Human performance

In relation to hypoxia, which of the following paraphrase(s) is (are) corre...

This is a physical condition caused...
This is a condition of lacking oxyg...
Hypoxia is often produced during st...

An overstressed pilot may show the following symptoms: 1. mental blocks, co...

1and 3 are correct, 2 and 4 are fal...
1, 2, 3 and 4 are correct
1, 2 and 3 are correct, 4 is false