Answered: The membrane voltage at the axon…

The membrane voltage at the axon hillock is not affected by_ O a. EPSPS b. temporal summation OC. spatial summation O d. IPSPS e. none of the above

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter41: Neural Signaling

Section: Chapter Questions

Problem 4TYU: Saltatory conduction (a) requires more energy than continuous conduction (b) occurs in unmyelinated...

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Question

The membrane voltage at the axon hillock is not affected by_
O a. EPSPS
b. temporal summation
OC. spatial summation
O d. IPSPS
e. none of the above

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Neurons contain ________, which can receive signals from other neurons. a. axons b. mitochondria c. dendrites d. Golgibodies
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Why are action potentials usually conducted in one direction?(A) Ions can flow along the axon in only one direction.(B) The brief refractory period prevents reopening of voltagegated Na+channels.(C) The axon hillock has a higher membrane potential thanthe terminals of the axon.(D) Voltage-gated channels for both Na+and K+open in onlyone direction.
When the action potential begins, Na+ gates open, allowing Na+ to cross the membrane. The charge difference across the axon membrane changes to a.negative outside and positive inside. b.positive outside and negative inside. c.neutral outside and positive inside. d.There is no difference in charge between outside and inside.
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