Questions: Name a noticeable sign of normal aging in the nervous system.

The answer is the second one (B): Increased memory loss.

Explanation for each option:

• Increased response of reflexes: This is incorrect. Normal aging in the nervous system typically results in a decreased response of reflexes, not an increased one.
• Increased memory loss: This is correct. Memory loss is a common and noticeable sign of normal aging in the nervous system. It can manifest as difficulty in recalling names, dates, or recent events.
• Increased occurrence of hallucinations: This is incorrect. Hallucinations are not a normal sign of aging in the nervous system and are usually associated with specific medical conditions or disorders.
• Prey: This option is unclear and does not relate to the context of the question.

Summary: A noticeable sign of normal aging in the nervous system is increased memory loss.