Special Medication Calculations and Business Math

Question 1 (5 points)

What’s the percent strength of a solution of 150 g active ingredient in a total of 1,000 mL of solution?
Question 1 options:
a) 1.5%
b) 5%
c) 15%
d) 150%

Question 2 (5 points)

How many grams of a 10% cream must be mixed with a 2% cream to prepare 60 grams of a 5% cream?
Question 2 options:
a) 22.5 g
b) 12 g
c) 27 g
d) 15 g

Question 3 (5 points)

How many grams of an active ingredient are needed to prepare 2.5 L of a 1:10,000 w/v solution?
Question 3 options:
a) 25 g
b) 2.5 g
c) 1.25 g
d) 0.25 g

Question 4 (5 points)

_ is the process of introducing a non-blood fluid into the blood.
Question 4 options:
a) Transfusion
b) IV therapy
c) Drop factor
d) Infusion

Question 5 (5 points)

How many mg of lidocaine are in a 20 mL multi-dose vial of lidocaine 1% and epinephrine 1:100,000?
Question 5 options:
a) 100 mg
b) 189 mg
c) 173.5 mg
d) 200 mg

Question 6 (5 points)

A 100 mL vial of 25% solution is available in stock. An order is received for 6 g to be added to 250 mL of fluid for an IV infusion. What’s the total volume of the IV after adding the medication?
Question 6 options:
a) 274 mL
b) 262 mL
c) 251.2 mL
d) 252.4 mL

Question 7 (5 points)

How many mL of a 4% solution contains 400 mg of medication?
Question 7 options:
a) 1.5 mL
b) 2.2 mL
c) 20 mL
d) 10 mL

Question 8 (5 points)

How many grams of amino acids are in a 2,000 mL total parenteral nutrition of 4.25% Travesol (amino acids) and 20% dextrose?
Question 8 options:
a) 25.6 g
b) 85 g
c) 68 g
d) 125 g

Question 9 (5 points)

What’s the percent strength of a medication that contains 5 mg/mL?
Question 9 options:
a) 0.5%
b) 0.2%
c) 4%
d) 5%

Question 10 (5 points)

Knowing that the concentration of solutions of medications can be expressed as percentages, what percentage is a solution that’s 20 grams of medication per 100 mL of solution?
Question 10 options:
a) 2%
b) 22%
c) 20%
d) 120%

Question 11 (5 points)

Place the following steps of alligation medial in proper order.
Question 11 options:
1234 Place the total amount of active ingredient over the total amount and multiply by 100.
1234 Multiply the percentage strength of each component by the total number of grams or milliliters being used in the preparation.
1234 Add the number of milliliters or grams being mixed to obtain the total volume or weight that’s being prepared.
1234 Add the amounts of active ingredient each component provides.

Question 12 (5 points)

At an infusion rate of 125 ml/hr, match the amount of fluid a patient will receive at each of the following times.
Question 12 options:
1234 2 hours
1234 4 hours
1234 8 hours
1234 10 hours

1. 250 mL
2. 500 mL
3. 1,000 mL
4. 1,250 mL

Question 13 (5 points)

Match each of the following terms to the correct definition.
Question 13 options:
1234 Depreciation
1234 Overhead
1234 Asset
1234 Cost of inventory

1. Any property a business owns
2. List of the quantity and respective cost of merchandise in stock
3. Decrease in value of an asset based on total value of asset, its estimated length of use, and its value at disposal
4. The actual cost of doing business

Question 14 (5 points)

Match the amount of active ingredient to the correct percentage strength.
Question 14 options:
1234 500 mL D5W
1234 300 mL of sodium hypochlorite 10%
1234 250 mL of Zephiran chloride 0.2%
1234 100 ML sodium chloride .45%

1. 0.5 g
2. 30 g
3. 25 g
4. 45 g

Question 15 (5 points)

Match each of the following calculations to the correct definition.
Question 15 options:
123 Milligrams per milliliter
123 Ratio strength to percentage strength
123 Percentage strength to ratio strength

1. Write the ratio as a fraction and set it equal to x/100.
2. Write the percentage as a fraction and set it equal to 1/x.
3. Use known strength with the conversion factor 1,000 mg = 1 g in a DA equation.

Question 16 (5 points)

Choose all options that apply.
Which of the following are found in the base solution of traditional 2-in-1 parenteral nutrition (PN) supplementation?
Question 16 options:
a) Dextrose
b) Lipids
c) Vitamins
d) Amino acids
e) Electrolytes

Question 17 (5 points)

Choose all options that apply.
Which of the following are ways for expressing medication strength?
Question 17 options:
a) Percentage strength
b) Ratio strength
c) Dimensional strength
d) Volume strength

Question 18 (5 points)

Match each of the following rules to the correct equation.
Question 18 options:
1234 Markup percentage
1234 Markup price
1234 Annual depreciation
1234 Markup amount

1. Cost ÷ Estimated time of use in years
2. Selling price – Purchase cost
3. Purchase cost + Markup amount
4. (Markup ÷ Cost) × 100

Question 19 (5 points)

Choose all options that apply.
Which of the following factors must be considered when determining the proper IV infusion set to supply the fluids as ordered?
Question 19 options:
a) The time for the fluids to infuse in hours
b) The total amount of fluid to be administered in milliliters
c) The calibration of the administration (infusion) set in drops per milliliter
d) The flow rate of the fluids in drops per minute

Question 20 (5 points)

Match each of the following markup percentages with the correct prescription.
Question 20 options:
1234 Prescription 2 (sells for $13.75, costs $12.75)
1234 Prescription 1 (sells for $26.00, costs $21.50)
1234 Prescription 3 (sells for 66.50, costs $59.00)
1234 Prescription 4 (sells for $8.26, costs $4.25)

1. 21%
2. 7.8%
3. 12.7%
4. 94%

Sample Solution