-38ºC
C) 35-37ºC
D) 39-39ºC

Question 55

Which is the temperature scale at which water freezes at 32º?

A) Fahrenheit
B) Celsius
C) Kelvin
D) Absolute

Question 56

Which describes where the drop factor would be found when administering IV fluids?

A) On the package insert for the medication
B) In a PDR
C) On the package containing the tubing
D) On the physician's order sheet

Question 57

Why should a healthcare worker in a doctor's office encourage a patient to obtain accurate measuring utensils from a pharmacy?

A) Household utensils vary in size.
B) Pharmacy supplies are reimbursed by healthcare insurance plans.
C) Pharmacy supplies use standard abbreviations.
D) Household supplies are not sterile.

Question 58

Which is the basic unit of length in the metric system?

A) Mile
B) Foot
C) Inch
D) Meter

Question 59

Which is the freezing point of water on the Fahrenheit temperature scale?

A) 0ºF
B) 100ºF
C) 32ºF
D) 212ºF

Question 60

Which is the basic unit of weight in the apothecary system?

A) Gram
B) Ounce
C) Grain
D) Minim

Question 61

Complete the following as it applies to medication administration: Household system: The basic unit of weight (dry) is the _________ which is abbreviated _____. The basic unit of weight (liquid) is the _______ which is abbreviated _____.

Question 62

Complete the following: Apothecary system: The basic unit of volume is the _________ which is abbreviated _______. The basic unit of weight is the _________ which is abbreviated ______.

Question 63

When converting grams to milligrams, __________________ the number of grams by _________________.

Question 64

All numbers less than 1 must be documented with a(n) ___________ before the decimal point.

Question 65

One pound is equivalent to ______________ kg.

Question 66

The physician orders 50 mg of a drug to be given orally bid. The available dose of the drug is 100-mg tablets. How many tablets do you administer for each dose?

Question 67

Calculation guidelines say to round medication calculations to the _______________ place.

Question 68

To convert a Celsius temperature to the Fahrenheit scale, multiply the Celsius temperature by _______________ and then add _____________.

Question 69

When a tablet is _____________, you can break it into two halves.

Question 70

Because the bodies of infants and children are constantly changing, special care must be taken to prevent __________________ and _________________ reactions.

Question 71

When converting a Fahrenheit temperature to the Celsius scale, subtract ________ from the Fahrenheit temperature and then divide that number by __________.

Question 72

When converting milligrams to grams, __________________ the number of milligrams by ____________.

Question 73

The Fahrenheit temperature scale defines _______________ as the freezing point of water and ________________ as the boiling point of water.

Question 74

The Celsius temperature scale defines _________________ as the freezing point of water and ________________ as the boiling point of water.

Question 75

A standard-sized teaspoon used for medication administration will hold ______________ mL.

Question 76

Infants less than 1 year of age have a lower percentage of ______________ in their body than children of a larger body size and may necessitate a(n) ________________ dose of some drugs because they have a(n) _____________ ability to absorb water-soluble drugs.

Question 77

When administering medications to pediatric patients, you must first determine if a medication dose is within the ______________________.

Question 78

To administer an IV solution to your patient you will need to know the total _____________ of the IV fluid, the length of ____________________ over which it is to be given, the calibration of the _______________, and the ____________________.

Question 79

One teaspoon equals ___________ mL.

Question 80

Pediatric dosages of drugs are based on children's unique characteristics and constantly changing small bodies. Because of these facts you must consider body __________________, _________________, __________________, ________________, and the general _______________________ of the child.