Physiology Of Flight Flashcards
What is atmosphere
Oxygen, carbon dioxide, rain,
Effects of altitude on temperature
As altitude increases, temp decreases
How high can a person survive
10,000ft
Cabin altitude
Around 5000 feet
How does aircraft pressurisation work
Air from the engines is pumped through air conditioning packs and up into the cabin
Hypoxia definition
Reduced oxygen
Hypoxia contributing causes
Heart conditions, respiratory illness,blood disorders, heavy smokers and drug and alcohol uses
Symptoms of hypoxia
Breathless, sleepiness, difficulty in concentrating, indifference,unwarranted self confidence, increased pulse rate
Hypoxia visible signs
Blue lips and finger tips
Effects of pressure changes
Trapped gases expand or extract with cabin pressure
Where can gas be trapped
Ears,sinuses,abdomen, teeth
Decompression sickness symptom
Joint pain, chest pain,visual impairment,mental impairment,collapse
Types of decompression
Explosive, sudden, gradual