Aeromed

Question 0

Types of geometric perspective:

Answer 0

Linear perspective
Apparent foreshortening
Vertical position in the field

Question 1

Monocular cues:

Answer 1

Geometric perspective
Retinal image size
Aerial perspective
Motion parallax

Question 2

Types of retinal image size:

Answer 2

Known size of objects
Increase / decrease object size
Terrestrial association
Overlapping contours

Question 3

Types of aerial perspective:

Answer 3

Fading of colors or shades
Loss of texture or details
Position of light source and direction of shadow

Question 4

Visual illusions:

Answer 4

False horizon
Flicker vertigo
Fixation / fascination
Confusion with ground lights
Relative motion
Autokinesis
Structural illusion
Height / depth illusion
Crater illusion
Size / distance illusion
Altered planes of reference
Reversible perspective

Question 5

Self imposed stressors:

Answer 5

Drugs
Exhaustion
Alcohol
Tobacco
Hypoglycemia

Question 6

Physiologically, 1 oz of alcohol will bring you to what altitude?

Answer 6

2,000 ft

Question 7

Physiologically, smoking 20 - 30 cigarettes will bring you to what altitude?

Answer 7

5,000 ft

Question 8

Types of hypoxia (and explain each)

Answer 8

Hypoxic (not enough pressurized oxygen in the air)
Histotoxic (an interference in the tissues ability to use the oxygen)
Stagnant (inadequate circulation)
Hypemic (a reduction in the O2 carrying capacity in the blood)

Question 9

Stages of hypoxia (altitude and % oxygen saturation)

Answer 9

Indifference: 0 - 10,000 ft (90 - 98%)
Compensatory: 10,000 - 15,000 ft (80 - 89%)
Disturbance: 15,000 - 20,000 ft (70 - 79%)
Critical: 20,000 ft and above (60 - 69%)

Question 10

Types of stressors (explain each)

Answer 10

Physiological: job stress and family issues
Environmental: altitude, heat/cold, aircraft design, IMC
Psychosocial: DEATH
Cognitive: failure to focus on the here and now

Question 11

Definition of Spatial Disorientation:

Answer 11

The individual’s inability to determine position, attitude, and motion in relation to the Earth’s surface

Question 12

Types of Spatial Disorientation

Answer 12

Type 1: unrecognized
Type 2: recognized
Type 3: incapacitating

Question 13

Definition of fatigue:

Answer 13

The state of feeling tired, weary, or sleepy due to prolonged mental or physical work, harsh environments, or loss of sleep

Question 14

Types of fatigue:

Answer 14

Acute
Chronic
Motivational burnout

Question 15

What systems maintain your equilibrium?

Answer 15

Visual
Vestibular
Proprioceptive

Question 16

False horizon:

Answer 16

Confusing cloud formations or uneven ground for the horizon

Question 17

Fascination:

Answer 17

Focusing on only one instrument inside the cockpit

Question 18

Fixation:

Answer 18

Focusing on the target and ignoring motion cues

Question 19

Flicker vertigo:

Answer 19

A light source flashing at 4 - 20 cycles per second

Question 20

Crater illusion:

Answer 20

With an IR searchlight pointing straight down, a pilot can perceive a descent into a hole

Question 21

Relative motion:

Answer 21

Falsely perceiving another aircrafts motion as your own

Question 22

Autokinesis:

Answer 22

When a static light is starred at in the dark the light appears to move

Question 23

Size / Distance illusion:

Answer 23

When a known sized object sits next to another object of unknown size

Question 24

Height / Depth perception:

Answer 24

Flying over terrain with little or no contrast, the pilot cannot estimate their height

Question 25

Confusion with ground lights:

Answer 25

Lights may be mistaken for stars

Question 26

Structural illusion:

Answer 26

An obstruction to vision by heat or snow can cause mirages

Question 27

Altered planes of reference:

Answer 27

When a large object is approached, that object can become the new reference of the horizon

Question 28

Reversible perspective:

Answer 28

At night an aircraft may appear to be moving away when in fact it’s moving toward you