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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
ATM:
Scuba tanks
26
High or low vapor pressure?
Des > iso> halo > enflurane > sevo
27
What is constant for 3rd gas law?
Volume
28
Example of 3rd gas law?
ETT cuff
29
Less soluble = ? B/G means what onset of anesthesia?
Lower and faster onset of anesthesia
30
Normal body temp in Celsius and Fahrenheit?
37 and 98.6
31
1in = ? cm
2.54
32
1:100,000 epi is what mcg/ml?
10
33
2 contraindications for epi in local anesthetics?
1. Bier block/appendages | 2. Heart disease
34
Des needs an external heat bc why?
Latent heat of vaporization
35
PSI:
Tire/gas cylinder
36
1 liter = ? Kg
1
37
Gay-Lussac’s (3rd gas law)
Pressure is directly proportional to temp
38
Example for 2nd gas law?
Water bottle leaving work in july
39
Epi comes in what mg/ml and percent?
1mg/ml = 1:1000 = 0.1%
40
Female EBV?
65 ml/kg
41
Max dose and max dose with epi of lidocaine:
Max: 5mg/kg | With epi: 7mg/kg
42
Premature infant EBV
90 ml/kg
43
22 gauge color?
Blue
44
MMHG (torr): ATM, MMHG, CMH2O, PSI?
ATM: 760 MMHG: 1 CMH2O: .74 PSI: .019
45
Smooth parallel movements (River, blood vessels, drinking straw)
Laminar flow
46
1000 ml = ? g
1000
47
Child EBV?
75 ml/kg
48
16 gauge color?
Gray
49
CMH2O:
Airway pressure
50
Boyles Law (1st gas law)
P1V1 = P2V2
51
Nitrogen in air
78%
52
1:400,000 epi is how many mcg/ml?
2.5
53
Large airways have what type of flow?
Turbulent
54
Reynolds number (Re) for laminar, transitional, and turbulent flow?
Laminar: <2000 Transitional: 2000-4000 Turbulent: >4000
55
Des boiling point temp and vapor pressure?
23.5 C and 660mmHg
56
24 gauge color?
Yellow
57
French measures what?
Diameter
58
When using N2O with a 2nd volatile agent, the N2O with help increase or decrease the concentration of volatile agent in the alveoli?
Increase
59
French is how much diameter in millimeters?
3x
60
Is 2 vaporizers are comparably the same sat vap concentration?
ISO and halo (31%)
61
Multilumen catheter
French (DLT, central line, PICC line)
62
18 gauge color?
Green
63
ATM: atm, mmHg (torr), cmh2o, psi?
ATM: 1 MMHG: 760 CMH2O: 1033 PSI: 14.7
64
Non-parallel movements (swirly straw, river rapids, plaque in blood vessel, RAE tube)
Turbulent flow
65
1% drug of local anesthetics for mg/ml and g/ml?
10 mg/ml and 1g/100ml
66
Max dose and max dose with epi of ropivacaine:
Max: 3 mg/kg | With epi: dose not help
67
Gauge measures what?
Outside diameter
68
8 inches = ? Cm
20.3
69
MMHG (torr):
BP
70
14 gauge color?
Orange
71
1 lb = ? ounces = ? pint
16 ounces | 1 pint
72
CMH2O: ATM, MMHG, CMH2O, PSI?
ATM: 1033 MMHG: 1.35 CMH2O: 1 PSI: .014
73
Max dose and max dose with epi of bupivacaine:
Max: 2.5 mg/kg | With epi: 3 mg/kg
74
Bar: ATM, MMHG, CMH2O, PSI
ATM: millibar MMHG: pascal CMH2O: kilopascal PSI: PSIG
75
Oxygen in air?
21%
76
Vaporizers use what law?
Dalton’s law
77
Ideal gas law?
PV=NRT
78
Mnemonic device for units?
King (kilo) Henry (hecto) Died (deca) by Drinking (deck) Chocolate (centi) Milk (milli)
79
Neonate EBV?
85 ml/kg
80
Male EBV?
75 ml/kg
81
Easy conversion math from lbs to kg?
Divide half minus a tenth
82
Poiseuille equation is for what type of flow?
Laminar only
83
Why do nitrous and CO2 tanks get ice?
Converting from liquid to gas rapidly (Pressure is directly proportional to temp)
84
1 cm/h2o = ? mmHg?
1.35
85
1 cc = ? ml = ? g of water
1 and 1
86
Sevo sat vap concentration?
21%

Physics Of Anesthesia (1 decks)

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