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Physics Of Anesthesia > Quiz 1 > Flashcards

Quiz 1 Flashcards

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1
Q

BMI units

A

Kg/m^2

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2
Q

How to calculate BV?

A

Weight (kg) x EBV

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3
Q

Des sat vap concentration?

A

664

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4
Q

Why does female have less BV (3)?

A
  1. Testosterone stimulates erythropoietin
  2. Menstruation
  3. Less adipose
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5
Q

20 gauge color?

A

Pink

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6
Q

Why does N2O have a higher FA/Fi than des?

A

Higher the concentration of volatile agent, the faster it is absorbed

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7
Q

1kg = ? cc

A

1000

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8
Q

20.3 CM/H2O = ? MMHG?

A

27

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9
Q

Poiseuille equation: double length, double viscosity, double radius?

A

Double length: double resistance
Double viscosity: double resistance
Double radius: 16x flow

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10
Q

The amount of heat (calories) required to a liquid into vapor?

A

Latent heat of vaporization

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11
Q

Small airways have what type of flow?

A

Laminar

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12
Q

Charles law (2nd gas law)

A

Temp is proportionate to volume

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13
Q

1000 cc = ? ml

A

1000

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14
Q

What is constant for 2nd gas law?

A

Pressure

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15
Q

100% drug for local anesthetics means what for g/ml and mg/ml?

A

1g per 1ml = 1000mg per 1 ml

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16
Q

Allowable blood loss equation?

A

BV x (Hct i - Hct t)/ Hct i

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17
Q

Fahrenheit to Celsius calculation?

A

Temp in Fahrenheit, subtract 32, and divide by 1.8 ((F-32)x5/9)

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18
Q

Celsius to Fahrenheit calculation:

A

9/5 xC + 32

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19
Q

Des vaporizer heated to what temp?

A

39 C

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20
Q

What is constant for 1st gas law?

A

Temp

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21
Q

FA/Fi from higher to lower?

A

N2O > des > sevo > iso > halo

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22
Q

12 inches = ? foot = ? cm

A

1 foot

30 cm

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23
Q

When a volatile liquid is placed in a closed container, the molecules equilibrate between liquid and gas. The pressure exerted from this equilibrium is what?

A

Pvap (vapor pressure); Dalton’s law

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24
Q

PSI: ATM, MMHG, CMH2O, PSI?

A

ATM: .068
MMHG: 51
CMH2O: 70.3
PSI: 1

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25
Q

ATM:

A

Scuba tanks

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26
Q

High or low vapor pressure?

A

Des > iso> halo > enflurane > sevo

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27
Q

What is constant for 3rd gas law?

A

Volume

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28
Q

Example of 3rd gas law?

A

ETT cuff

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29
Q

Less soluble = ? B/G means what onset of anesthesia?

A

Lower and faster onset of anesthesia

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30
Q

Normal body temp in Celsius and Fahrenheit?

A

37 and 98.6

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31
Q

1in = ? cm

A

2.54

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32
Q

1:100,000 epi is what mcg/ml?

A

10

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33
Q

2 contraindications for epi in local anesthetics?

A
  1. Bier block/appendages

2. Heart disease

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34
Q

Des needs an external heat bc why?

A

Latent heat of vaporization

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35
Q

PSI:

A

Tire/gas cylinder

36
Q

1 liter = ? Kg

A

1

37
Q

Gay-Lussac’s (3rd gas law)

A

Pressure is directly proportional to temp

38
Q

Example for 2nd gas law?

A

Water bottle leaving work in july

39
Q

Epi comes in what mg/ml and percent?

A

1mg/ml = 1:1000 = 0.1%

40
Q

Female EBV?

A

65 ml/kg

41
Q

Max dose and max dose with epi of lidocaine:

A

Max: 5mg/kg

With epi: 7mg/kg

42
Q

Premature infant EBV

A

90 ml/kg

43
Q

22 gauge color?

A

Blue

44
Q

MMHG (torr): ATM, MMHG, CMH2O, PSI?

A

ATM: 760
MMHG: 1
CMH2O: .74
PSI: .019

45
Q

Smooth parallel movements (River, blood vessels, drinking straw)

A

Laminar flow

46
Q

1000 ml = ? g

A

1000

47
Q

Child EBV?

A

75 ml/kg

48
Q

16 gauge color?

A

Gray

49
Q

CMH2O:

A

Airway pressure

50
Q

Boyles Law (1st gas law)

A

P1V1 = P2V2

51
Q

Nitrogen in air

A

78%

52
Q

1:400,000 epi is how many mcg/ml?

A

2.5

53
Q

Large airways have what type of flow?

A

Turbulent

54
Q

Reynolds number (Re) for laminar, transitional, and turbulent flow?

A

Laminar: <2000
Transitional: 2000-4000
Turbulent: >4000

55
Q

Des boiling point temp and vapor pressure?

A

23.5 C and 660mmHg

56
Q

24 gauge color?

A

Yellow

57
Q

French measures what?

A

Diameter

58
Q

When using N2O with a 2nd volatile agent, the N2O with help increase or decrease the concentration of volatile agent in the alveoli?

A

Increase

59
Q

French is how much diameter in millimeters?

A

3x

60
Q

Is 2 vaporizers are comparably the same sat vap concentration?

A

ISO and halo (31%)

61
Q

Multilumen catheter

A

French (DLT, central line, PICC line)

62
Q

18 gauge color?

A

Green

63
Q

ATM: atm, mmHg (torr), cmh2o, psi?

A

ATM: 1
MMHG: 760
CMH2O: 1033
PSI: 14.7

64
Q

Non-parallel movements (swirly straw, river rapids, plaque in blood vessel, RAE tube)

A

Turbulent flow

65
Q

1% drug of local anesthetics for mg/ml and g/ml?

A

10 mg/ml and 1g/100ml

66
Q

Max dose and max dose with epi of ropivacaine:

A

Max: 3 mg/kg

With epi: dose not help

67
Q

Gauge measures what?

A

Outside diameter

68
Q

8 inches = ? Cm

A

20.3

69
Q

MMHG (torr):

A

BP

70
Q

14 gauge color?

A

Orange

71
Q

1 lb = ? ounces = ? pint

A

16 ounces

1 pint

72
Q

CMH2O: ATM, MMHG, CMH2O, PSI?

A

ATM: 1033
MMHG: 1.35
CMH2O: 1
PSI: .014

73
Q

Max dose and max dose with epi of bupivacaine:

A

Max: 2.5 mg/kg

With epi: 3 mg/kg

74
Q

Bar: ATM, MMHG, CMH2O, PSI

A

ATM: millibar
MMHG: pascal
CMH2O: kilopascal
PSI: PSIG

75
Q

Oxygen in air?

A

21%

76
Q

Vaporizers use what law?

A

Dalton’s law

77
Q

Ideal gas law?

A

PV=NRT

78
Q

Mnemonic device for units?

A

King (kilo) Henry (hecto) Died (deca) by Drinking (deck) Chocolate (centi) Milk (milli)

79
Q

Neonate EBV?

A

85 ml/kg

80
Q

Male EBV?

A

75 ml/kg

81
Q

Easy conversion math from lbs to kg?

A

Divide half minus a tenth

82
Q

Poiseuille equation is for what type of flow?

A

Laminar only

83
Q

Why do nitrous and CO2 tanks get ice?

A

Converting from liquid to gas rapidly (Pressure is directly proportional to temp)

84
Q

1 cm/h2o = ? mmHg?

A

1.35

85
Q

1 cc = ? ml = ? g of water

A

1 and 1

86
Q

Sevo sat vap concentration?

A

21%

Physics Of Anesthesia (1 decks)

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