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9 Cards in this Set
- Front
- Back
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At rest, the voltage gated sodium channel is (open/closed)
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closed
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___ transport depolarizes and ___ transport depolarizes
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Na, K
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LA (irreversibly/reversibly) blocks nerve conduction
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reversibly
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LA binds near (extra/intra)cellular side of channel
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intra
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Resting channels have (higher/lower) affinity for LA
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lower
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(myelinated/non-myelinated) fibers are more sensitive to LA
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myelinated
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With LA, which sensation is lost first and last?
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first lost, pain
last lost, motor (except in large mixed nerve bundles where motor nerves may be on outside) |
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T or F, the non-protonated form of LA crosses membrane
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T
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The (anionic/cationic) form of LA blocks the Na channel
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cationic
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