What would NOT be a symptom of hypoxia?

Hypoxia refers to a deficiency in the amount of oxygen reaching the tissues, which can lead to various physiological responses in the body. Enhanced cognitive function would not be a symptom of hypoxia because, in situations where oxygen is limited, cognitive abilities typically decline rather than improve. The brain is highly sensitive to oxygen levels, and insufficient oxygen can result in confusion, poor concentration, and decreased mental performance.

In contrast, drowsiness, increased heart rate, and shortness of breath are common physiological responses to hypoxia. Drowsiness may occur as the body's response to decreased energy levels, while increased heart rate is a compensatory mechanism to enhance oxygen delivery to tissues. Shortness of breath develops as the body attempts to intake more oxygen to address the deficit. Hence, it is clear that enhanced cognitive function does not align with the symptoms generally associated with a hypoxic state.