Aeromed

Question 1

What is the publication for temporary flight restrictions due to exogenous factors?

Answer 1

AR 40-8

Temporary Flight Restriction Due to Exogenous Factors

Question 2

Which factor requires a 72 hour restriction?

Answer 2

Blood donation (200cc or more)

Question 3

Which factor requires a 48 hour restriction?

Answer 3

General, spinal, or epidural anesthesia or conscious sedation

Question 4

Which factors require a 24 hour restriction?

Answer 4

1. Plasma donation
2. High altitude flight after hypobaric chamber
3. SCUBA diving
4. Dilated eye exams

Question 5

Which factors require a 12 hour restriction?

Answer 5

1. Local or regional anesthesia
2. Alcohol
3. Immunizations
4. Simulator sickness (begins after full recovery)

Question 6

Which factor requires a 6 hour restriction?

Answer 6

Centrifuge runs

Question 7

What is the publication for aeromedical training for flight personnel?

Answer 7

TC 3-04.93

Aeromedical Training for Flight Personnel

Question 8

Types of Hypoxia

Answer 8

Hypoxic, Hypemic, Stagnant, Histotoxic

Question 9

Hypoxic Hypoxia

Answer 9

Lack of O2 in the air or lack of air pressure to diffuse O2 from lungs to bloodstream

Question 10

Hypemic Hypoxia

Answer 10

Reduction in O2 carrying capacity of blood

e.g. anemia, blood loss

Question 11

Stagnant Hypoxia

Answer 11

Inadequate blood circulation

e.g. pinched blood vessels, extreme Gs

Question 12

Histotoxic Hypoxia

Answer 12

Interference in use of O2 by body tissues

e.g. alcohol, narcotics, cyanide

Question 13

Stages of Hypoxia

and Associated Altitudes

Answer 13

1. Indifferent (90-98%): 0-10K’
2. Compensatory (80-89%): 10-15K’
3. Disturbance (70-79%): 15-20K’
4. Critical (60-69%): 20K’ and up

Question 14

Symptoms of Indifferent Stage

Answer 14

Decreased night vision at 4,000’ MSL

Question 15

Symptoms of Compensatory Stage

Answer 15

1. Drowsiness
2. Poor judgement
3. Impaired coordination and efficiency

Question 16

Symptoms of Disturbance Stage

Answer 16

1. Impaired flight control, handwriting, speech, brain function, and judgement
2. Decreased coordination, memory, and pain sensation

Question 17

Symptoms of Critical Stage

Answer 17

1. Circulatory and nervous system failure
2. Convulsions
3. Cardiovascular collapse
4. Death

Question 18

Supplemental Oxygen Requirements

Unpressurized Cabin

Answer 18

10,000’ MSL for one hour
12,000’ MSL for 30 min
14,000’ MSL for anytime

Question 19

Treatment of Hypoxia

Answer 19

1. Giving individual 100% O2

2. Descending below 10,000’ MSL

Question 20

Signs of Hypoxia

Objective

Answer 20

1. Hyperventilation
2. Cyanosis
3. Mental Confusion
4. Poor judgement
5. Lack of muscle coordination

Question 21

Symptoms of Hypoxia

Subjective

Answer 21

1. Increased breathing rate
2. Apprehension
3. Fatigue
4. Headache
5. Dizziness
6. Hot and cold flashes
7. Denial
8. Euphoria
9. Belligerence
10. Blurred vision
11. Tunnel vision
12. Numbness
13. Tingling

Question 22

Spatial Disorientation

Answer 22

The erroneous perception of position, attitude, or motion in relation to the gravitational vertical and the Earth’s surface.