Circulation, Respiration & Hypoxia

Question 1

Each passenger must be provided with supplemental oxygen for all of the time at which an unpressurised aircraft is operating above

A. 20000ft
B. 10000ft
C. 14000ft
D. 8000ft

Answer 1

C. 14000ft

Question 2

The symptoms of hyperventilation are

A. Quite similar to hypoxia
B. Quite different to hypoxia
C. A blue colouring of the lips and fingernails (cyanosis)
D. Profuse sweating

Answer 2

A. Quite similar to hypoxia

Question 3

A regular smoker at sea-level can be assumed to be at an effective altitude of

A. 2000ft
B. 5000ft
C. 8000ft
D. 10000ft

Answer 3

C. 8000ft

Question 4

A tingling feeling in the extremities is a symptom of

A. Hyperventilation
B. Carbon monoxide poisoning
C. Hypoxia
D. The bends

Answer 4

A. Hyperventilation

Question 5

What are the Times of Useful Consciousness at

FL200

FL300

FL400

FL500

Answer 5

FL200
10mins pilot / 20mins pax

FL300
1min pilot / 3mins pax

FL400
15sec pilot / 20sec pax

FL500
6sec pilot / 9sec pax