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UH-72A Bham > TC 3-04.93 > Flashcards

TC 3-04.93 Flashcards

1
Q

What physiologic factor contributes most often to aircraft mishaps?

A

Spatial disorientation

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2
Q

What four subjects are the minimum aeromedical annual training requirements?

A

Altitude physiology, spatial disorientation, aviation protective equipment, stress fatigue and exogenous factors

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3
Q

In order from closest to furthest what are the layers of the Atmosphere?

A

Troposphere
stratosphere
mesosphere
thermosphere

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4
Q

What is Dalton’s law of partial pressure?

A

The total pressure exerted by a mixture of gases is equal to the sum of pressures contributed by each gas in the mixture

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5
Q

What are the physiological zones of the atmosphere?
(Three)

A

The efficient zone (physiological zone)
-sea lvl- 10,000’
Deficient zone
-10,000’-50,000’
the space equivalent zone
-50,000’-♾

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6
Q

Without use of supplemental oxygen a decrease in night vision capabilities occurs at what altitude

A

4000 feet PA

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7
Q

What type of tissue is blood considered to be?

A

Connective tissue

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8
Q

What is the purpose of plasma in blood?

A

To transport nutrients such as glucose and waste products

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9
Q

Define respiration

A

The physical and chemical process of an organism by which oxygen is transported to tissues and cells and waste products like CO2 and water are given off

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10
Q

What chemical in the body is used to maintain the acid base balance?

A

CO2

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11
Q

Exhaling warm moist air aids in what process?

A

Maintaining body temperature

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12
Q

Tiny air sacs in the lungs where gas exchange takes place is called what?

A

Alveoli

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13
Q

Define hypoxia

A

State of O2 deficiency in the blood cells and tissues significant enough to cause impairment of function

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14
Q

What are the four major types of hypoxia?

A

Hypoxic, hypemic, stagnant, and Histotoxic

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15
Q

What are the four stages of hypoxia?

A

Indifferent, compensatory, disturbance, and critical

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16
Q

What is Boyles law?

A

At a constant temperature the volume of gas is inversely proportional to the pressure

17
Q

The ear is an organ of hearing and:

A

Regulating equilibrium (balance)

18
Q

Valsalva maneuver should never be attempted when?

A

During ascent

19
Q

Define stress

A

The non-specific response of the body to any demand

20
Q

What are the different types of stressors?

A

Psychosocial, environmental, physiological, and cognitive

21
Q

What are the self-imposed stressors?

A

Drugs, exhaustion, alcohol, tobacco, hypoglycemia

22
Q

As a rule what is the minimum hours of sleep per night for continuous operations?

A

Five hours

23
Q

What AR provides guidance on crew endurance Planning?

A

AR 385-10

24
Q

How long should an individual sleep when recovering from 24 to 48 hours of sleep deprivation?

A

No longer than 10 hours

25
Q

What is an objects resistance to change in a state of rest or motion?

A

Inertial force

26
Q

What is the force acting on an object moving in a circular pattern that holds the object on it circular path?

A

Centripetal force

27
Q

What is an objects speed in a given direction?

A

Velocity

28
Q

What is newtons first law?

A

Inertia. A body remains at rest or in motion unless acted upon by force

29
Q

What is newtons second law?

A

To overcome inertia a force is required the result of which is proportionate to the acceleration applied and it’s mass

30
Q

What is newtons third law?

A

For every action there’s an equal and opposite reaction

31
Q

What are the factors affecting accelerative forces?

A

Intensity, duration, rate of onset, body area and site, and impact direction

32
Q

What are the aircraft design features that promote crash survival?
(CREEP)

A

Container, restraint systems, environment, energy absorption, post crash protection

33
Q

What is the most common cause of intentional and unintentional poisoning in the United States?

A

Carbon monoxide

34
Q

Inhaling hydraulic fluid can have affects identical to what?

A

Military nerve agents known as organophosphates

UH-72A Bham (10 decks)

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