Human Performance

How does hypoxia impact night vision?

• AAt 500 ft.
• BLess than day vision
• CAnd causes the autokinetic phenomena.

What is the volume percentage of oxygen in the atmosphere, which is 21%?

• AIs constant for all altitudes conventional airplanes can reach
• BDecreases with increasing altitude
• CIncreases with increasing altitude

How is oxygen, when combined with hemoglobin in the blood, transported?

• APlatelets
• BRed blood cells
• CWhite blood cells