Which symptom is NOT typically associated with hypoxia?

Excessive energy is not typically associated with hypoxia, which refers to a deficiency of oxygen in the body. In situations of hypoxia, the body's cells do not receive enough oxygen to function effectively, leading to a range of symptoms as the brain and other organs begin to suffer from oxygen deprivation.

Under normal conditions, hypoxia commonly presents symptoms such as irritability, dizziness, and, at times, euphoria. Irritability can occur as cognitive functions begin to decline, causing frustration and anxiety. Dizziness is often a direct consequence of reduced cerebral oxygenation, leading to impaired balance and coordination. Euphoria may unexpectedly arise in some individuals as the brain struggles to cope with low oxygen levels, resulting in a temporary state of heightened mood despite the physiological distress.

Contrastingly, excessive energy is not a symptom of hypoxia. Instead, a person experiencing hypoxia would typically exhibit signs of fatigue or a decrease in overall energy levels due to inadequate oxygen supply, which affects physical performance and mental alertness. Thus, excessive energy stands out as the symptom that does not fit within the spectrum of typical responses to hypoxic conditions.