OCR General Certificate of Secondary Education (GCSE) Biology Practice Exam

What can result from treating problems in the nervous system?

1. Complete recovery

2. Permanent damage

3. Improvement with no side effects

4. Increased mental capacity

The correct answer is: Permanent damage

Treating problems in the nervous system can sometimes lead to permanent damage, especially in cases where the damage is extensive or the underlying condition is severe. The nervous system is complex and comprises a network of neurons that communicate messages throughout the body. When issues arise, such as injuries or diseases, the response to treatment may vary significantly depending on the severity and location of the problem. In some cases, treatments may not fully restore function or could lead to lasting impairments due to factors such as the ability of nerve cells to regenerate or the extent of the damage before treatment. Conditions like spinal cord injuries or neurodegenerative diseases may result in irreversible changes, making recovery challenging. While other options, like complete recovery or improvement without side effects, may occur in some instances, they are not guaranteed outcomes for every patient or condition. Similarly, increased mental capacity is not a typical result of treating nervous system issues; in fact, treatment often aims to stabilize or restore function rather than enhance it beyond pre-existing levels.