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WorksheetsPharm II - Module 5 - Pharmacy Calculations
Total questions: 20
Worksheet time: 10mins
Which of the following patient characteristics is the most accurate in determining a patient dosage?
Age
Weight
Gender
Height
A provider requests 60 mL of prednisone (Deltasone). Available is prednisone syringes 15 mg/5 mL. How many syringes should the pharmacy technician prepare to dispense the requested amount?
4 syringes
12 syringes
10 syringes
8 syringes
The adult dose of a medication is 430 mg. Using Clark's rule, which of the following amounts of this medication should a pharmacy technician prepare for a child who is 4 years old and weighs 34 lb?
107.5 mg
44.3 mg
137.6 mg
97.5 mg
Which of the following represents the equation below?
a x d = c x b
a/d = c/b
a/b = c/d
d/c = a/b
d/b = a/c
Which of the following abbreviations represents 25 mL of potassium in 100 mL of liquid?
% w/v
% w/w
%v/v
%v/w
When enlarging formulas, which of the following is true regarding the ratio?
The number is always equal to 1.
The number is always less than 1.
The number is always written as a percent.
The number is always greater than 1.
A pharmacy technician receives a prescription for nifedipine (Procardia) 0.2% cream 30 g as needed for pain. The recipe in the pharmacy is for a 45 g container and has 0.09 g of nifedipine powder and 45 g of petrolatum. Which of the following amounts of nifedipine should the technician measure out for the prescription?
0.09 g
0.06 g
0.03 g
0.002 g
A provider requests 100 mL of 35% benzoic acid solution. The pharmacy has a 65% benzoic acid solution available. A pharmacy technician will require which of the following quantities of 65% benzoic acid solution to make the requested amount?
53.8 mL
85.7 mL
14.3 mL
46.2 mL
An adult dose of a medication is 250 mg. Using Young's rule, which of the following amounts should a pharmacy technician prepare for a child who is 3 years old and weighs 18 lb?
50 mg
125 mg
23 mg
76 mg
A prescription for a 120-puff inhaler includes directions to inhale 2 puffs po bid. Which of the following is the number of days the inhaler supply will last?
15 days
30 days
60 days
90 days
A provider requests 90 mL of a 43% alcohol solution. The pharmacy has a 10% alcohol solution and a 60% alcohol solution available. According to the alligation method, a pharmacy technician should mix which of the following amounts of 10% and 60% alcohol solution together to prepare the requested 43% alcohol solution?
45 mL of 60% solution and 45 mL of 10% solution
30.6 mL of 60% solution and 59.4 mL of 10% solution
59.4 mL of 60% solution and 30.6 mL of 10% solution
77.4 mL of 60% solution and 12.6 mL of 10% solution
A pharmacy stocks a quantity of four 1 lb ointment jars of triamcinolone 0.1% cream. Approximately how many 120 g prescriptions can be filled from the entire stock?
5
10
15
20
Which of the following temperatures in Fahrenheit (F) is equivalent to 25° C?
-3.8° F
46° F
102.6° F
77° F
A prescription calls for clindamycin (Cleocin) 75 mg/5 mL. The directions indicate taking 20 mL by mouth four times daily for 14 days. How many grams (g) of clindamycin are included in the prescription?
16.8 g
4.2 g
21 g
0.28 g
In the percentage method formula, which of the following parts of the formula does variable A refer to?
Percentage of the higher concentration
Percentage of the lower concentration
Percentage of the resulting concentration
Percentage of the standard recipe's concentration
A 1 L total parenteral nutrition prescription calls for 10% Dextrose. The pharmacy has a 1 L bag of Dextrose 45% in stock. Which of the following amounts of the available product does a pharmacy technician require to prepare the desired amount?
777.8 mL
181.8 mL
818.2 mL
222.2 mL
Which of the following abbreviations represents 50 g of sodium in 100 mL of water?
% w/v
% w/w
% v/v
% v/w
How many milligrams (mg) are in 1 g?
100 mg
1,000 mg
10 mg
10,000 mg
A total parenteral nutrition prescription reads sodium chloride 20 mEq IV. The pharmacy has vials of sodium chloride 4.4 mEq/mL available. How many mL of sodium chloride does a pharmacy technician require to prepare the desire amount?
2.27 mL
0.22 mL
4.50 mL
0.11 mL
A pharmacy technician should identify that which of the following terms indicates profit after expenses?
Gross margin
Cost of goods sold
Markup percent on cost
Inventory turnover rate
