12 REVIEW Check Your Understanding Critical Thinking and Application Questions Y

Question

12 REVIEW Check Your Understanding Critical Thinking and Application Questions You are examining a neuronal process and you find that it generates action potentials. Is this an axon or a dendrite? How can you tell? 1 12 2 You are examining another neuron, and find that it has two processes both of which generate action potentials. What is the structural class of this neuron? How did you come to this conclusion? A damaged axon in the PNS may be able to regenerate only if the cell body is intact. Why do you think that the cell body must be intact for regeneration to occur? (Hint: Think about the function of the organelles and other structures located in the cell body) 3

Explanation / Answer

1. It is an axon. Because dendrites are only for transmitting the impulse and these cannot produced action potential. Only axon can produce action potential.

2. It is a bipolar neuron. There are 3 types of neurons based on the number of processes emerging.

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