Which of the Following Biological Theories of Aging Emphasizes the Role

question 124

Multiple Choice

Which of the following biological theories of aging emphasizes the role of telomeres?

• A)Free-radical theory
• B)Cellular-clock theory
• C)Hormonal stress theory
• D)All of these

---

Definitions:

Cerebrospinal Fluid (CSF)

The fluid in the subarachnoid space of the meninges and the central canal of the spinal cord.

CNS

Central Nervous System; it comprises the brain and spinal cord, controlling most functions of the body and mind.

Cerebrospinal Fluid (CSF)

A clear, colorless body fluid found in the brain and spinal cord, playing a key role in cushioning the brain and removing waste.

Nasal Conchae

Structures that extend from the lateral walls of the nasal cavity.