Human Factors

Question 1

How can hyperventilating be reversed?

Answer 1

• Breathing into a paper bag
• Breath at a normal rate; controlled breathing

Question 2

How can you assist a passenger who’s suffering from motion sickness?

Answer 2

• Have them loosen tight clothing
• Open air vents
• Use supplemental O2
• Keep eyes on a point outside the airplane
• Cancel the flight ASAP

Question 3

What’s the recommended scuba diving regulation for avoiding flying?

Answer 3

Flights below 8,000’MSL
- Wait 12 hrs if non-controlled (no decompression stops)
- Wait 24 hrs if controlled diving

Flights above 8,000’MSL
- Wait 24hrs regardless if diving was controlled or un-controlled

Question 4

What is most common cause of hypemic hypoxia?

Answer 4

• Smoking is the most common cause of hypemic hypoxia next to carbon monoxide poisoning
• Smokers are more susceptible to hypoxia at lower altitudes than non-smokers

Question 5

What are some causes of stagnant hypoxia?

Answer 5

This occurs when there is inadequate blood flow to the tissues. Causes can be:
- prolonged positive breathing
- excessive G forces
- heart failure
- shock

Question 6

What are some signs and symptoms of hypoxia?

Answer 6

Signs
- Rapid Breathing
- Cyanosis
- Poor Coordination
- Lethargy
- Poor Judgement
- Sweating
- Trembling
- Muscel Spasm

Symptoms
- Air hunger
- Fatigue
- Nausea
- Headache
- Dizziness
- Hot/Cold flashes
- Tingling
- Visual Impairment
- Euphoria