1 Flashcards

(36 cards)

1
Q

Unrelated to altitude and at a constant pressure (atm) there is a proportional relationship between the temperature and volume of a gas.

A

Charles Law

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2
Q

For each 1k ft of ascent temperature decreases by ____ *C.

A

2

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3
Q

When altitude increases, air pressure decreases, causing any gas in the body or equipment to expand.

A

Boyle’s Law

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4
Q

1 ATM is = to ____ mmHg

A

760

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5
Q

P1V1=P2V2

A

Boyle’s Law Equation

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6
Q

In flights which problem relating to Boyle’s law is the only Decent problem in contrast to all other problems occurring on ascent?

A

Barotitis Media

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7
Q

Nitrogen Narcosis resulting from affinity of nitrogen to adipose tissue. Morbidly obese patients. Treatment: O2 will increase partial pressure and cause nitrogen to diffuse. Start prior to flight. (Boyle’s law)

A

Barobaria Trauma

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8
Q

Air trapped in dental space. (boyle’s law)

A

barodontalgia

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9
Q

At a given mass and constant volume of gas the exerted pressure on the sides of it’s container is directly proportional to it’s absolute temperature. (Not PSI, refers to exertional pressure of gas within a container)

A

Gay-Lussac’s Law

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10
Q

Law of partial pressure’s

A

Daltons Law

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11
Q

At this stage of hypoxia SPO2 is approximately 60-70% and death can occur at any time. (20-25K’)

A

Critical

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12
Q

At this stage of hypoxia SPO2 is approximately 70-80% (15-20k’)

A

Disturbance

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13
Q

At this stage of hypoxia SPO2 is approximately 80-90% (10-15k’)

A

Compensatory

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14
Q

At this stage of hypoxia SPO2 is approximately 90-98% (0-10k’)

A

Indifference

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15
Q

Nightvision starts to decrease above ____ft.

A

4k

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16
Q

Each 33’ decent into water = ______ atm.

17
Q

(700 tor X FIO2%) - 50 = _______

18
Q

The amount of gas dissolved in a solution is directly proportional to the pressure of the gas over the solution

19
Q

Gasses move from high to low concentration

20
Q

For every 1500’ in gained elevation we reduce atmospheric pressure by how many percent?

21
Q

Which gas law involves temperature?

22
Q

Pressure exerted by a gas at various altitudes (pressures)

23
Q

Using Dalton’s law how do I calculate partial pressure of oxygen? ____ (O2%) = PaO2

24
Q

The amount of gas dissolved in a solution is directly proportional to the pressure of the gas over the solution.

25
Henry's law is the gas law of ______
Solubility
26
Volume is inversely proportional to pressure assuming a constant temperature
Boyles Law
27
Which gas law is important when considering an ET tube while flying a patient?
Boyles Law
28
normal PaO2 range?
80-100
29
Sirs response involves diluted ____ in the aveoli causing
Surfactant
30
Surfactant is a lipoprotein produced by Type ____ alveolar cells
2
31
Surfactant reduces _______ Tension in the aveoli
Surface
32
Gas law: What the gas is made of, changing fio2,
Dalton
33
Gas law: How tight the space is, pressure and volume change proportionally, space
Boyle's
34
Gas law: Temperature changes size
Charles
35
Gas law: Gas into liquid, solubility
Henry
36
Gas law: Lighter gases move faster than heavier, diffusion, heliox
Graham