Med Math Practice || All Answers Are Correct 100%.
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Module
Med Math Practice
Institution
Med Math Practice
1 gram = X mg correct answers 1 gram = 1000 mg
1 mg = X gm correct answers 1 mg - 0.001 gm
1 mg = X mcg correct answers 1 mg = 1000 mcg
1 mcg = X mg correct answers 1 mcg = 0.001 mg
1 kg = X lbs correct answers 1 kg = 2.2 lbs
1 tsp = X mL correct answers 1 tsp = 5 mL
1 gr = X mg c...
Med Math Practice || All Answers Are Correct 100%.
1 gram = X mg correct answers 1 gram = 1000 mg
1 mg = X gm correct answers 1 mg - 0.001 gm
1 mg = X mcg correct answers 1 mg = 1000 mcg
1 mcg = X mg correct answers 1 mcg = 0.001 mg
1 kg = X lbs correct answers 1 kg = 2.2 lbs
1 tsp = X mL correct answers 1 tsp = 5 mL
1 gr = X mg correct answers 1 gr = 60 mg
Doctor has ordered 500 mg and capsules come in 250 mg per capsule - how many capsules are
needed? correct answers set up the problem as
250mg/1 capsule = 500 mg/x capsules
cross multiple 250mgX = 500mg and solve for x by dividing 500/250 = X x =2
2 capsules required for 500 mg
8 mg is ordered. It is available as 10 mg/mL. How many mL should be administered? correct
answers Answer 0.8 mL
calculate by dividing the dose ordered/available concentration in 1 mL
8 mg/10mg/mL = 8/10mL = 0.8mL
1000 mL solultion is ordered to infuse over 8 hours. How many mL/hr should the IV flow rate?
correct answers Set up calculation as 1000 mL/ 8 hr= X mL/1 hr and cross multiply 8hr * X mL
= 1000 mL x 1 hr ; solve for x = X mL = 1000 mL x 1 hr/8 hrs = 125 mL/hr
What is drip rate? correct answers number of drops (gtts) per min to be infused (gtts/min)
What is drip factor? correct answers The Drip Factor of the IV tubing is determined by the
manufacturer. This information can be found on the IV tubing packaging. The Drip Factor is the
number of drops that equal 1 mL of solution.
Example of a Drip Factor:
A Drip Factor of 15 gtts/mL means it will take 15 gtts of the IV solution to deliver 1 mL of the
IV solution.
How to calculate IV drip rate? correct answers IV Drip Rate (gtts/min) = (Volume to be infused
(mL) X Drip Factor of tubing gtts/mL)/time (in min) to be infused
Calculate the IV Drip Rate when 1000 mL of D5W ordered to be administered over 8 hours. The
IV tubing drip factor is 10 gtts/mL. correct answers First convert hrs to mins 8 hrs = 480 minutes
, volume to be infused = 1000 mL
Drip factor = 10 gtts/mL
(1000 mL x 10 gtts/mL)/480 min =
10000 gtts/ 480 min = 20.83 gtts/min
rounded to the nearest whole number = 21 gtts/min
Patient is receiving 1000 units in 10 mL at 100 mL/hr. How many units is the patient receiving
per hour. correct answers 1. Write a fraction to describe the known solution strength (units of
drug divided by milliliters of solution): 1000 units/10mL
2. Set up the second fraction with the flow rate in the denominator and the unknown dose in the
numerator: X units/100 mL
3. Write these fractions into a proportion:
(1000units/10mL) = (X units/100 mL)
4. Solve for x by cross multiplying:
10 mL x X units = 1000 units x 100 mL
5. Divide each side of the equation by 10 mL and cancel units that appear in both the numerator
and denominator:
(10 mL * X units)/10 mL = (100 mL * 1000 units)/10 mL
X units = 100,000 units/10 = 10,000 units
With a flow rate of 100 mL per hour. The patient is receiving 10,000 units per hour.
Ordered: 0.125 mg
Available: 0.25 mg/tablet
How many tablet(s) should the nurse give? correct answers (0.25mg/1 tablet)=(0.125mg/X
tablets)
0.25 mg * X tablets = 1 tablet * 0.125mg
X tablets = (1 tablet * 0.125 mg)/0.25 mg = 0.5 tablets
Convert 99 lb to kg correct answers 99 lbs ÷ 2.2 = 45 kg
Convert 4 mg to mcg correct answers 4 mg x 1000 = 4000 mcg
Convert 2 gm to mg correct answers 2 gm x 1000 = 2000 mg
Convert 2500 mcg to mg correct answers 2500 mcg ÷ 1000 = 2.5 g
Ordered: 40 units
Available: 100 units/mL
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