CPL Human Factors · Mock exam

A pilot suspects they are hyperventilating but cannot rule out hypoxia. Which action is MOST appropriate?

• A.Descend immediately as neither can be treated in flight
• B.Treat for both simultaneously by breathing 100% oxygen slowly and deliberately
• C.Treat for hyperventilation only; hypoxia is unlikely at low altitude
• D.Treat for hypoxia first by increasing oxygen flow; if no improvement, then treat for hyperventilation