10 11 2 12 True or false: at the axon terminal, voltage gated sodium channels open, directly causing the release of neurotransmitters into the synaptic cleft. True False 00000 Assuming action potential starts at its usual location, what prevents an action potential from traveling backwards when going down an axon? only one action potential is occurring at a time the opening of voltage gated potassium channels the closing of voltage gated sodium channels the inactivation of voltage gated sodium channels the presence of myelin sheaths Where do you expect to find voltage-gated calcium channels? at the axon hillock 0000 at the axon terminal on the postsynaptic cell in the nodes of ranvier in dendrites
10 11 2 12 True or false: at the axon terminal, voltage gated sodium channels open, directly causing the release of neurotransmitters into the synaptic cleft. True False 00000 Assuming action potential starts at its usual location, what prevents an action potential from traveling backwards when going down an axon? only one action potential is occurring at a time the opening of voltage gated potassium channels the closing of voltage gated sodium channels the inactivation of voltage gated sodium channels the presence of myelin sheaths Where do you expect to find voltage-gated calcium channels? at the axon hillock 0000 at the axon terminal on the postsynaptic cell in the nodes of ranvier in dendrites
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:10
11
2
12
True or false: at the axon terminal, voltage gated sodium channels open, directly causing the release of neurotransmitters into the synaptic cleft.
True
False
00000
Assuming action potential starts at its usual location, what prevents an action potential from traveling backwards when going down an axon?
only one action potential is occurring at a time
the opening of voltage gated potassium channels
the closing of voltage gated sodium channels
the inactivation of voltage gated sodium channels
the presence of myelin sheaths
Where do you expect to find voltage-gated calcium channels?
at the axon hillock
0000
at the axon terminal
on the postsynaptic cell
in the nodes of ranvier
in dendrites
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