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Unformatted text preview: 4. Ether causes the threshold stimulus to go up, but it takes a long time for the nerve to return to normal. Therefore, you lose all basic motor function. Curare does not cause a single nerve to lose an electrical impulse, rather it cause subsequent nerves to lose the impulse. The effect of curare is that it paralyzes an organism (prey) by blocking the flow of electrical impulses between neurons. Lidocaine increases threshold stimulus so it prevents the membrane from losing an Action Potential. This is done for its anesthetic effects to relieve pain. 5. See attached sheet...
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- Fall '06
- Van Sciver