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Lesson 6.2 Review and Assessment
Know and Understand
Name two behavioral properties of a nerve impulse.
Describe a neuron at rest compared to a neuron activated by a stimulus.
What has to happen before a cell membrane can respond to a second stimulus?
Do myelin sheaths slow down or speed up nerve impulses?
How does body temperature affect the conduction speed of an electrical impulse?
What are the two categories of reflexes? Name a body part that would be affected by each of the two types.
Analyze and Apply
How would submerging a person in a tub of cold water affect the conduction speeds of the person's nerve impulses?
Is conduction of nerve impulses always faster in axons with a larger diameter, compared to axons with a smaller diameter? Explain.
Aside from touching a hot surface, in what other circustances might a sensory receptor bypass the brain and stimulate an interneuron to instigate quick action?
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