Alligations
Infusion Rates
Percent Concentration
Dose Calculation with Further Dilution to Final Concentration
Stock Solutions
100
The volume of D50W to be combined with sterile water to obtain 100 mL of D10W
20 mL
100
What is the rate of delivery in milliliters per hour when 500 mL is ordered to be infused over 8 and a half hours?
58.8 mL/h
100
How many grams / ml are in a 3% NS solution
3 g / 100 mL
100
Convert 187 pounds to kg
85 kg
100
A ____________ is a concentrated solution that is to be diluted to some lower concentration for actual use
Stock Solution
200
The number of grams of 30% coal tar ointment needed to make a 10% formulation when combined with a 5% ointment
4 g
200
The doctor orders 800 mL of IV D5W to be infused at a rate of 20 mL/h. How long will it take for the IV bag to completely infuse?
40 hours
200
A cream contains 10 grams of drug. What is the percentage concentration of the cream if there are 45 grams in a tube
22.2%
200
Patient DJ is a 53 year old white male who weighs 150 pounds is to be placed on vancomycin 15mg/kg, what would his dose be? Round to nearest whole number
1,022 mg
200
What are the 4 steps in preparing a stock solution
gather materials, calculations, weighing out materials, preparations
300
The number of 8 oz bottles of 40% strength of an active ingredient required to make 1 L of a 25% strength preparation
2.64 bottles
300
The time it takes for a 3L order of NS to infuse at 95 ggt/min if the drip factor is 20 ggt/mL (in hours and minutes)
10 hours and 30 minutes
300
How many grams of sodium chloride are present in 50 mL of normal saline
4.5 grams
300
0.67 mL
300
Dr. Bailey needs to prepare 3 liters of 0.76% NaCl solution. How many grams NaCl are needed
22.8 g of NaCl
400
The number of tubes required to humor a little old lady who brought a poorly forged prescription for 50 kg of 5% hydrocortisone cream, considering your pharmacy has only 15% in 15 g tubes
1112 tubes
400
The doctor orders 1 L of NS to be infused at a rate of 100 mL/h. You start the infusion at 0500. At what time will the infusion be complete?
1500
400
A morphine injection contains 15 mg/mL. What is the percentage concentration?
1.5%
400
330 mg/mL
400
What is the volume of a 40%(w/v) hydrogen peroxide solution is needed to prepare 500 mL of a 5% (w/v) solution
62.5 mL
500
The number of parts of an 15% w/v solution and 6% w/v solution needed to produce a 10% w/v solution
4 and 5 parts, respectively
500
A patient is ordered to an IV solution of 300 mL over 4 hours that delivers 10 gtt/mL. What will the drip rate be in drops per minute?
12.5 drops per minute
500
How many mLs of a 20% w/v solution would need to be added to an 8% w/v solution to make 200 mL of a 10% w/v solution
33 mL
500
A prescription calls for 850 units of a drug to be combined with sterile water for a final concentration of 520 units/mL. How many mL required to produce desired concentration
1.6 mL
500
An intern needs to make 250 mL of a 0.20 M solution of KNO3. How would you prepare this solution using a stock solution of concentrated 15 M KNO3, include the amount of concentrated KNO3 and water needed
Use 3.33 mL of concentrated KNO3 and add sufficient water to give a total volume of approximately 250 mL