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PTCB (1) > Math > Flashcards

Math Flashcards

1
Q

What is DCC in numbers

A

700

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2
Q

What is LXXX in numbers?

A

80

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3
Q

What is XXX in numbers?

A

30

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4
Q

What is XC in numbers?

A

90

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5
Q

What is DCCC in numbers

A

800

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6
Q

What is 1/2 in roman numeral ?

A

SS

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7
Q

What is 200 in roman numeral ?

A

CC

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8
Q

What is 9 in roman numerals?

A

IX

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9
Q

What is MMDCLXVII?

A

2667

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10
Q

What is 3421 in roman numeral?

A

MMMCDXXI

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11
Q

What is DCLXII in numbers ?

A

662

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12
Q

Catch phrase for metric system?

A

King Henry Died By Drinking Chocolate Milk

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13
Q

432,000,000 in scientific notation?

A

4.32 x 10 ^8

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14
Q

105,000 in scientific notation?

A

1.05 x 10 ^ 5

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15
Q

92,000,000 in scientific notation?

A

9.2 x 10 ^7

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16
Q

0.0000000012 in scientific notation?

A

1.2 x 10 ^-9

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17
Q

0.00034

A

3.4 X10 ^-4

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18
Q

0.000054

A

5.4 x 10 ^-5

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19
Q

6.02 X 10⁷ into numbers?

A

60,200,000

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20
Q

7.66 X 10⁵ into numbers?

A

766,000

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21
Q

6.99 X 10³ into numbers?

A

6,990

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22
Q

1.023 X 10⁻⁹ into numbers?

A

.000000001023

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23
Q

2.22 X 10⁻³ into numbers?

A

.00222

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24
Q

6.05 X 10⁻⁴ into numbers?

A

0.000605

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25
Q

605.30 cm how many sig figs?

A

5

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26
Q

0.0050 cm how many sig fig?

A

2

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27
Q

905,000 mi how many sig figs?

A

3

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28
Q

1,000,000 ft how many sig figs?

A

1

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29
Q

500 ft how many sig fig?

A

1

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30
Q

7.12 mg + 6.1 mg + 7.06 mg answer with correct sig figs?

A

20.3 mg

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31
Q

100.5 mg + 110 mg answer with correct sig figs?

A

210 mg

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32
Q

31 cm X 9 cm answer with correct sig figs?

A

300 sq cm

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33
Q

The desired volume is 46 mL, but you actually measured out 48 mL. What is the percent error?

A

4.34%

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34
Q

The desire weight is 350 mg, but the actual weight is 376 mg. What is the percent error?

A

7.42%

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35
Q

The desired volume is 2.3 L, but the actual volume is 2.2 L What is the percent error?

A

4.34%

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36
Q

The desired weight is 2.5 kg, but the actual weight is 1.7 kg. What is the percent error ?

A

32%

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37
Q

The desired weight is 7.4 g, but the actual weight is 6.8 g. What is the percent error?

A

8.10%

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38
Q

How many mg in grams?

A

1000 mg

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39
Q

How many mcg in mg?

A

1000 mcg

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40
Q

How many ml in one L?

A

1000 ml

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41
Q

How many grams in 1 ounce?

A

30 grams

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42
Q

How many lbs in one kg?

A

2.2 lbs

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43
Q

How many grams in one kg?

A

1000 grams

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44
Q

How many grams in in 1 lb?

A

454 grams

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45
Q

How many ml in one fl dram?

A

5 ml

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46
Q

How many ml in 1 tsp?

A

5 ml

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47
Q

how many ml in 1 Tbs?

A

15 ml

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48
Q

How many tsp in one tbs?

A

3 tsp

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49
Q

How many oz in 1 pint?

A

10 oz

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50
Q

How many qts in Gallon?

A

4 qt

51
Q

How many cm in one m?

A

100 cm

52
Q

How many mm in one cm?

A

10 mm

53
Q

How many cm in one inch?

A

2.54

54
Q

How many kg in 502 g?

A

.502 kg

55
Q

How many cm in 89 mm?

A

8.9 cm

56
Q

How many g in 320mg?

A

.32 g

57
Q

How many tsp in 3 tbs?

A

9 tsp

58
Q

How many L in 389 ml?

A

.389L

59
Q

How many m in 245 m?

A

2.45 m

60
Q

How many mg in 967 mcg?

A

.967 mg

61
Q

Another way to put mg/kg/day?

A

mg/kg x day

62
Q

1) A patient has a prescription order for a medication that is available as 500 mg/5 mL. She is to take 400 mg. How many milliliters will she take?

A

4 ml

63
Q

A patient has a prescription order for a medication that is available as 500 mg/5 mL. She is to take 400 mg. How many milliliters will she take?

A

4 ml

64
Q

A patient has an order for 1500 mcg. The pharmacy has 500 mcg tablets. How many tablets will be needed to fill the order?

A

3 tablets

65
Q

7) How many mcg of levothyroxine are contained in 2 tablets of levothyroxine 0.125 mg?

A

250 mcg

66
Q

8) A patient has an order for 1.6 mg. The pharmacy has 0.4 mg tablets. How many tablets will be needed to fill the order?

A

4 tabs

67
Q

1) A patient is to receive 150 mg of a drug per day divided into 3 equal doses. The drug is available in 10 mL vials of 10 mg/mL. How many mL will be administered for each dose?

A

5ml / dose

68
Q

3) A patient is ordered 600 mg/day in 4 equal doses. The drug is available in 10 mL vials of 50 mg/mL. How many mL will the patient receive in 1 dose?

A

3 ml/dose

69
Q

8) A patient is to receive a dosage of 34 mg/kg/day each day for 60 days. The patient weighs 196 lb. The drug is available in 20 mL vials of 200 mg/mL. How many vials will be required for the 60 day course of therapy?

A

46 vials

70
Q

A patient is prescribed a dosage of 1 drop in each eye twice daily for 30 days. The eye drops are available in 5 mL bottles with 20 drops/mL. How many bottles will be required for the 30 days?

A

2 bottles

71
Q

Calculate the flow rate in mL/h. -> 1000 mL infused over 5 h.

A

200 ml / 1h

72
Q

Calculate the flow rate in mL/h. 250 mL infused over 2 h.

A

125 ml / 1 hr

73
Q

1000 mL infused over 4 hours using an infusion set with a drop factor of 10 (10 gtts/mL).

A

42 gtts / min

74
Q

100 mL infused over 1 hour using an infusion set with a drop factor of 10. Calculate the flow rate in gtts/min. Round to the nearest drop.

A

17 gtts / min

75
Q

A 1000 mL bag infused at the rate of 45 mL/h. Calculate the length of time required to infuse the following volumes.

A

22.2 hrs

76
Q

A 1 L bag infused at the rate of 50 gtts/min using an infusion set with a drop factor of 15. Calculate the length of time required to infuse the following volumes.

A

5 hrs

77
Q

13) A patient has an order for regular insulin at the rate of 18 units/hour. The solution is 100 mL with 100 units of regular insulin. An infusion set with a drop factor of 20 is being used. What will be the flow rate in gtts/min?

A

6 gtts/min

78
Q

Convert the following percents to numbers. 3.5%

A

0.035

79
Q

Convert the following percents to numbers. 99%

A

.99

80
Q

Convert the following percents to numbers.3.35%

A

.0335

81
Q

Convert the following percents to numbers. 3%

A

0.03

82
Q

Convert the following numbers to percents. .98

A

98%

83
Q

Convert the following numbers to percents. 3.99

A

399%

84
Q

Convert the following numbers to percents. 1.25

A

125%

85
Q

Convert the following numbers to percents.0.005

A

5%

86
Q

Express the following as percent strength solution, and include the type of solution (w/w, w/v, v/v, v/w). 7 g KCl in 200 mL?

A

3.5 % w/v

87
Q

Express the following as percent strength solution, and include the type of solution (w/w, w/v, v/v, v/w. 3.5 g NaCl in 1000 mL?

A

.35% w/v

88
Q

Express the following as percent strength solution, and include the type of solution (w/w, w/v, v/v, v/w. 5 mg betamethasone in 10 g betamethasone ointment?

A

0.05% w/w

89
Q

Express the following as percent strength solution, and include the type of solution (w/w, w/v, v/v, v/w. 40 mL ETOH in 100 mL ETOH solution?

A

40% v/v

90
Q

13) How many mg of NaCl are in 10 mL of 0.9% NaCl (normal saline)?

A

90 mg

91
Q

How many g of KCl are in 473 mL of 20% KCl?

A

94.6 g

92
Q

How many mg of lidocaine are in 100 mL of 1% lidocaine?

A

1000 mg

93
Q

How many mL of ETOH are in 60 mL of 80 proof (40% ETOH) tequila?

A

24 ml

94
Q

How many grams of active ingredient are in 500 mL of a 1:10,000 solution?

A

.05 g

95
Q

How many grams of active ingredient are in 600 g of a 1:25 w/w preparation?

A

24 g

96
Q

You have a 10 mL vial which is labeled 1:10,000 and are asked to draw up 0.4 mg of drug. How many mL would you draw

A

4 ml

97
Q

You are asked to make 200 g of a 1:100 HC ointment preparation. How many grams of HC powder and how many grams of ointment base would you use?

A

2 g HC

98
Q

You have a solution which is 1:10,000 w/v. What is the percentage strength?

A

0.01 % w/v

99
Q

You have a 100 mL vial which is labeled 1:1000. How many mg are in 25 mL of the solution?

A

25 mg

100
Q

How many mEq are contained in 746 mg of KCl?

A

10 mEq

101
Q

How many mEq of calcium chloride are contained in 2 g of calcium chloride?

A

36 mEq

102
Q

How many mEq of NaCl are in 2 L of 0.9% NaCl?

A

307 mEq

103
Q

Hydrogen atomic mass?

A

1.008

104
Q

Magnesium atomic mass?

A

24.305

105
Q

Potassium atomic mass?

A

39.098

106
Q

Bicarbonate HCO3- Formula mass?

A

61.0

107
Q

Potassium Chloride KCl formula mass?

A

74.6

108
Q

Potassium Chloride KCl mg/mmol & mEq/ mmol?

A

74.6 mg/mmol 1 mEq/mmol

109
Q

Magnesium Chloride MgCl2 mg/mmol & mEq/mmol

A

95.3 mg/mmol 2 mEq/mmol

110
Q

An order calls for 600 mL of a 17% solution. You have a 43% solution on hand. How many mL of stock solution (43%) and how many mL of diluent are needed?

A

237.209 ml

111
Q

The pharmacy stocks a 35% solution. A doctor writes an order for 40 mL of 250 mg/mL solution. How many mL of the stock solution and how many mL of diluent are needed? Note: You can use V1C1=V2C2 even if the concentrations of the two solutions are not in the same units. Give it a try.

A

V2= 28.6 ml

112
Q

A prescription is written for 300 mL of a 16% solution. You have a 50% solution available in the pharmacy. How many mL of the stock solution and how many mL of diluent are needed?

A

V2= 96 ml

113
Q

A patient brings in a prescription for 60 mL of a 50 mg/mL solution. Your pharmacy stocks a 360 mg/2 mL solution. How many mL of the stock solution and how many mL of diluent are needed?

A

16.7 ml

114
Q

Your pharmacy has a 150 mL stock bottle of 1:1000 and a 200 mL stock bottle of 8% solution of the same drug. The pharmacist mixes both bottles together, for no reason other than to make your life difficult, and asks you to prepare 300 mL of a 30 mg/mL solution. How many mL of the mixed stock solution and how many mL of diluent are needed?

A

195 ml

115
Q

The pharmacy stocks a 15% and a 75% alcohol solution. You receive a prescription for 300 mL of a 40% alcohol solution. How many milliliters of the 15% and 75% solutions are needed?

A

125 ml of 75% 175 ml of 15%

116
Q

An order is written for 700 mL of a 34% solution. Your pharmacy stocks a 10% and a 45% solution. How many milliliters of the 10% and 45% solutions are needed?

A

280 ml of 45% 220 ml of 10%

117
Q

What is the percentage strength of a mixture containing 60 mL of a 10% solution and 180 mL of a 35% solution?

A

28.75%

118
Q

You are to prepare 200 mL of 19% dextrose solution from D10W and D40W. How much of each is required? (Note: D10W = 10% dextrose in water and D40W= 40% dextrose in water).

A

60 ml of 40% 140 ml of 10%

119
Q

The same pharmacist in problem 5 mixes 100 mL of a 6% solution, 200 mL of a 100 mg/mL solution and 1 L of a 1:100 solution together, then he measures out 10 mL of that mixture and mixes it with 120 mL of diluent. What is the percent strength of the final solution?

A

.22%

120
Q

The label of a vial states that it contains 3 g. It also says that to make the solution 100 mg/mL, you must add 15.3 mL. What is the powder volume? *chart*

A

14.7 ml

121
Q

An oral suspension once reconstituted will have a concentration of 250 mg/5 mL. The A.I. is 5 g with a powder volume of 14.9 mL. How much water must be added?

A

85.1 ml

122
Q

) A bottle of amoxicillin says to add 187 mL to the bottle to get a suspension of 125 mg/5 mL. The bottle contains 5 g of amoxicillin. What is the powder volume?

A

13 ml

123
Q

If a physician writes an order for 400 mL of D5W to be infused over a 4-hour time period, and the IV drop factor is 12 gtt/mL, how many drops per minute should be delivered?

A

20 gtt

PTCB (1) (3 decks)

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