Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 12, Problem 14RQ
What type of glial cell provides myelin for the axons in a tract?
- oligodendrocyte
- astrocyte
- Schwann cell
- satellite cell
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Chapter 12 Solutions
Anatomy & Physiology
Ch. 12 - In 2003, the Nobel Prize in Physiology or Medicine...Ch. 12 - Visit this site...Ch. 12 - Visit this site...Ch. 12 - View the University of Michigan Webscope...Ch. 12 - What happens across the membrane of an...Ch. 12 - Visit this site...Ch. 12 - Watch this video...Ch. 12 - Watch this video...Ch. 12 - Which of the following cavities contains a...Ch. 12 - Which structure predominates in the white matter...
Ch. 12 - Which part of a neuron transmits an electrical...Ch. 12 - Which term describes a bundle of axons in the...Ch. 12 - Which functional division of the nervous system...Ch. 12 - What type of glial cell provides myelin for the...Ch. 12 - Which part of a neuron contains the nucleus?...Ch. 12 - Which of the following substances is least able to...Ch. 12 - What type of glial cell is the resident macrophage...Ch. 12 - What two types of macromolecules are the main...Ch. 12 - If a thermoreceptor is sensitive to temperature...Ch. 12 - Which of these locations is where the greatest...Ch. 12 - How long does all the signaling through the...Ch. 12 - What is the target of an upper motor neuron?...Ch. 12 - What ion enters a neuron causing depolarization of...Ch. 12 - Voltage-gated Na+ channels open upon leaching what...Ch. 12 - What does a ligand-gated channel require in order...Ch. 12 - What does a mechanically gated channel respond to?...Ch. 12 - Which of the following voltages would most likely...Ch. 12 - Which of the following is probably going to...Ch. 12 - How much of a change in the membrane potential is...Ch. 12 - A channel opens on a postsynaptic membrane that...Ch. 12 - What neurotransmitter is released at the...Ch. 12 - What type of receptor requires an effector protein...Ch. 12 - Which of the following neurotransmitters is...Ch. 12 - What responses are generated by the nervous system...Ch. 12 - When eating food, what anatomical and functional...Ch. 12 - Multiple sclerosis is a demyelinating disease...Ch. 12 - Which type of neuron, based on its shape, is best...Ch. 12 - Sensory fibers, or pathways, are referred to as...Ch. 12 - If a person has a motor disorder and cannot move...Ch. 12 - What does it mean for an action potential to be an...Ch. 12 - The conscious perception of pain is often delayed...Ch. 12 - If a postsynaptic cell has synapses from five...Ch. 12 - Why is the receptor the important element...
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- Place the following structures in the order that an electrical impulse would travel beginning with the post-synaptic membrane. Reset Dendrites Axon terminals Myelin sheath gap Neurosoma Axon hillock Internodal segment Terminal arborization 1 2 3 4 5 6 7arrow_forwardWhich of the following is not true of glial cells? They are more numerous than neurons. They transmit information. They have diverse functions in support of neurons. They can be a cause of brain tumors.arrow_forwardWhich cell type assists in the reuptake of a neurotransmitter, such GABA after released in the synapse? pyramidal cells ependymal cells glial cells oligodendrocytesarrow_forward
- Which is not true about axons? They arise from the cell body they send information to other cells they contain dendritic spines they recive information from other cellsarrow_forwardWhich of the following cells is NOT an example of glia? The cells in the central nervous system that make myelin Astrocytes Schwann cells Motor neurons Oligodendrocytesarrow_forwardWhich part of the neuron provides insulation for the neurons, to prevent the loss of charged ions from the nerve cell? glial cell cell body myelin sheath dendrite axonarrow_forward
- View an electron micrograph of a cross-section of a myelinated nerve fiber image below. The axon contains microtubules and neurofilaments, bounded by a plasma membrane known as the axolemma. Outside the plasma membrane of the axon is the myelin sheath, which is composed of the tightly wrapped plasma membrane of a Schwann cell. What aspects of the cells in this image react with the stain that makes them the deep, dark, black color, such as the multiple layers that are the myelin sheath?arrow_forwardWhat is the term used to describe the rounded lump located at the end of the axon? synapses receptor sites terminal button O synaptic vesiclesarrow_forwardThe blood brain barrier can be attributed primarily to which cell type? Tight junction between Smooth muscle cells of the vasculature wall Tight junction between astrocytes Gap junction between glial cells O Tight junction between Endothelial cellsarrow_forward
- Which of the following best describes label 8? Axon terminal Dendrite Neuroglia Target cell Synaptic cleftarrow_forwardare the cells of the nervous system which remove nervous tissue that is no longer functional. OEpendymal cells Oligodendrocytes Microglial cells Astrocytesarrow_forwardStellate cells initially process sensory input to the cortex, whereas pyramidal cells send fibers from the cortex to terminate on efferent motor neurons. (True or false)arrow_forward
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