The Speed at Which an Action Potential Could Travel Down

question 17

Multiple Choice

The speed at which an action potential could travel down the length of an axon would

• A)increase,if the axon's diameter were increased.
• B)decrease,if the neuron's cell body volume were decreased.
• C)increase,if the myelin sheath were removed from the axon.
• D)decrease,if the concentration of extracellular sodium were increased.

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Definitions:

Evolutionary Theorists

Specialists who study how living organisms evolve over time through natural selection and adaptation.

Constant Access

Unrestricted and ongoing availability of information or resources.

Adaptations To Conserve Energy

Physiological or behavioral changes that reduce energy expenditure in organisms, enhancing survival in their environment.

Sensory-specific Satiety

The reduced satisfaction and decreased desire to continue consuming the same food or drink, while other foods remain appealing.