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PHARMACY TECH CALCULATIONS EXCPT Advanced Math Calculations Exam with precise detailed solutions

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PHARMACY TECH CALCULATIONS EXCPT Advanced Math Calculations Exam with precise detailed solutions

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PHARMACY TECH CALCULATIONS EXCPT Advanced ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




Math Calculations Exam with precise detailed ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




solutions


A pharmacy technician receives an order for 500 mL of DasW. The pharmacy sterile water for
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injection (SWFI) in stock. How has D70 and many ml of SWFI prepare the solution?
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A. 89 mL ||//\\|| ||//\\||




B. 108 mL ||//\\|| ||//\\||




C. 392 mL ||//\\|| ||//\\||




D. 411 mL - correct answer✔✔D. 411 mL
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The pharmacy technician should use an alligation grid or the formula X/Y = (C - B)/(A - C) to
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determine how many mL of SWFI are needed. In the equation, A is the higher concentration ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




solution, B is the lower concentration solution, C is the percent desired, X is the required
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proportional parts of the higher concentration solution, and Y is the required proportional ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




parts of the lower concentration solution.Set up the equation. X/Y = (12.5 - 0)/(70 -
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12.5)Solve. X/Y = 12.5/57.5Calculate the total parts required. 12.5 + 57.5 = 70Calculate what ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




percentage of the final solution should be comprised of SWFI. 57.5/70 = 0.82 or ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




82%Calculate the total mL of SWFI to be placed in the final solution. 0.82 x 500 mL = 410.71 ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




mLRound to a whole number. 411 mL ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




Which of the following flow rates should a pharmacy technician use to administer a 1 L bag
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of 0.9 % sodium chloride to a patient over 8 hr?
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A. 125 mL/hr ||//\\|| ||//\\|| ||//\\||




B. 150 mL/hr ||//\\|| ||//\\|| ||//\\||




C. 175 mL/hr ||//\\|| ||//\\|| ||//\\||




D. 200 mL/hr - correct answer✔✔A. 125 mL/hr
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, To determine the IV flow rate in mL/hr, the technician should divide the volume (in mL) by
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the duration of the infusion (in hr). If the patient should receive 1 L, or 1,000 mL, over 8 hr,
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the technician should use a flow rate of 125 mL/hr.
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A pharmacy technician receives a prescription for cyclophosphamide 5 mg/m2 qd. The
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patient's body surface area (BSA) is 0.82 m2 Which of the following is the dosage amount? ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




A. 4.1 mg ||//\\|| ||//\\|| ||//\\||




B. 5.82 mg ||//\\|| ||//\\|| ||//\\||




C. 16 mg ||//\\|| ||//\\|| ||//\\||




D. 25 mg - correct answer✔✔A. 4.1 mg
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A pharmacy technician receives a prescription for 3 tablets by mouth daily for 7 days. How
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many tablets should the pharmacy technician count out to fill the prescription?
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




A. 7 ||//\\|| ||//\\||




B. 14 ||//\\|| ||//\\||




C. 21 ||//\\|| ||//\\||




D. 42 - correct answer✔✔C. 21
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A pharmacy technician receives an order for 100 g of a 5 % cream . The technician has 3 %
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and 6 % cream in stock . How many grams of 3 % and 6 % cream should the technician use
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to prepare 100 g of the 5 % cream ?
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A. 20.5 g 3 % cream and 79.5 g 6 % cream
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B. 33.3 g 3 % cream and 667 g 6 % cream
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C. 45 g 3 % cream and 55 g 6 % cream
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D. 50 g 3 % cream and 50 g 6 % cream - correct answer✔✔B. 33.3 g 3 % cream and 667 g 6
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% cream
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The pharmacy technician should use an alligation grid or the formula X/Y = (C - B)/(A - C) to
||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||




determine how many g of 3% and 6% cream are needed. In the equation, A is the higher ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\|| ||//\\||

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