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StressVisual

IllusionsSpatial

Disorientation

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EyeballHypoxia

Define Hypoxia

What is…..

Results when the body lacks oxygen?

This type of hypoxia is caused by a reduction in

the oxygen-carrying capacity of the

blood…

What is……

Hypemic Hypoxia?

In this type of hypoxia, the oxygen-carrying capacity of

the blood is adequate, but circulation is

inadequate.

What is…..

Stagnant Hypoxia?

This type of hypoxia results when there is interference with the

use of oxygen by body tissues……

What is…..

Histotoxic Hypoxia

This type of hypoxia occurs when decreasing

atmospheric pressure prevents the diffusion of oxygen from the lungs to

the bloodstream.

What is….

Hypoxic Hypoxia?

A nonspecific response of the body to any demand

placed upon it…

What is…..

The definition of stress?

Any stimulus or event that requires an

individual to adjust or adapt in some way?

What is…..

A Stressor?

This major category of stressor are life events. They may

trigger adaptation or change in one’s lifestyle, career, and/or

interaction with others….

What is…..

Psychosocial Stressors

Poor weather resulting in instrument flight conditions may cause significant stress and increases the fatigue of

aircrews. What major category of stress would this be an

example of?

What is…..

Environmental Stressor?

This medical term refers to undesired effects resulting

from the combination of two or more drugs or from a

stressful situation experienced while taking a

prescribed drug….

What is…..

Synergistic Effects

This type of vision is experienced under low-light level environments such as

partial moonlight and starlight conditions….

What is……

Scotopic Vision?

This blind spot covers an area of 5.5 to 7.5 degrees. It is about 15 degrees from the fovea and originates where the optic nerve attaches to

the retina.

What is…..

Day Blind Spot?

This chemical permits the cone cells to respond immediately to visual

stimulation, regardless of the level of ambient light…

What is…..

Iodopsin?

This part of the eye is a circular, transparent protective tissue that

projects forward and protects the eye……..

What is…..

The Cornea?

This simple test expresses the comparison of the distance at which a given set of letters is

correctly read to the distance at which the letters would be read

by someone with clinically normal eyesight.

Name this test……..

What is……

The Snellen Test

This visual illusion is the falsely perceived self-

motion in relation to the motion of another object…..

What is…..

Relative Motion?

This visual illusion occurs when aircrew members land

at night, under NVG conditions, and the IR

searchlight is directed too far under the nose of the

aircraft…..

What is…..

Crater Illusion?

This visual illusion is caused by the effects of heat waves,

rain, snow, sleet, or other visual obscurants….

What is…..

Structural Illusion?

This visual illusion is due to a lack of sufficient visual cues

and causes an aircrew member to lose depth

perception…..

What is….

Height-Depth Illusion

Crew members may become so engrossed with a problem

or task within the cockpit that they fail to properly

scan outside the aircraft….

What is….

Fascination (Fixation)

Define:

Spatial Disorientation

What is….

A individual’s inability to determine his position,

attitude, and motion relative to the surface of the earth or

significant objects?

This is a spinning sensation usually caused by a peripheral vestibular

abnormally in the middle ear…..

What is…..

Vertigo?

A pilot perceives a problem (resulting from S.D.) The

pilot, however, may fail to recognize it as S.D. What

type of S.D. does this describe?....

What is….

Type II (Recognized)

What type of S.D. would a pilot have if he experiences

such an overwhelming sensation of movement that he cannot orient himself by using visual cues or aircraft

instruments?

What is…..

Type III (Incapacitating)

What is the most dangerous type of

disorientation?

What is….

Type I (Unrecognized)

Make your wager

Which one is it?

(1)Hyperglycemia

Or

(2) Hypoglycemia

What is…..

Hypoglycemia?