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 17RQ
What type of glial cell is the resident macrophage behind the blood-brain barrier?
- microglia
- astrocyte
- Schwann cell
- satellite cell
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Why do Schwann cells insulate nerves?
Fill in the blanks: Neuroglial cells make up about ___________the mass of the brain and are about ___________ times ___________ abundant than neurons in the brain and spinal cord.
Connects neurons to blood capillaries and help to exchange nutrients, oxygen, carbon dioxide, etc, between the blood capillary and neuron forming the blood-brain barrier.
Select one:
-Oligodendrocytes
-Microglia
-Ependymal cells
-Schwann cells
-Astrocytes
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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- Discuss the function of each of the following: astrocytes, oligodendrocytes, ependymal cells, in icroglia, cranium, vertebral column, meninges, cerebrospinal fluid, and blood—brain barrier.arrow_forwardGray matter consists of... cell bodies, dendrites, and unmyelinated axons myelinated axons unmyelinated axons myelinated cell bodies, dendrites, and axonsarrow_forwardMr. Harrison is an 82-year-old bedridden gentleman who has discovered a new interest in learning about his body. While being tended by the visiting nurse, he remarks that the supporting cells in nervous tissue (such as Schwann cells and oligodendrocytes) act like the rubber coating around household wiring. What does he mean by this analogy?arrow_forward
- move cerebrospinal fluid, options in the imagearrow_forwardWhite matter is best described by which of the following? It consists of neuron cell bodies, neuroglia, and unmyelinated nerve fibers. It consists of myelinated fibers. It is found in the periphery of the brain. O It is found in the center of the spinal cord.arrow_forwardBrain tumors are usually Glial Cell tumors? Do you know why? But first you must know what Glial cells are.arrow_forward
- What is the role of glial cells in the brain and other parts of the nervous system?arrow_forwardWhich of the following statements best describes the structure of the blood-brain barrier that provides its functional characteristics? Group of answer choices Processes of astrocytes wrap tightly around capillaries in the brain Tight junctions tightly seal endothelial cells of capillaries in the brain Gap junctions tightly seal endothelial cells of capillaries in the brain Spot desmosomes tightly link capillary endothelial cells together The basement membrane of the capillaries in the brain contains extremely small poresarrow_forwardA new drug is developed that prevents the demyelination occurring in the progress of multiple sclerosis. The drug protects the cells responsible for the synthesis and maintenance of myelin in the central nervous system. These cells are most likely which of the following? (A) Astrocyte (B) Ependymal cell (C) Microglial cell Oligodendrocyte (E) Schwann cellarrow_forward
- How does the extended length of a neuron’s processes aid its function in the body?arrow_forwardA) The neuron labelled "D" in the figure is what class of functional neuron?: 3rd-order? lower motor neurone? upper motor neurone? 2nd-order? bipolar? unipolar? B) The message in the pleural pathway in figure 3 comes from the: occipital lobe? skeletal muscle? somatosensoty cortex? temporal lobe? receptors? parietal lobe? frontal lobe? C) Damage to this structure in the figure would affect the ability to move your RIGHT leg: A, B, C, D, E, F, Garrow_forwardWhat function do unipolar neurons provide and where is their cell body found? They are motor neurons with their cell body in the central nervous system They are sensory neurons with their cell body located in the central nervous system They are motor neurons with their cell body located outside of the central nervous system They are sensory neurons with their cell body located outside of the central nervous systemarrow_forward
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