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RxPrep NAPLEX > Conversions > Flashcards

Conversions Flashcards

1
Q

1 tsp

A

5ml

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2
Q

1 tbsp (T)

A

15ml

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3
Q

1 fl oz

A

30ml

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4
Q

1 cup

A

8 oz

240 ml

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5
Q

1 pint

A

16 oz

480 ml

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6
Q

1 quart

A

2 pints

960 ml

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7
Q

1 gallon

A

4 quarts

3,840mml

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8
Q

1 kg

A

2.2 lbs

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9
Q

1 oz = g

A

28.4 grams

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10
Q

1 lb = g

A

454 grams

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11
Q

1 grain (gr)

A

65 mg

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12
Q

1 inch = cm

A

2.54cm

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13
Q

1 meter = cm

A

100cm

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14
Q

K+, Na+, and other monovalent ions:

1 mEq = how many mmol

A

1

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15
Q

Ca++, and other divalent ions:

1 mEq = how many mmol

A

0.5 mmol

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16
Q

1 quart = pint

A

2 pints

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17
Q

1 gallon = quarts

A

4 quarts = 3840ml

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18
Q

Normal saline

A

0.9g/100ml

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19
Q

The ratio of the density of a substance to the density of water

A

Specific gravity

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20
Q

Dealing with 2 concentrations

A

Q1 x C1 = Q2 x C2

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21
Q

Dealing with 3 concentrations

A

Alligation

Cross with “parts”

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22
Q

Osmolarity mOsmol/L =

A

Wt of substance (g/L)
——————- X (#of particles) X 1,000
MW (g/mole)

-always needs to be normalized to a volume of 1L

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23
Q

Isotonicity equation, E =

A

(MW)(1.8)

i= dissociation factor, # of particles over 1, add 0.8

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24
Q

Mols =

A

g/MW

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25
Q

Mmols =

A

Mg/MW

26
Q

mEq =

A 
mg x valence 
-------------
    MW
OR
mmols x valence
27
Q

Valence of 2

A

Chelation drug rxns = Ca, iron, magnesium

Everything else has a valence of 1

28
Q

KCL 10% = 20mEq/15ml

A

If asked to convert liquid to tabs

29
Q

Basal Energy Expenditure (BEE) guess

A

15-25 kcal/kg

30
Q

Calories provided from macronutrients: carbs (dextrose)

A

3.4-4 kcal/g

31
Q

Calories provided from macronutrients: protein (amino acids)

A

4 kcal/g

32
Q

Calories provided from macronutrients: fats (lipids)

A

9 kcal/g

33
Q

Nitrogen balance

A

1 g of nitrogen for every 6.25g of protein

34
Q

ILE stands for

A

Injectable lipid emulsion

35
Q

10% ILE =

A

1.1 kcal/ml

36
Q

20% ILE =

A

2 kcal/ml

37
Q

30% ILE =

A

3 kcal/ml

38
Q

________ and _________ bind together in TPN

A

Calcium and phosphate

  • add phosphate first, and calcium near the end
  • calcium gluconate has the lowest risk of precipitation
39
Q

A tube in the nose to the stomach

A

Nasogastric (NG)

40
Q

A tube that goes through the skin into the stomach

A

PEG, G-tube

41
Q

A tube into the small intestine

A

Jejunostomy, PEJ, J-tube

42
Q

BMI =

A

Kg/m^2
OR
[lb/inch^2] x 703

43
Q

BMI < 18.5

A

Underweight

44
Q

BMI 18.5-24.9

A

Normal

45
Q

BMI 25-29.9

A

Overweight

46
Q

BMI greater than or equal to 30

A

Obese

47
Q

Ideal body weight for males

A

50kg + (2.3kg)(# on inched of 5ft)

48
Q

Ideal body weight for females

A

45.5kg + (2.3kg)(# on inched of 5ft)

49
Q

When to use adjusted body weight

A

Calculated when pts are overweight of obese

50
Q

Adjusted body weight calculation

A

IBW + 0.4(TBW - IBW)

51
Q

Weight shown on scale

A

Actual body weight/Total body weight

52
Q

BUN:Scr of what indicated dehydration

A

20:1

53
Q

Cockcroft-Gault Equation CrCl (ml/min) =

A

140 - age
———- X kg (0.85 if female)
72 x Scr

54
Q

Cockcroft-Gault Equation what weight to use

A 
Underweight = TBW
Overweight = IBW
Obese = AdjBW
55
Q

If pH > pKa

A

More of the acid is ionized

56
Q

If pH =pKa

A

The ionized form and un-ionized forms are equal

57
Q

If pH < pKa

A

More of the acid is un-ionized

58
Q

Calcium carb percentage strength

A

40% elemental

59
Q

Calcium citrate percentage strength

A

21% elemental

60
Q

Aminophylline to Theophylline conversion

A

Amino to theo, multiply by 0.8

Theo to amino, divide by 0.8

RxPrep NAPLEX (33 decks)

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