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Medication Dosage Calculations Quiz

#1

Which formula is used to calculate medication dosage?

Dosage = Volume × Concentration
Explanation

Multiplication of volume and concentration.

#2

A patient is prescribed 500 mg of medication. If the medication comes in 250 mg tablets, how many tablets should the patient take?

2 tablets
Explanation

Simple division of prescribed dose by tablet strength.

#3

Which of the following is NOT a common route for medication administration?

Subcutaneous
Explanation

Identifying a non-typical method of administration.

#4

Which of the following is NOT a common unit of measurement for medication dosage?

Kilograms
Explanation

Identifying a non-medication unit.

#5

Which of the following is a common abbreviation for 'every hour' in medication prescriptions?

q1h
Explanation

Abbreviation for hourly dosing frequency.

#6

If a medication is ordered in milligrams (mg) and you have a solution in milliliters (ml), what conversion factor would you use?

1 mg = 0.001 ml
Explanation

Standard conversion factor between milligrams and milliliters.

#7

A child's dose of medication is calculated based on their weight. If a child weighs 20 kilograms and the recommended dosage is 5 mg/kg, how many milligrams of medication should the child receive?

50 mg
Explanation

Simple multiplication of weight and dosage per kilogram.

#8

What is the percentage strength of a solution containing 25 grams of solute dissolved in 100 ml of solvent?

25%
Explanation

Percentage calculation of solute in solvent.

#9

A medication is prescribed at a dose of 0.1 mg/kg. If a patient weighs 70 kg, how many milligrams of medication should be administered?

7 mg
Explanation

Applying the dosage rate to the patient's weight.

#10

What is the volume in ml for a dose of 0.5 mg/kg if the patient weighs 60 kg and the medication concentration is 2 mg/ml?

15 ml
Explanation

Multiplication of patient weight, dosage, and concentration.

#11

A medication is available in 10 mg/5 ml concentration. How many milliliters should be administered for a dosage of 30 mg?

10 ml
Explanation

Direct application of concentration to dosage.

#12

What is the flow rate in ml/hr for an IV infusion of 500 ml over 4 hours?

125 ml/hr
Explanation

Division of volume by time to get the infusion rate.

#13

A medication is ordered in units per hour. The infusion pump is calibrated to deliver 50 units in 250 ml. What is the flow rate in ml/hr?

125 ml/hr
Explanation

Simple calculation based on calibration.

#14

What is the flow rate in ml/hr for an IV infusion of 1000 ml over 8 hours?

125 ml/hr
Explanation

Division of volume by time to get the infusion rate.

#15

A medication is ordered at a dose of 0.05 mg/kg/hr. If the patient weighs 70 kg, what is the hourly dose in mg?

0.50 mg/hr
Explanation

Multiplying dosage rate by patient weight.

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