EBK HUMAN PHYSIOLOGY
7th Edition
ISBN: 9780133983401
Author: Silverthorn
Publisher: YUZU
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Textbook Question
Chapter 8, Problem 5CC
What is the primary function of each of the following: myelin, microglia, ependymal cells?
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Chapter 8 Solutions
EBK HUMAN PHYSIOLOGY
Ch. 8 - Organize the following terms describing functional...Ch. 8 - Where do neurohormone-secreting neurons terminate?Ch. 8 - What is the difference between a nerve and a...Ch. 8 - Draw a chain of three neurons that synapse on one...Ch. 8 - What is the primary function of each of the...Ch. 8 - Name the two glial cell types that form myelin....Ch. 8 - Given the values in Table 8.2, use the Nernst...Ch. 8 - Would a cell with a resting membrane potential of...Ch. 8 - Would the cell membrane depolarize or...Ch. 8 - Match each ions movement with the type of graded...
Ch. 8 - Prob. 11CCCh. 8 - What is the difference between conductance and...Ch. 8 - If you put ouabain, an inhibitor of the Na+-K+...Ch. 8 - The pyrethrin insecticides, derived from...Ch. 8 - When Na+ channel gates are resetting, is the...Ch. 8 - A stimulating electrode placed halfway down an...Ch. 8 - Place the following neurons in order of their...Ch. 8 - Prob. 18CCCh. 8 - Prob. 19CCCh. 8 - Prob. 20CCCh. 8 - Prob. 21CCCh. 8 - Prob. 22CCCh. 8 - Classify the H+-neurotransmitter exchange as...Ch. 8 - Prob. 24CCCh. 8 - Prob. 25CCCh. 8 - Is Na+-dependent neurotransmitter reuptake...Ch. 8 - In Figure 8.24e, assume the postsynaptic neuron...Ch. 8 - In the graphs of Figure 8.24a, b, why doesnt the...Ch. 8 - Prob. 29CCCh. 8 - Prob. 30CCCh. 8 - List the three functional classes of neurons, and...Ch. 8 - Somatic motor neurons control __________, and...Ch. 8 - Prob. 3RQCh. 8 - Prob. 4RQCh. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Axonal transport refers to the (a) release of...Ch. 8 - Match the numbers of the appropriate...Ch. 8 - Arrange the following events in the proper...Ch. 8 - List the four major types of ion channels found in...Ch. 8 - Prob. 11RQCh. 8 - An action potential is (circle all correct...Ch. 8 - Choose from the following ions to fill in the...Ch. 8 - What is the myelin sheath?Ch. 8 - List two factors that enhance conduction speed.Ch. 8 - Prob. 16RQCh. 8 - Draw and label a graph of an action potential....Ch. 8 - Prob. 18RQCh. 8 - Prob. 19RQCh. 8 - Create a map showing the organization of the...Ch. 8 - Prob. 21RQCh. 8 - Prob. 22RQCh. 8 - Prob. 23RQCh. 8 - Prob. 24RQCh. 8 - The presence of myelin allows an axon to (choose...Ch. 8 - Define, compare, and contrast the following...Ch. 8 - Prob. 27RQCh. 8 - Prob. 28RQCh. 8 - Prob. 29RQCh. 8 - Prob. 30RQCh. 8 - An unmyelinated axon has a much greater...Ch. 8 - The GHK equation is sometimes abbreviated to...Ch. 8 - In each of the following scenarios, will an action...
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- Neurons typically receive information at structures called Question 1 options: A) Myelin B) Dendrites C) Neuroglia D) Axons E) Axon hillocksarrow_forwardThe approximate protein:lipid ratio in the plasma membrane of a myelin cell is: a) 1:10 b) 3:1 c) 1:1 d) 1:4arrow_forwardWhy are cancerous growths that originate in the brain more likely to be composed of neuroglia than of neurons?arrow_forward
- Describe the location of each of the following: a) Cells of the nervous system: Location of Neuroglia b) Location of vascular tissue (in humans)arrow_forwardWhich statement is true regarding the nervous system? a) Damaged myelin on an axon has no effect with its ability to transmit an action potential b) Depolarization is the reduction of the membrane potential; going from negative to a more positive charge c) Neuroglia cells are only responsible for providing immunity to the nervous cells d) Neurons can communicate with other cells without the use of neurotransmittersarrow_forwardWhich part of the neuron is its fiber? How do nerve fibers differ from the fibers of connective tissue and the fibers in musclearrow_forward
- a) 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_forwardWhat is the role of ions, the phospholipid bilayer, and plasma membrane channels in neurons relative to the concepts of current, voltage, and resistance?arrow_forwardplease answer 18,19,20,arrow_forward
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