HOSA Medical Math Test Study Guide Questions
with Answers
Basic dosage calculation formula - Answer(desired dose ÷ amount on hand) × volume =
dose [units/mL]
IV drop rate formula - Answer(volume[mL] ÷ time[min]) × drop factor [gtts/ml] = flow rate
[gtts/min]
IV mL rate formula - Answer(volume[mL] ÷ time[hr]) = flow rate [mL/hr]
Dosage calculation by weight - Answerweight (kg) × dosage (kg) = required dosage
Amount in IV fluid - Answer(concentration % ÷ 100) × volume [mL] = dosage amount [g]
Body Surface Area (BSA) calculation metric - Answer√(height [cm] × weight [kg]) ÷ 3600
Body Surface Area (BSA) calculation english - Answer√(height [in] × weight [lb]) ÷ 3131
Normal Saline (NS) - Answer0.9% NaCl
Degree conversion - Answer°C=(oF-32) 5/9
°F=(oC)9/5 + 32
1 kilogram - Answer1000 grams
1 gram - Answer1000 milligrams
1 milligram - Answer1000 micrograms
