Ryanair Initial Practice Exam

What might be an insidious effect of hypoxia?

1. Increased heart rate

2. Impaired judgment

3. Loss of coordination

4. Enhanced focus

The correct answer is: Impaired judgment

Hypoxia, which refers to a deficiency in the amount of oxygen reaching the tissues, can have several subtle but significant effects on the body and brain. Impaired judgment stands out as a notable consequence of hypoxia. As oxygen levels decrease, cognitive function may be compromised, leading to difficulties in reasoning, decision-making, and reaction times. This impairment can develop gradually and may not be immediately apparent to the individual, making it particularly insidious. In aviation and high-altitude situations, where the ability to make sound decisions is crucial, impaired judgment can lead to serious safety risks. This cognitive decline can escalate without the individual realizing their cognitive capabilities are deteriorating, which can contribute to dangerous situations. Being unaware of their limitations can prevent them from taking appropriate actions to address the hypoxia or seek altitudinal relief. While increased heart rate, loss of coordination, and enhanced focus can occur as a result of hypoxia, these symptoms are often more immediate and recognizable compared to the gradual and less detectable decline in judgment.