1. Label the parts of this neuron: 3
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:1. Label the parts of this neuron:
2. Explain the function of each component in #1.
3. Mark the following statements as TRUE or FALSE:
An action potential is something that only occurs at synapses.
Afferent pathways send sensory information to the CNS for processing.
When they are at rest, neurons are more positively charged inside than outside
the cell.
FALSE
Action potentials originate at the axon terminal and move towards the dendrites.
An action potential travels down the length of the neuron with the help of
voltage-gated calcium channels.
Neurons can only have one action potential and must be recycled by glia once
they have depolarized.
At axon terminals, calcium influx stimulates vesicle release.
Ligand-gated ion channels open in response to a molecule binding to them.
4. For each FALSE statement in #3, explain why it is incorrect.
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