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NAPLEX > Metrics > Flashcards

Metrics Flashcards

0
Q

How do u convert Theophylline to Aminophylline?

A

Theophylline divided by 0.8 = Aminophylline

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1
Q

How do u convert Aminophylline to Theophylline?

A

Aminophylline x 0.8 = Theophylline

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2
Q

Equivalent of tsp (t)?

A

5ml

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3
Q

Equivalent of tbsp (T)?

A

15ml

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4
Q

Equivalent of 1 fl oz?

A

30ml

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5
Q

Equivalent of 1 cup?

A

8 oz

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6
Q

Equivalent of 1 pint?

A

16 oz or (29.6 x 16) 473ml

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7
Q

Equivalent of 1 quart?

A

2 pints; 946 mL

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8
Q

Equivalent of 1 gallon?

A

4 quarts; 3,785mL

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9
Q

Equivalent of 1 kg?

A

2.2 pounds

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10
Q

Equivalent of 1 oz?

A

28.4g

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11
Q

Equivalent of 1 pound?

A

454g

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12
Q

Equivalent of 1 in?

A

2.54 cm

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13
Q

Equivalent of 1 grain (gr)?

A

65mg (approx); 64.8mg (actual)

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14
Q

Equivalent of % (w/v)?

A

g/100mL

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15
Q

Equivalent of % (v/v)?

A

mL/100mL

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16
Q

Equivalent of % (w/w)?

A

g/100g

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17
Q

What’s measured concurrently with BMI? Why?

A

Waist circumference

Bcuz BMI overestimate body fat in persons who are muscular and underestimates in frail elderly

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18
Q

How do u calculate BMI?

A

Weight (kg)/ Height (m2)

Or

(Weight (pounds)/ Height (in)^2) x 704.5

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19
Q

IBW - male?

A

50kg + (2.3kg x each inch over 5 feet)

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20
Q

IBW - Women?

A

45.5kg + (2.3kg x each inch over 5 feet)

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21
Q

What does BUN:SCr ratio > 20 indicate?

A

Dehydration

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22
Q

Cockcroft-Gault Equation?

A

CrCl = 140-(age of pt) x wt in kg (x 0.85 if female)

72 x SCr

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23
Q

AdjBW?

A

IBW + 0.4 (TBW - IBW)

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24
Q

What GFR level indicates mild renal insufficiency (Stage 2 CKD)?

A

60-89 mL/min/1.73m^2

25
Q

What GFR level indicates moderate renal insufficiency (Stage 3 CKD)?

A

30-59

26
Q

What GFR level indicates severe renal insufficiency (Stage 4 CKD)?

A

15-29

27
Q

What GFR level indicates renal failure (Stage 5 CKD)?

A

< 15 or on dialysis

28
Q

How are Aminophylline and Theophylline dosed?

A

Using IBW

29
Q

Formular for Specific Gravity (SG)?

A

SG = weight (g)/ volume (mL)

30
Q

Is specific gravity same as density? Difference?

A

Yes!

Density is SG with units (g/mL)

31
Q

Where do calories from nutrition services come from?

A

Carbohydrate

Fat

Protein

32
Q

What’s the kcal from 1g of carbohydrate and Protein?

A

Both 1 gm CHO and Protein provide 4 kcal/g

33
Q

The dextrose in PN provides how many calories?

A

3.4 kcal/gm

34
Q

Kcal/gm from Fat?

A

9 kcal/gm

35
Q

How many kcal is from IV Fat Emulsion (IVFE)

10%
20%
30%

A

10% - 1.1 kcal/mL

20% - 2 kcal/mL

30% - 3 kcal/mL

36
Q

How do you determine fluid needs (weight > 20kg)?

A

1,500ml + (20ml)(wt in kg - 20)

37
Q

BEE in males

A

66.47 + 13.75(weight in kg) + 5(height in cm) - 6.76(age in years)

38
Q

BEE in females

A

655.1 + 9.6(weight in kg) + 1.85(height in cm) - 4.68(age in years)

39
Q

TEE

A

BEE x activity factor x stress factor

40
Q

Nitrogen intake?

A

Nitrogen intake = gm of protein intake/ 6.25

41
Q

What size filter is used in most TPN formulation, especially with Lipids?

A

1.2 micron filters

42
Q

What does TEE refer to?

A

Non-protein calories

T4, don’t include calories from protein in ur calculation for TEE

43
Q

How many calories come from the diff formulations of lipids? 10%, 20%, 30%

A

10% - 1.1 kcal/mL

20% - 2 kcal/mL

30% - 3 kcal/mL

44
Q

What’s the principal EXTRAcellular cation?

A

Na

45
Q

What’s the principal INTRAcellular cation?

A

K

46
Q

Normal range of K?

A

3.5-5.0 mEq/L

47
Q

When do u need to correct Ca? Formular?

A

If albumin is low (<3.5 g/dL)

Ca (reported/serum) + [(4.0 - albumin) x 0.8]

48
Q

What type of Ca is preferable?

A

Ca gluconate over CaCl

49
Q

Which should u add first btw Ca and Phosphate? (After u add dextrose and amino acid)

A

Add Phosphate first

50
Q

Which compound has 1 as dissolution # of particles?

A

Dextrose

Mannitol

51
Q

Which compound has 2 as dissolution # of particles?

A

Potassium Chloride (KCl)

Sodium Chloride (NaCl)

Sodium acetate (NaC2H3O2)

52
Q

Which compound has 3 as dissolution # of particles?

A

Calcium Chloride (CaCl2)

53
Q

Which compound has 4 as dissolution # of particles?

A

Sodium Citrate (Na3C6H5O7)

54
Q

Osmolarity Formular?

A

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

55
Q

What’s the corresponding dissociation factor (or ionization; i) for 1 dissociated ion?

A

1

56
Q

What’s the corresponding dissociation factor (or ionization; i) for 2 dissociated ions?

A

1.8

57
Q

What’s the corresponding dissociation factor (or ionization; i) for 3 dissociated ions?

A

2.6

58
Q

What’s the corresponding dissociation factor (or ionization; i) for 4 dissociated ions?

A

3.4

59
Q

What’s the corresponding dissociation factor (or ionization; i) for 5 dissociated ions?

A

4.2

60
Q

Formulae for Sodium Chloride equivalent or “E”?

A

E = (58.5)(i)/(MW of drug)(1.8)

61
Q

Name meds that cause gap acidosis?

What’s the Formular for anion gap?

What’s the cut-off to determine gap acidosis?

A

CUTE DIMPLES

Cyanide, Uremia, Toluene, Ethanol (alcoholic ketoacidosis),
Diabetic ketoacidosis, Isoniazid, Methanol, Propylene glycol, Lactic acidosis, Ethylene glycol and Salicylates

Anion Gap (AG) = Na - Cl - HCO3

A gap is high is > 12mEq/L

NAPLEX (73 decks)

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