Extra Nerves Flashcards
1
Q
How does temperature increase transmission?
A
Increases kinetic energy, which makes the rate of diffusion faster.
2
Q
Why does a unmuelinated axon use more ATP?
A
As ATP needed to power the pumps along the whole axon and active transport of ions
3
Q
Why does axon diameter increase the speed of conduction?
A
Less resistance to ion flow, so the ions can flow faster
4
Q
How is the action potential reversed when an action potential is produced?
A
NA+ channels open and NA+ diffuse in
5
Q
What is acetylcholine broken down into?
A
Choline and ethanoic acid
6
Q
What inhibits acetylcholinesterase?
A
Organophosphorus insecticides
7
Q
What are the two types of summation?
A
Temporal and Spatial
8
Q
Name when one channel opens, causing the rest to open.
A
Local circuits
