A Toxin That Binds Specifically to Voltage-Gated Sodium Channels in Axons

question 26

Multiple Choice

A toxin that binds specifically to voltage-gated sodium channels in axons would be expected to

• A) prevent the hyperpolarization phase of the action potential.
• B) prevent the depolarization phase of the action potential.
• C) prevent graded potentials.
• D) increase the release of neurotransmitter molecules.
• E) have most of its effects on the dendritic region of a neuron.

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Definitions:

Deep Ecology

A philosophy that promotes the inherent worth of living beings regardless of their instrumental utility to human needs, deeply questioning mainstream environmentalism's emphasis on resource management.

Inherent Value

The intrinsic worth of something, not based on its utility to humans, often referenced in environmental ethics and conservation.

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The abundance of physical, tangible assets and resources that an individual or society possesses, often considered an indicator of economic well-being.

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A worldview or philosophy that regards humans as the dominant species responsible for managing Earth's resources for maximum benefit.