Flashcards in Pharmaceutical Calculations Deck (50)

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1

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A patient is taking 10ml 2x daily of amoxicilliin 400mg/5ml. How many mg is the patient receiving per day?

A. 800 mg/day

B. 1600 mg/day

C. 2200 mg/day

D. 2400 mg/day

### B. 1600 mg/day

2

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A dropper is calibrated to deliver 20 gtts/ml of LCD. How many drops are required for a Rx compound calling for 1.5ml of LCD?

A. 10 gtts

B. 15 gtts

C. 20 gtts

D. 30 gtts

### D. 30 gtts

3

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Convert 1:5000 to a percent strength.

A. 0.02%

B. 0.2%

C. 20%

D. 50%

### A. 0.02%

4

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Calculate how many g each of methnol crystals and camphor crystals are needed for the following Rx: Menthol crystals _____, Camphor crystals: aa 0.5%, Salicylic acid powder: 2%, Cerave: qs 120g

A. 0.03g

B. 0.5g

C. 0.6g

D. 3g

### C. 0.6g

5

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Amoxicillin 500mg-capsules cost $19.50/500 capsules. How much will a patient be charged for 20 capsules if the pharmacy adds a 35% markup and a $7 dispensing fee?

A. $7.62

B. $10.29

C. $14.62

D. $17.29

### D. $17.29

6

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Convert 1.5 g to mg.

A. 0.15mg

B. 15mg

C. 150mg

D. 1500mg

### D. 1500mg

7

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A patient is to receive 8mcg/min of digoxin. The concentration of the digoxin is 1mg/500ml of IV fluid. How many ml per hour will the patient receive?

A. 180ml/hr

B. 240/hr

C. 300ml/hr

D. 320ml/hr

### B.240ml/hr

8

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Calculate the days supply for the following Rx: Amoxicillin 500mg, 1 cap po bid, dispense 14.

A. 3 days

B. 7 days

C. 10 days

D. 14 days

### B. 7 days

9

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One pint of lotion contains 65 ml of benzyl alcohol. Calculate the v/v% of benzyl alcohol in the lotion.

A. 3.1%

B. 10.2%

C. 13.7%

D. 14.8%

### C. 13.7%

10

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A physician orders lidocain 1.5 mg/kg to be given to a patient weighting 165lbs. The pharmacy has available lidocain injection in a 4% solution. How many ml of the lidocaine solution will be needed for the patient?

A. 1.92ml

B. 2.81ml

C. 3.09ml

D. 4.76ml

### B. 2.81ml

11

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Convert 33lbs to Kg.

A. 9kg

B. 15kg

C. 21kg

D. 72kg

### B. 15kg

12

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A Rx calls for 0.3 grams of sodium chloride to be dissolved in purified water to form a solution. If the solubility of sodium chloirde in water is 1g/2.8ml, how many ml of water are required to dissolve the sodium chloride?

A. 0.76ml

B. 0.84ml

C. 0.97ml

D. 1.4ml

### B. 0.84ml

13

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A pharmacist dissolves 1.25g of sucrose in water to make a 50ml of solutino. What is the percentage of sucrose?

A. 0.25%

B. 0.5%

C. 2.5%

D. 25%

### C. 2.5%

14

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The retail price for blood glucose monitor is $20.99. If the invoice cost is $16.41, what is the markup percentage?

A. 27.1%

B. 28.9%

C. 29.4%

D. 32.5%

### A. 27.1%

15

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Convert 76 degree Fahrenheit to Celcius.

A. 18.6 C

B. 24.4 C

C. 44.3 C

D. 53.2 C

### B. 24.4 C

16

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A vial of dexamethasone has a concentration of 4mg/ml. How many ml would be given to a patient requiring to 20 mg dose?

A. 4ml

B. 5ml

C. 8ml

D. 10ml

### B. 5ml

17

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If 150ml of NS is infused, how many mg of NaCl will the patient recive?

A. 1200mg

B. 1350mg

C. 1420mg

D. 5100mg

### B. 1350mg

18

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How many tsp are in 120ml?

A. 6

B. 8

C. 12

D. 24

### D. 24

19

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A Rx calls for 200ml of 0.25% prednisolone solution. How many ml of 0.5% prednisolone are needed to prepare the Rx?

A. 50ml

B. 75ml

C. 100ml

D. 150ml

### C. 100ml

20

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What is the body surface area for a patient who weighs 26.4 kg and is 54.1 cm in height?

A. 0.15 m^2

B. 0.40 m^2

C. 0.63 m^2

D. 0.71 m^2

### C. 0.63 m^2

21

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1000ml of fluid must be infused to a patient over 6 hours. If the calibration of the IV tubing is 10gtts/ml, how many drops per minute will there be? (Round answer to the nearest whole number).

A. 20 gtts/min

B. 28 gtts/ min

C. 32 gtts/min

D. 36 gtts/min

### B. 28 gtts/min

22

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Convert 480ml to ounces.

A. 12 oz

B. 16 oz

C. 24 oz

D. 30 oz

### B. 16 oz

23

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A Rx calls for 15 mg/kg of vancomycin every 8 hours. How many mg of vancomycin will a patient weighing 65kg recieve per day?

A. 975 mg/day

B. 1035 mg/day

C. 2260 mg/day

D. 2925 mg/day

### D. 2925 mg/day

24

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Calculate the days supply for the following Rx:

Sulfatrim, 1 tsp po q12h, dispense 140ml.

A. 3 days

B. 7 days

C. 10 days

D. 14 days

### D. 14 days

25

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Calculate how many tablets are nedded to fill the following Rx:

Furosemide 20mg, ii tabs po bid x 14 days

A. 28 tablets

B. 42 tablets

C. 56 tablets

D. 84 tablets

### C. 56 tablets

26

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Calculate how many mg of enalapril powder are required for the following Rx:

Enalapril 15 mg/ 5 ml, dispense 120 ml

A. 33 mg

B. 140 mg

C. 360 mg

D. 390 mg

### C. 360 mg

27

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Calculate how many g of salicylic acid powder are needed for the following Rx:

Menthol crystals; Camphor crystal: aa 0.5%; Salicylic acid powder: 2%; Cerave: gs 60g

A. 0.12g

B. 0.3g

C. 0.9g

D. 1.2g

### D. 1.2g

28

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The package insert for drug states that 1.5ml of diluent must be added to 0.25 g of the dry powder to make a final solution of 100 mg/ml. What is the powder volume?

A. 1ml

B. 1.75ml

C. 2ml

D. 2.5ml

### A. 1ml

29

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Convert 8 fluid oz to ml.

A. 80ml

B. 120ml

C. 240ml

D. 300ml

### C. 240ml

30