Action Potentials Travel Swiftly Down

question 165

Multiple Choice

Action potentials travel swiftly down:

• A) axons with myelin and more slowly in axons without myelin.
• B) axons without myelin and more slowly in axons with myelin.
• C) dendrites with myelin and more slowly in dendrites without myelin.
• D) dendrites without myelin and more slowly in dendrites with myelin.

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Definitions:

Evolutionary Theories

A set of principles that explains how biological organisms have changed over time due to processes such as natural selection and genetic drift.

Charles Darwin

A naturalist known for his contributions to the science of evolution and natural selection.

Structuralism

An early school of psychology that used introspection to explore the elemental structure of the human mind, emphasizing the analysis of immediate experiences into basic elements.

Phrenology

A now-discredited theory that suggested the shape and size of the human skull could be used to determine personality traits and mental abilities.