Which of the following is an indication of hypoxic hypoxia?

Hypoxic hypoxia occurs when there is insufficient oxygen available for the body to meet its needs, despite an adequate supply of blood flow. This type of hypoxia is most commonly associated with increased altitude, where the atmospheric pressure drops and, as a result, the partial pressure of oxygen decreases. As altitude increases, the amount of oxygen in the air becomes lower, leading to reduced oxygen availability for the body.

At high altitudes, pilots can experience symptoms of hypoxia due to this lack of oxygen, such as dizziness, fatigue, and impaired cognitive function. It's critical for pilots to be aware of this condition, as it can significantly impact their ability to operate an aircraft safely. Understanding that hypoxic hypoxia is primarily related to altitude helps underscore the importance of oxygen management in aviation, especially during operations at higher elevations.