Which of the Following Physiological Changes Is Responsible for Presbyopia

question 5

Multiple Choice

Which of the following physiological changes is responsible for presbyopia?

• A)Degeneration of the cornea
• B)Loss of lens elasticity
• C)Decreased adaptation to darkness
• D)Decreased distance vision abilities

---

Definitions:

Multiple Sclerosis

An autoimmune disease affecting the brain and spinal cord, characterized by damage to the myelin sheath that disrupts communication between the brain and the body.

Amygdala

A part of the brain within the temporal lobe that plays key roles in processing emotions such as fear, anger, and pleasure.

Endorphins

Naturally occurring peptides in the brain that act as neurotransmitters to reduce the perception of pain and can induce feelings of pleasure or euphoria.

Glial Cells

Non-neuronal cells in the nervous system that support, protect, and provide a scaffold for neurons.