Deck 52: Dosage Calculation

Question 1

Which of the following refers to the amount of space a drug occupies?

A) Weight
B) Diluent
C) Route
D) Volume
E) Solvent

Answer 1

Volume

Question 2

The metric equivalent of 0.001 gram is ____.

A) 1 centigram
B) 1 decigram
C) 0.001 kilogram
D) 1 microgram
E) 1 milligram

Answer 2

1 milligram

Question 3

Which of the following is a comparison of an apothecary measurement and its equivalent within the apothecary system?

A) 60 gtt = 1 tsp
B) 2 c = 1 pt
C) 1 fl oz = 8 fl dr
D) 1 L = 1000 mL
E) 8 oz = 1 c

Answer 3

1 fl oz = 8 fl dr

Question 4

Mr. Clark is receiving chemotherapy for lung cancer, and the chemotherapeutic agent is causing severe nausea and vomiting. The physician has ordered 5mg Compazine IM. You have Compazine in a 10 mL multidose vial that provides the drug as 5 mg/mL. How many mL of Compazine will you administer to Mr. Clark?

A) 0.5 mL
B) 1 mL
C) 1.5 mL
D) 2 mL
E) 2.5 mL

Question 5

What is the apothecary equivalent of 8 fl dr?

A) 1 pt
B) 1 gal
C) 1 qt
D) 1 fl oz
E) 1 tbsp

Question 6

Which of the following is the metric equivalent to 0.001 liter?

A) 1 kiloliter (kL)
B) 1 liter (L)
C) 1 milliliter (mL)
D) 1 centiliter (cL)
E) 1 microliter (mcL)

Question 7

How many capsules will you give if the physician orders 500 mg of ampicillin, and each capsule contains 250 mg?

A) 1/2 cap
B) 1 cap
C) 2 caps
D) 3 caps
E) 4 caps

Question 8

How many capsules will you give if the doctor orders 30 mg of Adalat, and each capsule contains 10 mg?

A) 1 capsule
B) 2 capsules
C) 3 capsules
D) 4 capsules
E) 6 capsules

Question 9

Rosie is a 3-year-old child who has a confirmed bacterial pneumonia caused by Streptococcus pneumoniae. The physician orders Zinacef 50 mg/kg/day IM q6h. Rosie weighs 30 lb. How many milligrams of the medication will Rosie receive in one dose?

A) 85 mg
B) 170 mg
C) 250 mg
D) 350 mg
E) 680 mg

Question 10

Which of the following is the apothecary equivalent to 30 mL?

A) 1 fluid dram
B) 1 liter
C) 1 pint
D) 1 fluid ounce
E) 1 tablespoon

Question 11

Which of the following is an equivalent measure between the metric system and apothecary system?

A) 4 qt. = 1 gal
B) 16 fl oz = 1 pt
C) 1 tsp = 5 mL
D) 60 gr = 1 dr
E) 30 mL = 1 fl oz

Question 12

The basic unit to measure weight in the metric system is the ____.

A) gram
B) grain
C) ounce
D) pound
E) dram

Question 13

Which of the following is the metric equivalent of 1 g?

A) 100 mcg
B) 1000 mg
C) (³/₄ gr)
D) 1 gr
E) 2.2 lbs

Question 14

The metric equivalent of 1 liter is ____.

A) 1 milliliter
B) 1 centiliter
C) 1 deciliter
D) 1000 milliliters
E) 0.001 milliliter

Question 15

Which of the following is the basic unit to measure volume in the metric system?

A) Dram
B) Liter
C) Milliliter
D) Gallon
E) Ounce

Question 16

What is the metric equivalent of 1000 mL?

A) 1 liter.
B) 1 pint.
C) 1 fluid ounce.
D) 1 fluid dram.
E) 1 gallon.

Question 17

How many tablets will you give if the physician orders 120 mg of thyroid and each tablet contains 30 mg?

A) 1 tab
B) 2 tabs
C) 3 tabs
D) 4 tabs
E) 5 tabs

Question 18

In the household measurement system, 8 oz is equivalent to ____.

A) 1 pt
B) 1 qt
C) 1 tbsp
D) 1 tsp
E) 1 c

Question 19

Which of the following is the apothecary equivalent to 30 mL in the metric system?

A) 1 pint
B) 1 fluid ounce
C) 1 quart
D) 1 cup
E) 1 gallon

Question 20

Which of the following is a correct equivalent within the household system?

A) 60 drops = 1 teaspoon
B) 30 milliliters = 1 fluid ounce
C) 4 quarts = 1 gallon
D) 1 milliliter = .001 liter
E) 8 drams = 1 ounce

Question 21

Bella weighs 110 lb. How many kilograms does she weigh?

A) 25 kg
B) 36 kg
C) 50 kg
D) 250 kg
E) 500 kg

Question 22

Convert 8.09 L to milliliters.

A) 8.090 mL
B) 80.90 mL
C) 809 mL
D) 8090 mL
E) 80900 mL

Question 23

The abbreviation for drop is ____.

A) dr
B) dp
C) drp
D) gt
E) gtt

Question 24

A patient drank 1 cup of coffee, 1/2 cup of juice, and three 8-oz glasses of water. What is the metric equivalent, in liters, of the total amount of fluids the patient drank?

A) 10.8 L
B) 1.08 L
C) 0.08 L
D) 108 L
E) 0.18 L

Question 25

The abbreviation for tablespoon is ____.

A) tbs
B) tsb
C) tpbs
D) tspd
E) tbsp

Question 26

Equivalent measures for 8 fl oz are ____.

A) 300 mL and 1 pt
B) 1 c and 240 mL
C) 1 pt and 420 mL
D) 8 dr and 1 c
E) 3 tbsp and 60 gtt

Question 27

To convert from kilograms to grams, move the decimal point ____.

A) 2 places to the left
B) 3 places to the left
C) 2 places to the right
D) 3 places to the right
E) 4 places to the right

Question 28

The physician ordered 45 mL of a medication. How many tablespoons of the medication should be given?

A) 5 tbsp
B) 3 tbsp
C) 4 tbsp
D) 3.5 tbsp
E) 2 tbsp

Question 29

An equivalent measure for 5 mL is ____.

A) 3 dr
B) 1 tbsp
C) 1 tsp
D) 2 gr
E) 0.05 L

Question 30

The physician has ordered 30 mg/kg/day for an 8-year-old child who weighs 55 pounds. The child should receive _____ of this medicine per dose.

A) 1 mL
B) 2 mL
C) 3 mL
D) 5 mL
E) 10 mL

Question 31

The patient received a pint of medication from the pharmacy. This is equivalent to ____.

A) 1 cup
B) 8 fluid ounces
C) 1 1/2 cups
D) 16 fluid ounces
E) 1/2 cup

Question 32

Mrs. Eckstein is in the office because her rheumatoid arthritis has been flaring up lately and she is in considerable pain. The physician asks you to administer a 20 mg IM injection of Depo-Medrol. The available medication is a 5 mL multidose vial that provides 40 mg/ mL. How much will you inject?

A) 0.25 mL
B) 0.5 mL
C) 1 mL
D) 1.5 mL
E) 2 mL

Question 33

When a meter is divided by 100, the result is ____.

A) 1000 millimeters
B) 100 micrometers
C) 1 kilometer
D) 1 centimeters
E) 100 millimeters

Question 34

If the basic metric unit is divided by _____, the resulting unit prefix is micro-.

A) 1 million
B) 100,000
C) 10,000
D) 1000
E) 100

Question 35

The physician has ordered 500 mg of amoxicillin three times daily for a 25-year-old woman. How much of the medication should the woman take at each dose?

A) 1 tsp
B) 1 1/2 tsp
C) 2 tsp
D) 2 1/2 tsp
E) 1 tbsp

Question 36

Sam has a prescription for a medication that says to take 3 fl oz. He has a measuring spoon set and will use the tablespoon measure. How many tablespoons of medication will he need to take the prescribed dose?

A) 2 tablespoons
B) 3 tablespoons
C) 4 tablespoons
D) 5 tablespoons
E) 6 tablespoons

Question 37

Convert 45880 mL to liters.

A) 0.4588 L
B) 4.588 L
C) 45.88 L
D) 458.8 L
E) 4588 L

Question 38

How much amoxicillin is in each 1 mL of this medicine?

A) 10 mg
B) 25 mg
C) 50 mg
D) 100 mg
E) 250 mg

Question 39

32 ounces equals ____.

A) 6 pints
B) 2 cups
C) 2 quarts
D) 16 tablespoons
E) 2 pounds

Question 40

Convert 78450 mg to grams.

A) 0.007845 g
B) 0.7845 g
C) 7.845 g
D) 78.45 g
E) 784.5 g

Question 41

The doctor ordered 0.5 g of ampicillin. Dosage available is 250 mg capsules. You will give ________ capsules.

Question 42

The amount of space a drug occupies is its ________.

Question 43

Convert 10 oz to milliliters.

A) 50 mL
B) 120 mL
C) 225 mL
D) 280 mL
E) 300 mL

Question 44

The doctor ordered propranolol 1 mg/kg/day in four divided doses for a 9-year-old child weighing 70.4 pounds. Available is propranolol oral solution that provides 4 mg /mL. The child should receive ________ mL per dose.

Question 45

How much erythromycin is contained in each milliliter of the erythromycin ethylsuccinate according to the package label?

A) 20 mg
B) 40 mg
C) 50 mg
D) 100 mg
E) 200 mg

Question 46

The physician ordered 120 mg of a medication to be administered PO. The available medication contains only 30 mg per tablet. You will have to give the patient ________ tablets.

Question 47

The doctor orders 650 mg of acetaminophen, but the tablets available contain only 325 mg. You will give the patient ________ tablet(s).

Question 48

The doctor ordered 500 mg ampicillin suspension four times daily. The dosage available is 250 mg per 5 mL. The patient will take ________ mL per dose.

Question 49

The physician has ordered erythromycin 40 mg/kg/day po q6h for a child who weighs 33 pounds. Refer to the label shown in the figure. How much will you administer per dose?

A) 2.5 mL
B) 3.25 mL
C) 3.75 mL
D) 4.25 mL
E) 4.5 mL

Question 50

Convert 70 kg to pounds.

A) 31.8 lb
B) 85 lb
C) 144 lb
D) 154 lb
E) 224 lb

Question 51

The physician has ordered Depakene syrup 15 mg/kg/day divided into 2 doses per day for a child who weighs 33 lb. You have on hand Depakene syrup 250 mg/5 mL. How much Depakene will you administer per dose?

A) 1 mL
B) 2 mL
C) 2.5 mL
D) 3.5 mL
E) 5 mL

Question 52

The physician ordered gabapentin 2400 mg per day to be given every 6 hours. Dosage available is 600 mg tablets. The patient will take ________ tab(s) per dose.

Question 53

Taylor's mother is supposed to give him 2 tablespoons of a medication. She only has a teaspoon measure available. How many teaspoons should she give him?

A) 1.5 teaspoons
B) 2 teaspoons
C) 3 teaspoons
D) 4 teaspoons
E) 6 teaspoons

Question 54

How often should you check to see if the answers to your dosage calculations are reasonable?

A) The first time you perform a calculation for an unfamiliar medication
B) The first time you calculate a recurring dosage for a patient
C) Every time you perform a calculation for an unfamiliar patient
D) Every time you perform a calculation for an unfamiliar medication
E) Every time you perform a dosage calculation

Question 55

Convert 1560 mL to ounces.

A) 15 oz
B) 34 oz
C) 46 oz
D) 52 oz
E) 68 oz

Question 56

You are asked to give a patient Adalat 30 mg but have only 10 mg tablets on hand. You will need to give the patient ________ tablet(s).

Question 57

Body surface area (BSA) is stated in ____.

A) milliliters per kilogram
B) square meters
C) square pounds
D) kilograms per pound
E) square centimeters

Question 58

Convert 352 lb to kilograms.

A) 16 kg
B) 77.4 kg
C) 160 kg
D) 320 kg
E) 774 kg

Question 59

The doctor ordered 350 mg of a drug. You have 100 mg scored tablets. You will have to give ________ tablets for this dose.

Question 60

The physician ordered Ceclor 0.374 g PO bid. Dosage available is an oral suspension of 187 mg per 5 mL. You will give ________ mL per dose.

Question 61

The patient is supposed to take 5 mL of medication 4 times per day for 6 days. The pharmacist should dispense a total of ________ oz of medication to the patient.

Question 62

The set of scales used to determine body surface area is called a(n) ________.

Question 63

Carson's plan of care is to gain 2 lb each month for the next 4 months. He now weighs 40 kg. At the end of 4 months, Carson should weigh ________ pounds.

Question 64

The three systems of measurement used in the United States for pharmacology and drug administration are the metric, ________, and household systems.

Question 65

The method of dosage calculation in which you set up equivalent fractions and solve for the unknown amount is the ________ method.

Question 66

When very precise medication dosages are required, complex calculations or a nomogram are used to calculate the patient's ________.

Question 67

The doctor ordered enoxaparin 30 mg subcutaneously. Solution on hand is 300 mg/3 mL. You will administer ________ mL.

Question 68

Mrs. Adamson is to take 2 tablespoons of medication every 6 hours for 10 days. The pharmacy will have to dispense a total of ________ fluid ounces for this prescription.

Question 69

Max is to take 25 mL of a medication. However, he will be using a teaspoon at home. His dose will be ________ tsp.

Question 70

In the ________ method of dosage calculation, you use the basic equation D/H x Q to find the correct dose.

Question 71

Last year, the patient weighed 190 kg. Ten months after surgery, the patient has lost 176 lb. The patient now weighs ________ kg.

Question 72

The patient s ordered to take 3 tsp of medicine 3 times per day. The patient should take ________ mL per each dose of medication.

Question 73

The basic unit of ________ in the metric system is the liter.

Question 74

Whenever you perform a dosage calculation, you should think about your answer and determine if it is ________.

Question 75

The gram is the basic unit of ________ in the metric system.