Formulas

Question 1

Basic Dosage Calculation

Answer 1

H/V = D/X

Question 2

IV Drip Rate

Answer 2

(Vol [mL]/Mins) * Drop factor [gtts/mL]

Question 3

IV mL Rate

Answer 3

(Vol[mL]/Hr)

Question 4

Dosage Calculation by Weight

Answer 4

(mcg/mg/g)/kg * [weight in kg]

D/H * Q

Question 5

BSA (metric)

Answer 5

√(height [cm] * weight [kg])/3600

Question 6

BSA (imperial)

Answer 6

√(height [in] * weight [lbs]/3131

Question 7

Celsius to Fahrenheit

Answer 7

multiply by 9
divide by 5
add 32

Question 8

Fahrenheit to Celsius

Answer 8

subtract 32
multiply 5
divide 9

Question 9

Clark Child Dosage

Answer 9

(weight[lbs]/150) * adult dose
(weight[kg]/68) * adult dose

Question 10

Frieds Infant Dose

Answer 10

(age [mo]/150) * adult dose

Question 11

Young Child Dosage

Answer 11

age [yr]/(age [yr] + 12) * adult dose

Question 12

Ratio: Strength of Solution

Answer 12

amount of drug/ amount of solution

Question 13

Percent of Strength by Volume

Answer 13

(Vol of solute/Vol of solution) * 100

Question 14

Percent of Strength by Weight [Mass]

Answer 14

Mass of solute/ Vol of solution * 100

Question 15

Amount of Solute/ Amount of First Solution

Answer 15

Amount of Solute/Amount of Second Solution

Question 16

Amount in IV Fluid

Answer 16

(Concentration % / 100) * Vol [mL]

Question 17

Normal Saline

Answer 17

0.9% NaCl