Medication dosage calculations Flashcards
The unit of measure used for calculating mass in the metric system is:
A)
Gram.
B)
Ounce.
C)
Liter.
D)
Pound.
gram
Which of the following conversions is INCORRECT?
Question 2 options:
A)
1000 milligram = 1 kilogram
B)
1 kilogram = 100 gram
C)
1 milligram = 1000 kilogram
D)
1 gram = 1000 milligram
1 gram = 1000 milligram
You are preparing to administer a medication to a patient weighing approximately 220 pounds. Because the medication is dosed according to weight, you must convert the patient’s weight to kilograms which equals ________.
Question 3 options:
A)
100 kilograms
B)
2200 kilograms
C)
220 kilograms
D)
1000 kilograms
100 kilograms
The unit of measure used for calculating volume in the metric system is the ________.
Question 4 options:
A)
Liter
B)
Gram
C)
Milligram
D)
Ounce
Liter
You have selected a bag of 0.9% saline solution containing 1 liter of the solution. In order to utilize the solution more effectively, you are going to need to convert the solution to milliliters. You know that 1 liter = ________ milliliters.
Question 5 options:
A)
1
B)
10,000
C)
1000
D)
100
1000
In general, when abbreviating units of measure in the metric system, the provider should:
Question 6 options:
A)
Capitalize both letters only when using abbreviations.
B)
Use lower case letters unless it starts a sentence.
C)
Always capitalize the first letter when writing metric abbreviations.
D)
As a rule, you should never abbreviate in order to avoid confusion in a medication order or conversion.
use lower case letters in less it starts a sentence
When expressing metric dosages where the number is less than one (a decimal fraction), the health care provider should:
Question 7 options:
A)
Ensure that the decimal point is at the start of the equation and no numbers precede it to avoid confusion.
B)
Change the equation to a common fraction avoiding the use of a decimal.
C)
Convert the decimal to the next greater value to avoid having a number smaller than one.
D)
Ensure that a 0 precedes the decimal to draw attention to the decimal.
ensure that a 0 precedes the decimal to draw attention to the decimal
Which of the following components are necessary to calculate the ordered dose of a medication?
Question 8 options:
A)
The concentration or “what’s on hand”
B)
The unit of measurement that needs to be administered
C)
The doctor’s order, the concentration of medication on hand, and units to administer
D)
The amount of medication and the route of administration
the doctors order the concentration of medication on hand and units to administer
During the morning drug inventory of your unit, you notice that you have a solution of 10% calcium chloride available. Based on the commonly used weight/volume percentage, you know that this solution contains:
Question 9 options:
A)
10 milligrams/100 cc.
B)
10 grams/100 cc.
C)
10 grams/cc.
D)
100 grams/cc.
10g /100 cc
When referring to a concentration of a premixed solution, such as a vial, a prehospital provider is generally referring to:
Question 10 options:
A)
The total amount of volume on hand.
B)
The total amount of mass in the solution.
C)
The amount of milligrams or micrograms in one milliliter.
D)
The percentage of a concentration.
the amount of milligrams or micrograms in one milliliter
When receiving an order to administer a certain number of units of a medication per minute to a patient, the paramedic knows that this will be a/an:
Question 11 options:
A)
Injection.
B)
Subcutaneous injection.
C)
Bolus.
D)
Infusion.
infusion
When calculating an infusion dose, it is necessary for the paramedic to determine the ________.
Question 12 options:
A)
Total amount of medication that will be given
B)
Estimated size of the syringe
C)
Drops per minute
D)
Patient’s weight
drops per min
You have received an order for 25 grams of dextrose to be administered to a hypoglycemic patient. The solution for administration is supplied as a 50% solution. How much volume should you administer to the patient for the CORRECT dose to be given?
Question 13 options:
A)
50 mL
B)
25 mL
C)
100 mL
D)
250 mL
50 ml
You are ordered to give 2.0 mg of epinephrine 1:10,000 by the endotracheal route during cardiac arrest as the intravenous line has not yet been established. Epinephrine is supplied as 0.1 mg/mL. How many milliliters will you give?
Question 14 options:
A)
1 mL
B)
20 mL
C)
10 mL
D)
0.20 mL
20 ml
Following the administration of 6 mg of adenosine to treat supraventricular tachycardia, your patient continues to have the arrhythmia. Medical direction orders that you give the patient another dose, but asks that you double the initial dosage. Adenosine is supplied as 3 mg/mL. How many milliliters will you administer?
Question 15 options:
A)
4 mL
B)
40 mL
C)
6 mL
D)
0.6 mL
4 ml
You are treating a pediatric patient for bradycardia. The patient weighs approximately 10 kilograms. Protocol indicates that 0.01 mg/kg IV/IO should be given. What is the dose of epinephrine for this patient?
Question 16 options:
A)
10 ml
B)
0.1 mg
C)
1 mg
D)
1 mg/mL
0.1 mg
You are preparing a mixture of dopamine for a patient suffering from heart failure. You place 400 mg in 500 mL of dextrose 5% and water. What is the concentration of the solution?
Question 17 options:
A)
800 milligrams/mL
B)
800 micrograms/mL
C)
8 milligrams/mL
D)
80 micrograms/mL
800 micrograms/ mL
You are ordered to administer 2 mg/min of lidocaine to a patient who has received a bolus of lidocaine during cardiac arrest. You have prepared the lidocaine by placing 1 gram in 250 cc of D5W. You are utilizing a microdrip (60 gtts/mL) administration set. What is the correct drip rate?
Question 18 options:
A)
20 gtts/min
B)
40 gtts/min
C)
10 gtts/min
D)
30 gtts/min
30 gtts/min
You are treating a 220-pound male patient in cardiogenic shock. The physician has ordered that you administer 5 mcg/kg/min to this patient. You prepare the infusion by placing 200 mg of dopamine into 250 mL of D5W. Using a microdrip (60 gtts/mL) administration set, what will you set the rate of infusion at (gtts/min)?
Question 19 options:
A)
0.300 gtts/min
B)
300 gtts/min
C)
38 gtts/min
D)
3 gtts/min
38 gtts/min
You are ordered to give 250 ml of 0.9% normal saline to a patient over 20 minutes. You are using a macroinfusion set (10 gtts/ml). What will you set your drip rate at?
A)
150 gtts/min
B)
125 gtts/min
C)
50 gtts/min
D)
100 gtts/min
100 gtts/min
