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4 - PA 1 - Calculations > Chapter 6 > Flashcards

Chapter 6 Flashcards

1
Q

What is a conversion factor?

A

A ratio used to change one unit to another without changing the value of the original measurement.

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2
Q

How many milliliters (mL) are in 1 teaspoon (tsp)?

A

1 tsp = 5 mL.

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3
Q

How many milliliters (mL) are in 1 tablespoon (Tbsp)?

A

1 Tbsp = 15 mL.

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4
Q

How many milliliters (mL) are in 1 ounce (oz)?

A

1 oz = 30 mL.

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5
Q

How many milliliters (mL) are in 1 cup (c)?

A

1 cup = 240 mL.

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6
Q

How many milliliters (mL) are in 1 pint (pt)?

A

1 pint = 480 mL.

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7
Q

How many milliliters (mL) are in 1 quart (qt)?

A

1 quart = 960 mL.

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8
Q

How many milliliters (mL) are in 1 gallon (gal)?

A

1 gallon = 3,840 mL.

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9
Q

How many grams (g) are in 1 kilogram (kg)?

A

1 kg = 1,000 g.

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10
Q

How many milligrams (mg) are in 1 gram (g)?

A

1 g = 1,000 mg.

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11
Q

How many micrograms (mcg) are in 1 milligram (mg)?

A

1 mg = 1,000 mcg.

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12
Q

Convert 1 pound (lb) to grams (g).

A

1 lb = 454 g.

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13
Q

Convert 2.2 pounds (lb) to kilograms (kg).

A

2.2 lb = 1 kg.

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14
Q

How many centimeters (cm) are in 1 inch (in)?

A

1 inch = 2.54 cm.

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15
Q

What is Dimensional Analysis (DA)?

A

A method used to convert between units by setting up fractions that cancel out unwanted units.

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16
Q

What is Ratio and Proportion (R&P)?

A

A method where two ratios are set equal to each other, and you solve for the unknown using cross-multiplication.

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17
Q

What is the main advantage of using Dimensional Analysis (DA)?

A

DA can be used for both single-step and multistep conversions and helps keep track of units.

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18
Q

Convert 10 mL to teaspoons (tsp) using Dimensional Analysis (DA).

A

1 tsp = 5ml / 10ml = 2 tsp

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19
Q

Convert 30 mL to tablespoons (Tbsp).

A

30 mL = 2 Tbsp.

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20
Q

Convert 240 mL to cups (c).

A

240 mL = 1 cup.

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21
Q

How many milliliters (mL) are in 8 ounces (oz)?

A

8 oz = 240 mL.

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22
Q

What is the conversion factor between pounds (lb) and kilograms (kg)?

A

2.2 lb = 1 kg.

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23
Q

How many grains (gr) are in 1 gram (g)?

A

1 gr = 60-65 mg (depending on medication).

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24
Q

How many grains (gr) of aspirin equal 325 mg?

A

325 mg ≈ 5 gr.

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25
Q

Convert 1 minim to drops (gtt).

A

1 minim ≈ 1 drop (gtt).

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26
Q

How many fluid drams (ʒ) are in 1 fluid ounce (fl oz) in the apothecary system?

A

1 fl oz = 8 fluid drams (ʒ).

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27
Q

Convert 1 pound (lb) to grams (g) using the apothecary system.

A

1 lb (apothecary) = 373 g.

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28
Q

How many milligrams (mg) are in 1 grain (gr) of codeine?

A

1 gr = 60 mg of codeine.

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29
Q

Convert 1 fluid ounce (fl oz) to tablespoons (Tbsp).

A

1 fl oz = 2 Tbsp.

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30
Q

Convert 3 teaspoons (tsp) to milliliters (mL).

A

3 tsp = 15 mL.

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31
Q

Convert 1 ounce (oz) to grams (g) using the household system.

A

1 oz = 30 g.

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32
Q

Convert 5 feet to centimeters (cm).

A

5 feet = 152.4 cm.

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33
Q

What is a measurable amount?

A

The quantity of medication that can be accurately measured using the available device.

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34
Q

Why are conversions between systems approximations?

A

Differences between systems, medication viscosity, and the size of the device used for dosing create approximations.

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35
Q

How many minims are in 1 drop (gtt)?

A

1 minim ≈ 1 drop (gtt).

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36
Q

How many milliliters (mL) are in 1 fluid dram (ʒ)?

A

1 fluid dram = 3.7-5 mL (varies).

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37
Q

What is the conversion factor between grains (gr) and milligrams (mg) for aspirin?

A

1 gr = 65 mg for aspirin.

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38
Q

Convert 16 ounces (oz) to milliliters (mL).

A

16 oz = 480 mL.

39
Q

How many milliliters (mL) are in 2 pints (pt)?

A

2 pints = 960 mL.

40
Q

Convert 10 teaspoons (tsp) to milliliters (mL).

A

10 tsp = 50 mL.

41
Q

How many grams (g) are in 1 ounce (oz) of dry weight?

A

1 oz = 30 g.

42
Q

Convert 60 milliliters (mL) to fluid ounces (fl oz).

A

60 mL = 2 oz.

43
Q

What is the conversion factor for grains (gr) to milligrams (mg) for nitroglycerin (NTG SL)?

A

1 gr = 60 mg for nitroglycerin (NTG SL).

44
Q

How many milligrams (mg) are in 1/150 grain of nitroglycerin?

A

1/150 gr = 0.4 mg.

45
Q

How many milligrams (mg) are in 1/100 grain of nitroglycerin?

A

1/100 gr = 0.6 mg.

46
Q

Convert 1 kilogram (kg) to pounds (lb).

A

1 kg = 2.2 lb.

47
Q

How many milliliters (mL) are in 1/4 pint (pt)?

A

1/4 pint = 120 mL.

48
Q

How many milligrams (mg) are in 5 grains (gr) of acetaminophen (APAP)?

A

5 gr = 325 mg of acetaminophen (APAP).

49
Q

How many milliliters (mL) are in 3 fluid drams (ʒ)?

A

3 fluid drams ≈ 11.1-15 mL.

50
Q

Convert 1 ounce (oz) of weight to grams (g) in the apothecary system.

A

1 oz = 30 g in the apothecary system.

51
Q

Convert 325 milligrams (mg) of aspirin to grains (gr).

A

325 mg ≈ 5 grains (gr).

52
Q

Convert 120 milliliters (mL) to ounces (oz).

A

120 mL = 4 oz.

53
Q

How many ounces (oz) are in 2 cups (c)?

A

2 cups = 16 oz.

54
Q

Convert 0.5 grams (g) to milligrams (mg).

A

0.5 g = 500 mg.

55
Q

Convert 0.3 milligrams (mg) of nitroglycerin to grains (gr).

A

0.3 mg ≈ 1/200 gr.

56
Q

Convert 15 milliliters (mL) to tablespoons (Tbsp).

A

15 mL = 1 Tbsp.

57
Q

Convert 45 milliliters (mL) to ounces (oz).

A

45 mL = 1.5 oz.

58
Q

How many milliliters (mL) are in 4 pints (pt)?

A

4 pints = 1,920 mL.

59
Q

Convert 1/4 grain (gr) of aspirin to milligrams (mg).

A

1/4 gr = 15 mg (aspirin).

60
Q

How many teaspoons (tsp) are in 30 milliliters (mL)?

A

30 mL = 6 tsp.

61
Q

How many milliliters (mL) are in 1/2 pint (pt)?

A

1/2 pint = 240 mL.

62
Q

Convert 1/8 grain (gr) of phenobarbital to milligrams (mg).

A

1/8 gr ≈ 7.5 mg of phenobarbital.

63
Q

How many fluid drams (ʒ) are in 1/2 fluid ounce (fl oz)?

A

1/2 fl oz = 4 fluid drams.

64
Q

Convert 90 milliliters (mL) to fluid ounces (fl oz).

A

90 mL = 3 oz.

65
Q

Convert 2.5 milliliters (mL) to teaspoons (tsp).

A

2.5 mL = 1/2 tsp.

66
Q

Convert 100 milligrams (mg) to grains (gr).

A

100 mg ≈ 1.5 gr.

67
Q

Convert 1 fluid ounce (fl oz) to milliliters (mL).

A

1 fl oz = 30 mL.

68
Q

Convert 500 milliliters (mL) to pints (pt).

A

500 mL ≈ 1.04 pt.

69
Q

Convert 0.125 milligrams (mg) to micrograms (mcg).

A

0.125 mg = 125 mcg.

70
Q

How many milliliters (mL) are in 1/4 quart (qt)?

A

1/4 quart = 240 mL.

71
Q

How many grams (g) are in 1 pound (lb)?

A

1 lb = 454 g.

72
Q

Convert 1/2 grain (gr) of codeine to milligrams (mg).

A

1/2 gr = 30 mg of codeine.

73
Q

Convert 15 milligrams (mg) to grains (gr).

A

15 mg ≈ 1/4 gr.

74
Q

Convert 1 minim to milliliters (mL).

A

1 minim ≈ 0.06 mL.

75
Q

Convert 6 fluid ounces (fl oz) to milliliters (mL).

A

6 fl oz = 180 mL.

76
Q

How many milliliters (mL) are in 8 tablespoons (Tbsp)?

A

8 Tbsp = 120 mL.

77
Q

Convert 1.5 liters (L) to milliliters (mL).

A

1.5 L = 1,500 mL.

78
Q

How many ounces (oz) are in 1 quart (qt)?

A

1 quart = 32 oz.

79
Q

How many tablespoons (Tbsp) are in 60 milliliters (mL)?

A

60 mL = 4 Tbsp.

80
Q

Convert 3/4 pint (pt) to milliliters (mL).

A

3/4 pint = 360 mL.

81
Q

Convert 0.6 milligrams (mg) of nitroglycerin to grains (gr).

A

0.6 mg = 1/100 gr.

82
Q

Convert 0.4 milligrams (mg) of nitroglycerin to grains (gr).

A

0.4 mg = 1/150 gr.

83
Q

How many teaspoons (tsp) are in 20 milliliters (mL)?

A

20 mL = 4 tsp.

84
Q

Convert 100 grams (g) to pounds (lb).

A

100 g ≈ 0.22 lb.

85
Q

Convert 45 milliliters (mL) to tablespoons (Tbsp).

A

45 mL = 3 Tbsp.

86
Q

How many milliliters (mL) are in 2 quarts (qt)?

A

2 quarts = 1,920 mL.

87
Q

Convert 500 grams (g) to pounds (lb).

A

500 g ≈ 1.1 lb.

88
Q

Convert 75 milliliters (mL) to fluid ounces (fl oz).

A

75 mL = 2.5 fl oz.

89
Q

Convert 5 fluid ounces (fl oz) to tablespoons (Tbsp).

A

5 fl oz = 10 Tbsp.

90
Q

Convert 25 milliliters (mL) to teaspoons (tsp).

A

25 mL = 5 tsp.

91
Q

How many grains (gr) are in 1 gram (g) of aspirin?

A

1 g ≈ 15.4 grains.

92
Q

Convert 4 fluid ounces (fl oz) to milliliters (mL).

A

4 fl oz = 120 mL.

4 - PA 1 - Calculations (15 decks)

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