Inner layer of the atmoshere
Middle layer of the atmosphere
Outer layer of the atmosphere
About 78% oxygen
About 21% oxygen
About 78% CO
To transport carbon dioxide around the body
To expel unwanted carbolic acid
To transport oxygen around the body
A reduction in the respiration rate
An increase in the respiration rate
No change in the respiration rate
Increases oxygen demand and increases the degree of hypoxia
Increases blood flow and protects against hypoxia
Does not effect the susceptiblity to hypoxia
Such action might distract the pilot from the primary task of handling the aircraft
In a retractable undercarriage aircraft,it is possible to raise the undercarriage by mistake
Both of the above
Chemical changes in the retina
Chemical changes in the pupil.
The lens becomes progressively opaque
Has an average life of about 1 year
Cannot be demonstrated ever to be lost
Has an averagelife of 5 years
"It won't happen to me"
"I can do it"
"Don't tell me"
Increase with increasing altitude
Decrease with increasing altitude
Is unaffected by decreasing altitude
Absolutely no risk of collision
The least risk of collision
The greatest risk of collision