Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Chapter 13, Problem 2RC
Summary Introduction
Introduction:
Many types of neuroglia are present in the central nervous system (CNS) as well as the peripheral nervous system (PNS). There are four types of neuroglia found in the CNS, namely, ependymal cells, astrocytes, oligodendrocytes, and microglia. PNS consists of two types of neuroglia, which are Schwann cell and satellite cell.
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A 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
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Match cells and function :
Oligodendrocyte , Astrocytes
1. .......................... enhances the velocity of electrical transmission of an action potential along an axon in the CNS.
2. .......................... glial cells act locally to maintain normal electrolyte composition of the cerebrospinal fluid.
Match the types of neuroglia to their functions. (1) ependymal cells (2) oligodendrocytes (3) astrocytes (4) Schwann cells (5) microglial cells A. form a myelin sheath around peripheral nerves B. phagocytize cellular debris and bacteria C. line inner parts of ventricles and spinal cord D. form scar tissue and regulate ion and nutrient concentrations in the CNS E. form a myelin sheath around neurons in the CNS
Chapter 13 Solutions
Human Anatomy (9th Edition)
Ch. 13 - Match each numbered item with the most closely...Ch. 13 - Prob. 2RFTCh. 13 - Prob. 3RFTCh. 13 - Match each numbered item with the most closely...Ch. 13 - Match each numbered item with the most closely...Ch. 13 - Match each numbered item with the most closely...Ch. 13 - Prob. 7RFTCh. 13 - Prob. 8RFTCh. 13 - Prob. 9RFTCh. 13 - Prob. 10RFT
Ch. 13 - 11. Which of the following is not a function of...Ch. 13 - Neuroglia found surrounding the cell bodies of...Ch. 13 - The most important function of the cell body of a...Ch. 13 - Fill in the blanks below with the proper...Ch. 13 - 15. Axons terminate in a series of fine extensions...Ch. 13 - Prob. 16RFTCh. 13 - Prob. 1RCCh. 13 - Prob. 2RCCh. 13 - 3. Developmental problems in the growth and...Ch. 13 - Prob. 4RCCh. 13 - How does exteroceptor activity differ from...Ch. 13 - Prob. 6RCCh. 13 - Prob. 7RCCh. 13 - Prob. 8RCCh. 13 - Prob. 9RCCh. 13 - Prob. 10RCCh. 13 - Prob. 1CTCh. 13 - Prob. 2CTCh. 13 - Prob. 3CT
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- 15) The concentration of ions in the chemical environment surrounding the neurons must be tightly regulated for neurons to function properly. Which of the following cells is most responsible for this? a) astrocytes b) Schwann cells c) oligodendrocytes d) satellite cellsarrow_forwardAn injury to the nervous system prevents the body from calming down, which results in nervousness and hyperactivity. Which division of the nervous system was damaged by the injury? a) Central b)Sympathetic c)Sensory somatic d) Parasympatheticarrow_forward51) the somatic and autonomic nervous system differ in all of the following except......? a) target organ responses to their neurotransmitter b) their effectors c) regulation of activity by higher brain centers d) their efferent pathways and gangliaarrow_forward
- What type of cells serve the needs of delicate neurons by bracing and protecting them? Are they capable of generating and transmitting nerve impulses? A. ganglia, no B. ganglia, yes C. neuroglia, yes D. neuroglia, no What type of cells myelinate the cytoplasmic extensions of neurons? A. oligodendrocytes and schwann cells B. microglial cells C. astrocytes D. ependymal cells Which structural classification of neurons has only one very short process that extends from the cell body and divides into peripheral and central processes? A. anaxonic neurons B. multipolar neurons C. unipolar neurons D. bipolar neuronsarrow_forward2) myelin sheaths are axons located within the central nervous system are formed by which of the following? a) oligodendrocytes b) microglia c) Schwann cells d) Astrocytesarrow_forwarda) How does E allow faster transmission of signals? b) What would happen if G has a lack of Calcium? c) Most neurons have the style of junction (chemical) shown in the diagram, rather than gap (electrical) junctions. Why does this make sense?arrow_forward
- Neurons typically receive information at structures called Question 1 options: A) Myelin B) Dendrites C) Neuroglia D) Axons E) Axon hillocksarrow_forwardRegulation by the nervous system provides, (a) relatively slow but long-lasting responses to stimuli. (b) swift, long-lasting responses to stimuli. (c) swift but brief responses to stimuli. (d) relatively slow, short-lived responses to stimuli.arrow_forwardNeurons have an electrical charge across their membranes called the resting potential when they are not being stimulated, From inside this potential has................charged. When a neuron receives a sufficiently large stimulus, and reaches a potential called the….…..…... ‚it produces an action potential. This causes the neuron to become.................charged inside.arrow_forward
- fill in the blank ...............is the most common neurotransmitter in the peripheral nervous systemarrow_forwardwhich of the following cells found in the glial scar are permissive to axonal regeneration? a) microglia b) astrocytes c) oligodendrocytes d) oligodendrocytes precursor cellsarrow_forwardGanglia are ... a) ... collections of nerve cell bodies outside the CNS b) ... part of a nerve cell c) ... the connection between two nerve cells d) ... collections of nerve fibers in the CNS e) ... a type of glial cells in the brainarrow_forward
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