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Flashcards in Flight Physiology Deck (50)
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1
Q

Flight following should occur every _____ min

A

15 min

2
Q

PAIP should be implemented _____ min after an aircraft fails to give position report or is overdue for arrival.

A

15 min

3
Q

______ inches between flight suit and you.

A

1/4 inch

4
Q

ELT Frequency

A

121.5

5
Q

ELT activates at _____ g

A

4

6
Q

Shut Down Procedure

A

Throttle
Fuel
Battery

7
Q

Optimal Day Landing Zone Size

A

75x75

8
Q

Boyle’s Law

A
  • The Volume of a gas is inversely proportional to its pressure, assuming temperature is constant
  • (P1)(V1)=(P2)(V2)
  • As Pressure Increases, Volume Decreases
  • As Pressure Decreases, Volume Increases

“Boyle’s Balloon”

9
Q

Barotitis Media is a ____________ problem

A

Ascent

10
Q

Barobariatrauma is caused by:

A

A sudden/large release of nitrogen from adipose tissues of the body upon decompression.

11
Q

Barobariatrauma is treated by

A

Thoroughly pre oxygenating

12
Q

Partial Pressure Calculation

A

Given Gas Concentration x total pressure present.

Ex: 760 mmHG x 0.3 = 228 mmHg

13
Q

You should anticipate a greater change in atmospheric pressure per altitude change when flying closer to the _____

A

North Pole

14
Q

Charle’s Law states that as you increase the temperature of a gas you should anticipate:

A

A Volume Increase

“Charles Centigrade”

15
Q

The release of a gas exhibited when opening a carbonated drink is a clear demonstration of which gas law?

A

Henry’s Law

16
Q

For every 100 meter climb in altitude you can anticipate:

A

A temp drop of 1C

17
Q

Graham’s Law is influenced more by:

A

Gas Density

18
Q

Stressors of Flight

A
Hypoxia
Pressure Changes
Thermal Changes
Decrease Humidity 
Noise
Vibration
Fatigue
G-Force
19
Q

Physiological Zone Altitude

A

Sea Level to 10,000

20
Q

Physiological Deficient Zone Altitude

A

10,001 to 50,000

21
Q

Space-Equivilant Zone Altitude

A

50,001 to 250,000

22
Q

Space Altitude

A

Greater then 250,000

23
Q

Hypoxic Hypoxia

A

a. Cant oxygen in your body

b. If someone puts a plastic bag over your face you will become hypoxic

24
Q

Stagnant Hypoxia

A

a. You are able to get oxygen into your lungs and you are able to load oxygen onto hemoglobin. But for some reason the blood is not able to move due to one of below reasons.
b. Occurs when cardiac output fails to meet the metabolic demand of the tissues
c. Test Tip: You are a train station. You have a lot of people in the station (O2 molecules) and plenty of train cars (Hgb) but the train cars are broke and can’t go anywhere.

25
Q

Hypemic Hypoxia

A

a. Reduction in the oxygen carrying capacity in the blood (Hgb)

26
Q

Histotoxic Hypoxia

A

a. Caused when the tissues are unable to utilize available oxygen
b. The result of poisoning or metabolic disorders
i. Causes
1. Respiratory enzyme poisoning
2. Intake of CO, Cyanide or ETOH
3. Toxicological Emergencies

27
Q

Four Stages of Hypoxia

A
  1. Indifferent
  2. Compensatory
  3. Disturbance
  4. Critical
28
Q

Indifferent Stage:

A

The first stage
Sea Level to 10,000 ft
Slight Increase in HR and RR
Decrease Night Vision

29
Q

Compensatory Stage

A

The Second Stage
10,000 to to 15,000
Body Attempts to protect itself
Increase in BP, HR and depth and rate of resp.
Efficiency and performance of tasks that require mental alertness become impaired

30
Q

Disturbance Stage

A
3rd Stage
15,000 to 20,000
Dizziness
Sleepiness
Tunnel Vision
Cyanosis 
Thinking and muscle coordination becomes slow
31
Q

Critical Stage

A

4th Stage
20,000 to 30,000
Marked Mental Confusion
Incapacitation followed by unconsciousness within a few minutes

32
Q

Time of Useful Consciousness

A
Altitude	                     Time
18,000 and below	     30 min
25,000	                     3-5 min
30,000	                     90 Sec
35,000	                     30-60 sec
40,000 and higher	     15 sec or less
33
Q

Commonly healthy, unimpaired flight crew member will begin to experience deterioration of night vision at:

A

5000 MSL

34
Q

Night vision is primarily a function of the _________ which are located_________ in the retina.

A

Rods

Periphery

35
Q

33 feet water=

A

1 atmosphere

36
Q

A diver has descended 66 ft below the surface. At this point he is experiencing how many atmospheric pressures

A

3

37
Q

The Proper Shut-down procedure for a typical aeromedical aircraft follows which priority:

A
Throttle
Fuel
Battery
Rotor Brake
Oxygen
38
Q

Cell Phones Violate

A

FCC guidelines

39
Q

Hazards should be announced by:

A

Location
Hazard
Heading

40
Q

Dalton’s Law

A
  • The total pressure in a container is the sum of the partial pressure (“the gang”) of all the gases in the container.
  • Pt=P1+P2+P3+P4 .

“Dalton’s Gang”

41
Q

Charles’ Law

A
  • Which states that changes in temperature will cause a change in volume assuming pressure is constant
  • P1/T1=P2/T2

“Charles Centigrade”
“Charles is a hot head”

42
Q

Gay-Lussac’s Law

A

• The pressure of a fixed amount of gas at a fixed volume, proportional to the temperature
• Similar to Charle’s Law
o “Gay-Lussac is Charles’s gay brother.”
o Sames as Charles’s Law only in a vessel with a fixed size
o Gay-Lussac is about pressure

43
Q

Henry’s Law

A

• At a constant temperature the amount of gas dissolved in a given volume of liquid is directly proportional to the partial pressure of that gas in the gas phase

“Henry’s Heineken”

44
Q

Graham’s Law

A
  • The rate of diffusion through a liquid medium is directly related to the solubility of the gas and inversely proportional to the square root of its density
  • Translation: At equal pressure and temperature, gases with a smaller mass will diffuse faster than gases with a larger mass.

“Graham’s Grape Jelly”

45
Q

Elements that must be probed in a malpractice case are _____

A
  1. Causation
  2. Injury
  3. Damage
46
Q

Admin the wrong medicine would be____

A

Breach of Duty and malfeasance

47
Q

Failure to follow a procedure would be____

A

nonfeasance

48
Q

A repeater system is a type of which of the following radio systems?

A

Half Duplex

49
Q

Four Basic Variables that affect gas volumetric relationships are:

A
  1. Temp
  2. Pressure
  3. Volume
  4. Relative mass of gas or the number of molecules
50
Q

_______ is the leading cause of death among scuba divers

A

AGE