Deck 5: Mathematics Review and Introduction to Dosage Calculation

Question 1

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

Answer 1

2 tablets
Want 650 mg/Have 325 mg; = 2.

Question 2

Which fraction is expressed as its lowest common denominator?

A)
B)
C)
D)

Answer 2

Question 3

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

A)
B)
C)
D)

Answer 3

Question 4

Which number is expressed as a proper fraction?

A)
B)
C)
D)

Question 5

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

Question 6

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

Question 7

Which fraction represents 0.6?

A)
B)
C)
D)

Question 8

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 does the nurse administer?
_____ mL

Question 9

What is the correct response when , ,and 2 are added together and then reduced to the lowest terms?

A) 2
B) 2
C) 3
D) 3

Question 10

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 11

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 does the nurse administer?
_____ gtt

Question 12

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

Question 13

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

Question 14

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

Question 15

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 16

Which fraction represents the whole number 10?

A)
B)
C)
D)

Question 17

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

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

Question 18

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 19

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

Question 20

Which fraction represents the largest part of a whole number?

A)
B)
C)
D)

Question 21

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

Question 22

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