Ryanair Initial Practice Exam

What is the effect of decreasing oxygen supply to the brain for an extended period?

1. Improved cognitive function

2. Brain Damage

3. Heightened senses

4. Enhanced memory

The correct answer is: Brain Damage

Decreasing the oxygen supply to the brain for an extended period specifically leads to brain damage. The brain is highly sensitive to changes in oxygen levels, and without sufficient oxygen, brain cells can begin to suffer injury and ultimately die. This can result in various cognitive deficits, loss of motor function, or more severe outcomes, depending on the duration and severity of the oxygen deprivation. Prolonged hypoxia (low oxygen levels) can lead to irreversible damage, significantly affecting a person's overall neurological health and function. In contrast, the other options imply improvements or enhancements in cognitive abilities or sensory perception, which do not occur in the face of oxygen deprivation. Instead, the condition will lead to detrimental effects rather than any kind of enhancement. Thus, the identification of brain damage as the effect is well-founded based on the known impacts of hypoxia on brain physiology.