MS is a disabling disease that disrupts the communication between the brain and the body when the immune system attacks the protective sheaths (myelin) of the axons. Which cells are likely involved in this process? Select one or more: O a. Astrocytes оь. Вірolar cells O. Oligodendrocytes d. Schwann cells ое. Microglia f. Dendrites O g. Astroglia

MS is a disabling disease that disrupts the communication between the brain and the body when the immune system attacks the protective sheaths (myelin) of the axons. Which cells are likely involved in this process? Select one or more: O a. Astrocytes оь. Вірolar cells O. Oligodendrocytes d. Schwann cells ое. Microglia f. Dendrites O g. Astroglia

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: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

Chapter4: The Tissue Level Of Organization

Section: Chapter Questions

Problem 25RQ: The cells responsible for the transmission of the nerve impulse are ________. neurons...

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Multiple sclerosis is a neurodegenerative disease in which the body’s immune system attacks and breaks down the white matter in the nervous system. A. What is another word (other than “white matter”) for the structure or type of cells that are affected in patients with MS? B. Given what these cells/structures do, what effect on neural transmission do you think MS has?
An elderly neighbor was diagnosed with an astrocytoma tumor in the brain. This cancer affects what types of cell? a. ependymal cells b. microglia c. astrocytes d. satellite cells
The cells responsible for the transmission of the nerve impulse are ________. neurons oligodendrocytes astrocytes microglia
Ganglia 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 brain
What do multiple sclerosis and ALS (amyotropic lateral sclerosis) have in common?a. They both are more common in young men than in young women.b. They both impair the initiation of action potentials.c. They both damage the myelin sheath, disrupting action potential transmission.d. They both impair nerve function in the peripheral nervous system
which of the following cells found in the glial scar are permissive to axonal regeneration? a) microglia b) astrocytes c) oligodendrocytes d) oligodendrocytes precursor cells
Parasympathetic nerves _____. A cause smooth muscle in blood vessel walls to contract B cause smooth muscle in blood vessel walls to relax C have no role in the innervation of blood vessels
Match the names of the cells in column B with the function they perform, shown in column A.Column A Column B(1) line the central cavity of the brain (a) astrocytes(2) form myelin in the CNS (b) ependymal cells(3) form myelin in the PNS (c) microglial cells(4) remove neurotransmitters in the CNS (d) oligodendrocytes(5) regulate ionic composition of thefluid around neurons in the CNS (e) satellite cells (f) Schwann cells(6) CNS phagocytes
1) Voltage-gated ion channels on the cell body: a) allow Ca2+ to enter, leading to neurotransmitter release. b)have binding sites for neurotransmitters. c)open following entry of Na+ through ligand-gated channels. d) are inactivated by enzymes in the synaptic cleft.
26) You are being approached by a bear in the woods. Unlike what you may have heard, you do not want to play dead (bears eat dead things) and you do not want to run or climb a tree because the bear is faster than you. You need to make the bear think you are a threat by looking big and speaking to it. a) Which part of the nervous system has been activated, specifically. b) Name two organs/tissues that will be activated/ receive blood. c) Name two organs/tissue that will be deactivated/ have blood diverted.
When someone feels a chafing sensation in their legs. In order to perceive this chafing sensation, neural impulses would travel in one direction from the a) skin b) spinal cord c) skeletal muscle d) brain to his a) brain b) skin c) spinal cord d) skeletal muscle. This information would travel via a) GSA neurones b) GSE neurones c) GVA neurones d) GVE neurones A person starts to sweat. This info to the sweat glands would be transmitted via A) GSA neurones b) GSE neurones c) GVE neurones d) GVA neurones in order to regulate their body temperature. The neural impulses would travel in one direction from a) dura mata b) CNS c) PNS d) skin to a) dura mata b) PNS c) CNS d) skin. Select correct answer from options : a, b, c, d
1. Which of the following divisions of the nervous system is first to transmit sensory information from muscles and visceral organs? A. afferent division of the PNS B. efferent division of the PNS C. efferent division of the CNS D. afferent division of the CNS 2. These neuroglial cells cover CNS axons with myelin. A. satellite cells B.astrocytes C.oligodendrocytes D.Schwann cells