Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 43, Problem 4TY
The white matter of the CNS is composed of
- a. dendrites.
- b. unmyelinated axons.
- c. myelinated axons.
- d. cell bodies.
- e. a and b only.
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The supporting cells that form myelin sheaths in the peripheral nervous system area. oligodendrocytes b.satellite cells. c.Schwann cells. d.astrocytes. e.microglia.
Chapter 43 Solutions
Biology
Ch. 43.1 - Core Skill: Connections Nervous systems are one of...Ch. 43.1 - Scientists have determined that the brain mass of...Ch. 43.2 - Prob. 1CCCh. 43.2 - Prob. 2CCCh. 43.2 - Prob. 3CCCh. 43.3 - Core Skill: Modeling The goal of this modeling...Ch. 43.3 - What was the hypothesis proposed by Gaser and...Ch. 43.3 - Prob. 2EQCh. 43.3 - CoreSKILL Based on the results described here and...Ch. 43 - A nerve net consists of a. bilateral neurons that...
Ch. 43 - Prob. 2TYCh. 43 - Prob. 3TYCh. 43 - The white matter of the CNS is composed of a....Ch. 43 - Prob. 5TYCh. 43 - Prob. 6TYCh. 43 - Prob. 7TYCh. 43 - Prob. 8TYCh. 43 - In humans, the ______ blank hemisphere of the...Ch. 43 - ______ blank is a progressive disease that causes...Ch. 43 - Prob. 1CQCh. 43 - Prob. 2CQCh. 43 - Core Concept: Systems New properties of life...Ch. 43 - Discuss how the two parts of the nervous system of...Ch. 43 - List the three major divisions of the brain of...
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- Gray matter contains primarilya. myelinated fibers. c. Schwann cells.b. neuron cell bodies. d. oligodendrocytesarrow_forwardGlial cells that are phagocytic within the central nervous system area. oligodendrocytes. d. astrocytes.b. microglia. e. Schwann cells.c. ependymal cells.arrow_forwardWhich of the following is/are found only in the PNS? a. Nerves b. Astrocytes c. Myelin d. Lipofuscin e. Unmyelinated axonsarrow_forward
- White matter is , and gray matter is . a. comprised of axons; comprised of cell bodies and dendrites b. myelinated; unmyelinated c. found in the CNS; also found in the CNS d. All of the choices are correct.arrow_forwardOligodendrocytes and Schwann cells generate a fatty substance known as a. glial. c. myelin. b. soma. d. neurilemma.arrow_forwardThe junction between the axon of one cell and the dendrite of another is calleda. neurilemma.b. myelin.c. synaptic cleft.d. nodes of Ranvier.arrow_forward
- At an electrical synapse, presynaptic and postsynaptic membranes interface through a. neurofibril nodes. b. gap junctions. c. telodendria. d. neurotransmitters.arrow_forwardThe integrative functions of the nervous system are performed mainly bya. afferent neurons.b. efferent neurons.c. neuroglia.d. sensory neurons.e. interneurons.arrow_forwardWhich of the following is not a part of the periphrial nervous system (PNS)? a.somatic nervous system b.autonomic nervous system c.sensory neurons d. motor neurons e. spinal cordarrow_forward
- Mark the following statements as true of false. If a statement is false, correct it to make a true statement. a. Ependymal cells regulate the composition and movement of cerebrospinal fluid. b. Schwann cells make myelin in the peripheral nervous system c. Microglia are neuroglial cells with an immune function. d. Oligodendrocytes repair damaged axons in the peripheral nervous system. e. Astrocytes regulate the extracellular environment of the brain and are key components of the blood-brain barrier. f. Oligodendrocytes and Schwann cells perform similar functions in different parts of the nervous system.arrow_forwardTo separate the brainstem from the rest of the brain, a cut would haveto be made between thea. medulla oblongata and pons.b. pons and midbrain.c. midbrain and diencephalon.d. thalamus and cerebrum.e. medulla oblongata and spinal cordarrow_forwardThe outermost connective tissue wrapping of a nerve is called thea. epineurium.b. perineurium.c. endoneurium.d. arachnoid mater.e. dura mater.arrow_forward
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