Deck 3: Mathematics Review and Introduction to Dosage Calculation

Question 1

Which fraction represents the largest part of a whole?

A) 2/16
B) 4/16
C) 8/16
D) 12/16

Answer 1

12/16

Question 2

What is the lowest common denominator for the fraction series of 10/15,9/27,10/30,34/51?

A) 3
B) 5
C) 6
D) 10

Answer 2

3

Question 3

Which fraction is expressed as its lowest common denominator?

A)
B)
C)
D)

Answer 3

Question 4

Which number is expressed as a proper fraction?

A)
B)
C)
D)

Question 5

Which fraction represents the whole number 10?

A)
B)
C)
D)

Question 6

What does the "N" indicate in the PINCH high alert drugs?

A) Narcotics
B) Niacin
C) Naphthalene
D) Neurotransmitter

Question 7

What specific safety technique is always used when calculating an insulin dose?

A) Use a calculator and never calculate the dose by hand.
B) Calculate the dose by hand and never use a calculator.
C) Have another health care professional check the dose.
D) Wear sterile gloves to administer the calculated dose.

Question 8

Which term is used to describe the bottom number of a fraction?

A) Denominator
B) Subtractor
C) Numerator
D) Dividend

Question 9

What is the most important consideration when using a calculator for drug dosages?

A) Always check the answers with a pharmacist.
B) Ensure the numbers are entered in the correct order.
C) Work the problem by hand and then check all work using the computer.
D) Calculate the answer with the computer and then check the answer by working the problem by hand.

Question 10

Which dosage expression should be avoided?

A) 0.25 mg
B) 2.5 mg
C) 2.500 mg
D) 25 mg

Question 11

In the equation 2X = ,which element is the numerator?

A) 2
B) 4
C) 6
D) X

Question 12

Which fraction accurately represents the mixed number 6 5/8?

A)
B)
C)
D)

Question 13

Which statement about the relationship between fractions and decimals is true?

A) A fraction can be expressed as a decimal but a decimal cannot be expressed as a fraction.
B) A decimal can be expressed as a fraction but a fraction cannot be expressed as a decimal.
C) All fractions can be expressed as decimals and all decimals can be expressed as fractions.
D) Fractions can only be expressed as decimals if they are proper fractions.

Question 14

What is the best definition of a fraction?

A) Part of a whole number obtained by dividing one number by a larger number.
B) The answer obtained when one number divided another number is always an even number.
C) The smallest unit or part of a number that can be obtained by dividing one number by itself.
D) The dividing point between whole numbers and parts of numbers in a system based on units of ten.

Question 15

Which fraction represents the largest part of a whole number?

A)
B)
C)
D)

Question 16

The term "percent" is related to which number?

A) 5
B) 10
C) 50
D) 100

Question 17

Which fraction represents 0.6?

A)
B)
C)
D)

Question 18

What is the correct response when , ,and are added together and then reduced to the lowest terms?

A)
B)
C)
D)

Question 19

What is the first step in dividing two fractions?

A) Ensuring both numbers are proper fractions
B) Converting the numerators into their lowest common number
C) Converting the denominators into their lowest common number
D) Inverting the second fraction and multiplying the numerators separately from the denominators

Question 20

Which statement about an improper fraction is true?

A) It is always greater than 1.
B) It has no lowest common denominator.
C) It cannot be multiplied or divided by another fraction.
D) It can only be multiplied or divided by a whole number.

Question 21

A pediatric patient is prescribed 20 mg of acetaminophen (Tylenol).The drug on hand is acetaminophen .How many milliliters is the correct dose?
_____ mL

Question 22

Which fraction represents a whole number?

A) 4/20
B) 5/20
C) 10/20
D) 20/20

Question 23

Which fraction is improper?

A) 20/15
B) 15/15
C) 10/15
D) 5/15

Question 24

What is the correct answer (without rounding)to multiplying 19.06 by 13.22?

A) 197.6231
B) 251.9732
C) 309.5522
D) 322.8121

Question 25

What amount represents the best rounding of 7.68 mL?

A) 5 mL
B) 7.6 mL
C) 7.7 mL
D) 10 mL

Question 26

A patient is prescribed 160 mg of acetaminophen (Tylenol).The drug on hand is acetaminophen .How many milliliters is the correct dose?
_____ mL

Question 27

An infant is prescribed 50 mg of amoxicillin (Amoxil).The drug on hand is amoxicillin .How many milliliters is the correct dose?
_____ mL

Question 28

A patient is prescribed 0.0625 mg of digoxin (Lanoxin).The drug on hand is digoxin 0.05 mg/mL.How many milliliters is the correct dose?
_____ mL

Question 29

A patient is prescribed aspirin 650 mg orally.The aspirin form on hand is 325 mg/tablet.How many tablets is the correct dose?
_____ tablet(s)

Question 30

A patient is prescribed 4 mg of morphine IV.The drug on hand is morphine 10 mg in a 1 mL syringe.How many milliliters is the correct dose?
_____ mL

Question 31

A patient is prescribed 750 mg of amoxicillin (Amoxil).The drug on hand is amoxicillin .How many milliliters is the correct dose?
_____ mL

Question 32

What is the correct answer to adding the following three decimals: 5.82,19.06,and 27.33?

A) 46.39
B) 51.21
C) 52.21
D) 104.39

Question 33

A pediatric patient is prescribed 0.004 mg of digoxin (Lanoxin)orally as a one-time dose now.The drug on hand is digoxin 0.05 mg/mL.How many drops is the correct dose?
_____ gtt

Question 34

A patient is prescribed 2000 units of heparin subcutaneously.The drug on hand is heparin 5000 units/mL.How many milliliters is the correct dose?
_____ mL

Question 35

Which fraction represents the largest part of a whole?

A) 1/3
B) 1/5
C) 1/10
D) 1/20

Question 36

Which fraction is reduced to its lowest common denominator?

A) 3/17
B) 4/8
C) 2/20
D) 5/15

Question 37

What is 12% of 60?

A) 5
B) 7.2
C) 10.6
D) 12.8

Question 38

Which number expressed 7/8 as a decimal?

A) 0.78
B) 0.875
C) 1.14
D) 2.288

Question 39

A patient is prescribed 25 mg of meperidine (Demerol)IV.The drug on hand is meperidine 100 mg/mL.How many milliliters is the correct dose?
_____ mL

Question 40

Which decimal represents the smallest part of a whole?

A) 0.2
B) 0.15
C) 0.085
D) 0.85