Physio Ex 9.0, Activity 3 Questions 5-9

Which exercise.

Exercise 3, activity 7

It is not checked for accuracy but here

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Activity 7.

1. How did the conduction velocity in the B fiber compare with that in the A fiber?
The B fiber will react slower since it is less mylinated.

2. How did the conduction velocity in the C fiber compare with that in the B fiber?
The velocity of the B fiber was slower because it had a smaller diameter and less myelinated.

3. What is the effect of axon diameter on conduction velocity?
Increases in axon diameter increase conduction velocity.

4. What is the effect of the amount of myelination on conduction velocity?
The amount of myelination affects the conduction velocity by more myelination the better the conduction velocity.

5. Why did you need to change the timescale on the oscilloscope for each axon?
You wouldn’t be able to see the action potential if the times stayed the same