Dosage Calculations

Question 1

Basic Formula

Dose = ____________/Available Dose) x Quantity

Answer 1

Desired Dose

Question 2

Basic Formula

Dose = Desired Dose/____________) x Quantity

Answer 2

Available Dose

Question 3

Basic Formula

Dose = Desired Dose/Available Dose) x __________

Answer 3

Quantity

Question 4

Desired Dose

Answer 4

what the prescriber ordered

Question 5

Available dose

Answer 5

the dose on hand

Question 6

Quantity

Answer 6

The form of the drug (tablet, mL, etc.)

Question 7

Weight-Based

Dose = ___________ x Dosage (mg/kg)

Answer 7

Weight (kg)

Question 8

Weight-Based

Dose = Weight (kg) x ________________

Answer 8

Dosage (mg/kg)

Question 9

IV Drip Rate

Flow Rate = Total Volume (mL)/ ____________

Answer 9

Total Time (hr)

Question 10

IV Drip Rate without IV pump

Flow Rate (gtt/min) = (________ x Drop Factor (gtt/mL)/ Total Time (min))

Answer 10

Total Volume (mL)

Question 11

IV Drip Rate without IV pump

Flow Rate (gtt/min) = (Total Volume (mL) x ________/ Total Time (min))

Answer 11

Drop Factor (gtt/mL)

Question 12

IV Drip Rate

Flow Rate = _____________/ Total Time (hr)

Answer 12

Total Volume (mL)

Question 13

IV Drip Rate without IV pump

Flow Rate (gtt/min) = (Total Volume (mL) x Drop Factor (gtt/mL) / __________)

Answer 13

Total Time (min)