Aeromedical

Question 1

Hypoxia

Answer 1

“Reduced Oxygen” when your body cannot receive or use enough oxygen

Question 2

4 Hypoxias

Answer 2

1. Hypoxic Hypoxia
2. Hypemic Hypoxia
3. Stagnant Hypoxia
4. Histotoxic Hypoxia

Question 3

Hypoxic Hypoxia

Answer 3

Insufficient Oxygen available, such as blocked airway or drowning. This can happen at high altitudes where air is thinner and this less oxygen is available to breath.

Question 4

Hypemic Hypoxia

Answer 4

“Not enough blood” this happens due to your blood not transport sufficient amounts of oxygen to the body. This often happens from illnesses.

Question 5

Stagnant Hypoxia

Answer 5

“Not flowing” Oxygen rich blood in the lungs is not moving. A reason as to why your arm or leg falls asleep is due to deprivation of oxygen rich blood. This can happen from high Gs and cold temperatures.

Question 6

Histotoxic Hypoxia

Answer 6

“Toxic cells” happens from cells needing oxygen being unable to use it, this happens from drugs, alcohol, narcotics, and poisons.

Question 7

Symptoms of Hypoxia

Answer 7

1. Cyanosis
2. headache
3. Decreased response to stimuli and increase reaction time
4. Impaired Judgement
5. Euphoria
6. Visual Impairment
7. Drowsiness
8. Lightheaded or dizzy sensation
9. Tingling in fingers and toes
10. Numbness

Question 8

Spatial Disorientation

Answer 8

When the pilot loses position, attitude, and movement of the plane. Can often happen from conflicting info from sensory details being fed to the brain.

Question 9

Vestibular System

Answer 9

Organs in the inner ear that sense position based on balance

Question 10

Somatosensory System

Answer 10

Nerves in the skin, muscles, and joints that, along with hearing, sense position based on gravity, feeling, and sound.

Question 11

Visual System

Answer 11

Use of eyes to sense position

Question 12

Acute Stress(short term)

Answer 12

Causes a flight or fight response from a perceived immediate danger. A healthy individual can usually cope with acute stress.

Question 13

Chronic Stress(long term)

Answer 13

Can be developed from ongoing acute stress or from a level of burden that goes beyond the person’s ability to cope. Such burdens can be financial issues, relationships, or work problems. Performance under chronic stress can drop off rapidly.

Question 14

Photopic Vision

Answer 14

Provides the capability of seeing color and fine details, but can only work in good lighting.

Question 15

Mesopic Vision

Answer 15

Works best in mediocre light levels such as dawn, dusk, or full moonlight. The cones(color receptors) become less effective in such conditions and the rods start to become more effective.

Question 16

Scotopic Vision

Answer 16

Happens during low light conditions resulting in your cones(color receptors) to become ineffective. Color reception is lost and a blind spot develops in your central view.