Statistics Reveal That the Profile for Most Centenarians (People Aged

question 95

Multiple Choice

Statistics reveal that the profile for most centenarians (people aged 100 and older) looks unusual as compared with other older adults.What is the difference?

• A)These centenarians never married.
• B)These centenarians had a low rate of age-associated diseases.
• C)These centenarians were married more than once.
• D)These centenarians were millionaires.

Explain the mechanism of action potential initiation and propagation in neurons.

Recognize the structural and functional variations of neuronal networks across different species.

Identify factors that influence the resistance and speed of action potential propagation in axons.

Understand the role of interneurons and reflex arcs in motor control.

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Definitions:

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for quick action in emergencies; "fight or flight" response.

Parasympathetic Nervous System

A division of the autonomic nervous system responsible for conserving energy and promoting a state of calm and rest in the body.

Glial Cells

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

Brain's Cells

Cells in the brain, including neurons that transmit nerve impulses and glial cells that support and protect neurons.