Information Is Transmitted Along the Axon

question 163

Multiple Choice

Information is transmitted along the axon:

• A) by glial cells.
• B) at the speed of light, or 186,000 miles per second.
• C) in the form of a brief electrical impulse.
• D) by chemical substances called neurotransmitters.

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Muscle Spindle

Three to 10 specialized muscle fibers supplied by gamma motor neurons and wrapped in sensory nerve endings; detects stretch of the muscle and is involved in maintaining muscle tone.

Reflex Arc

A neural pathway that mediates an immediate response to a stimulus without conscious brain involvement.

Interneuron

A type of neuron that serves as a relay or link between sensory and motor neurons within the central nervous system.

Central Nervous System

The part of the nervous system that includes the brain and spinal cord, responsible for processing and sending out neural signals.