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 4, Problem 27RQ
Which of the following central nervous system cells regulate ions, regulate the uptake and/or breakdown of some neurotransmitters, and contribute to the formation of the blood-brain barrier?
- microglia
- neuroglia
- oligodendrocytes
- astrocytes
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Chapter 4 Solutions
Anatomy & Physiology
Ch. 4 - View this slideshow...Ch. 4 - Watch this video...Ch. 4 - Visit this link...Ch. 4 - Watch this video...Ch. 4 - Follow this link...Ch. 4 - Watch this video...Ch. 4 - Watch this video...Ch. 4 - Which of the following is not a type of tissue?...Ch. 4 - The process by which a less specialized cell...Ch. 4 - Differentiated cells in a developing embryo derive...
Ch. 4 - Which of the following lines the body cavities...Ch. 4 - In observing epithelial cells under a microscope,...Ch. 4 - Which of the following is the epithelial tissue...Ch. 4 - Which type of epithelial tissue specializes in...Ch. 4 - The ________ exocrine gland stores its secretion...Ch. 4 - Connective tissue is made of which three essential...Ch. 4 - Under the microscope, a tissue specimen shows...Ch. 4 - Which connective tissue specializes in storage of...Ch. 4 - Ligaments connect bones together and withstand a...Ch. 4 - In adults, new connective tissue cells originate...Ch. 4 - In bone, the main cells are ________. fibroblasts...Ch. 4 - Striations, cylindrical cells, and multiple nuclei...Ch. 4 - The cells of muscles, myocytes, develop from...Ch. 4 - Skeletal muscle is composed of very hard working...Ch. 4 - The cells responsible for the transmission of the...Ch. 4 - The nerve impulse travels down a(n) ________, away...Ch. 4 - Which of the following central nervous system...Ch. 4 - Which of the following processes is not a cardinal...Ch. 4 - When a mast cell reacts to an irritation, which of...Ch. 4 - Atrophy refers to ________. loss of elasticity...Ch. 4 - Individuals can slow the rate of aging by...Ch. 4 - Identify the four types of tissue in the body, and...Ch. 4 - The zygote is described as totipotent because it...Ch. 4 - What is the function of synovial membranes?Ch. 4 - The structure of a tissue usually is optimized for...Ch. 4 - One of the main functions of connective tissue is...Ch. 4 - Why does an injury to cartilage, especially...Ch. 4 - You are watching cells in a dish spontaneously...Ch. 4 - Why does skeletal muscle look striated?Ch. 4 - Which morphological adaptations of neurons make...Ch. 4 - What are the functions of astrocytes?Ch. 4 - Why is it important to watch for increased...Ch. 4 - Aspirin is a non-steroidal anti-inflammatory drug...Ch. 4 - As an individual ages, a constellation of symptoms...Ch. 4 - Discuss changes that occur in cells as a person...
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- are the cells of the nervous system which remove nervous tissue that is no longer functional. OEpendymal cells Oligodendrocytes Microglial cells Astrocytesarrow_forwardThe Purkinje cell is an example of this type of neuron. sensory neuron pyramidal neuron Oprincipal neuron Obipolar neuronarrow_forwardThe membrane of a neuron is vital to its ability to respond to signals from other neurons. Which of the following statements about this membrane is NOT accurate It ensures that the interior of the cell has a slightly positive charge at rest. It is selectively permeable, allowing ions to move in and out of the cell. It contains different types of specialized protein ion channels. It is made of two layers of lipids (fat molecules)arrow_forward
- All of the following are true for neurons EXCEPT neurons must produce many proteins neurons are electrically excitable cells neurons have a relatively high consumption of oxygen neurons undergo mitosisarrow_forwardThe neuron cell is made up of which of the following parts? Axon Dendrite Soma All of the abovearrow_forwardWhich of the following statements is not true about neurons? When there is no active nerve impulse, the concentration of Na+ ions outside of the cell is greater than inside the cell After a nerve impulse passes a region of the axon, that region will not be able to carry another impulse again for a brief period of time When a nerve impulse occurs, sodium channels in the axon open first, followed by potassium channels The inside of an axon is typically negatively charged compared to the outside of an axon The cell uses energy to actively pump Na+ ions into the axon and K+ ions out of the axon.arrow_forward
- Which cell type assists in the reuptake of a neurotransmitter, such GABA after released in the synapse? pyramidal cells ependymal cells glial cells oligodendrocytesarrow_forwardWhat two features characterize a Schwann cell, but not an oligodendrocyte? open cytoplasmic channels, present in CNS open cytoplasmic channels, single axon myelination no cytoplasmic channels, present in PNS no nuclei, multiple axon myelinationarrow_forwardThe above repolarization of a neuron will result in which of the following ionic currents? a potassium current will transport K+ ions out of the cytoplasm a sodium current will transport Na+ ions out of the cytoplasm a potassium current will transport K+ ions into the cytoplasm a sodium current will transport Na+ ions into the cytoplasm a sodium current will transport K+ ions into the cytoplasmarrow_forward
- Which of the following BEST explains the inside negative potential in resting neurons? sodium flows down its electrochemical gradient through sodium-selective channels that are open in resting neurons membrane transporters produce a large sodium concentration gradient by selectively accumulating sodium ions outside the cell the membrane of a resting neuron is more permeable to potassium ions than to other ions present a larger concentration of chloride ions are found inside the cell making the inside of the cell more negative compared to the outside of the cellarrow_forwardWhich of the following takes place during an action potential? Na+ ions exit the cell causing depolarization Repolarization occurs when K+ ions enter the cell The membrane becomes more negative during depolarization K+ ions start the action potentials Na+ enters the cell making the membrane potential positive.arrow_forwardNeuroglia or glial cell that produce myelin around axons of the central nervous system are known asarrow_forward
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