Medical Math: Hosa Questions with Complete
Solutions 2024/2025
Formula For Converting Celsius to Fahrenheit - ANSWER 9/5C + 32
Formula For Converting Fahrenheit to Celsius - ANSWER (F-32) X 5/9
Converting Lbs to Kilograms - ANSWER Divide by 2.2
Converting Kilograms to Pounds - ANSWER Multiply by 2.2
Converting Grams in Kilograms - ANSWER Divide by 1,000
IV Flow Rate: Formula to calculate mL/hr - ANSWER Total Volume/ Total Time (Hours)
IV Flow Rate: Formula to calculate drops per min. (ggt/min) - ANSWER Total Volume X
Drop Factor/ Total Time (Minutes)
Electronic Infusion Pump: Formula to calculate mL/hr - ANSWER amount of
solution/minutes to give = (mL/hr)/ 60 min
Write the relationship " pediatric drops contain 50mg/ 5 mL" in ratio, fraction, and colon
format - ANSWER 50 mg/ 5 mL, 50 mg (over) 5 mL, 50 mg: 5 mL
Write the relationship " a capsule contains 250 mg of a drug" in ratio, fraction, and colon
format - ANSWER 250 mg/ 1 capsule, 250 mg (over) 1 capsule,
, 250 mg: 1 capsule
Write the relationship " a liter of IV solution contains 2 ampules of multivitamins" in
ratio, fraction, and colon format - ANSWER 2 ampules/ 1 liter, 2 ampules (over) 1 liter, 2
ampules: 1 liter
Write the relationship " each tablet contains 5 grains of a drug. the nurse is to give 3
tablets equal to 15 grains" as proportions using both fraction and colon format -
ANSWER 1 tablet: 5 grains :: 3 tablets: 15 grains
1 tablet (over) 5 grains = 3 tablets (over) 15 grains
Write the relationship " a syrup contains 10 mg/5 mL. a patient is to take 30 mg or 15
mL during a 24-hour period" as proportions using both fraction and colon format -
ANSWER 10 mg: 5 mL :: 30 mg: 15 mL
10 mg (over) 5 mL = 30 mg (over) 15 mL
Solve for X: "6 (over) x = 9 (over) 27" - ANSWER x= 18
Solve for X : " 2 (over) 7 = x (over) 14 - ANSWER x=4
Set up a ratio and solve for x: " a drug is available as 25 mg/mL, to give 1.5mL you would
need to give ___ mg" - ANSWER 25mg (over) 1 mL = x mg (over) 1.5 mL
x= 37.5mg
Set up a ratio and solve for x: "an oral liquid is available as 1 gram each 5 mL, the nurse
gave 15 mL or ___ grams" - ANSWER 1 gram (over) 5 mL = x grams (over) 15 mL
x= 3 grams
Solutions 2024/2025
Formula For Converting Celsius to Fahrenheit - ANSWER 9/5C + 32
Formula For Converting Fahrenheit to Celsius - ANSWER (F-32) X 5/9
Converting Lbs to Kilograms - ANSWER Divide by 2.2
Converting Kilograms to Pounds - ANSWER Multiply by 2.2
Converting Grams in Kilograms - ANSWER Divide by 1,000
IV Flow Rate: Formula to calculate mL/hr - ANSWER Total Volume/ Total Time (Hours)
IV Flow Rate: Formula to calculate drops per min. (ggt/min) - ANSWER Total Volume X
Drop Factor/ Total Time (Minutes)
Electronic Infusion Pump: Formula to calculate mL/hr - ANSWER amount of
solution/minutes to give = (mL/hr)/ 60 min
Write the relationship " pediatric drops contain 50mg/ 5 mL" in ratio, fraction, and colon
format - ANSWER 50 mg/ 5 mL, 50 mg (over) 5 mL, 50 mg: 5 mL
Write the relationship " a capsule contains 250 mg of a drug" in ratio, fraction, and colon
format - ANSWER 250 mg/ 1 capsule, 250 mg (over) 1 capsule,
, 250 mg: 1 capsule
Write the relationship " a liter of IV solution contains 2 ampules of multivitamins" in
ratio, fraction, and colon format - ANSWER 2 ampules/ 1 liter, 2 ampules (over) 1 liter, 2
ampules: 1 liter
Write the relationship " each tablet contains 5 grains of a drug. the nurse is to give 3
tablets equal to 15 grains" as proportions using both fraction and colon format -
ANSWER 1 tablet: 5 grains :: 3 tablets: 15 grains
1 tablet (over) 5 grains = 3 tablets (over) 15 grains
Write the relationship " a syrup contains 10 mg/5 mL. a patient is to take 30 mg or 15
mL during a 24-hour period" as proportions using both fraction and colon format -
ANSWER 10 mg: 5 mL :: 30 mg: 15 mL
10 mg (over) 5 mL = 30 mg (over) 15 mL
Solve for X: "6 (over) x = 9 (over) 27" - ANSWER x= 18
Solve for X : " 2 (over) 7 = x (over) 14 - ANSWER x=4
Set up a ratio and solve for x: " a drug is available as 25 mg/mL, to give 1.5mL you would
need to give ___ mg" - ANSWER 25mg (over) 1 mL = x mg (over) 1.5 mL
x= 37.5mg
Set up a ratio and solve for x: "an oral liquid is available as 1 gram each 5 mL, the nurse
gave 15 mL or ___ grams" - ANSWER 1 gram (over) 5 mL = x grams (over) 15 mL
x= 3 grams
