Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 5, Problem 12RQ
Summary Introduction
To match: Each type of membrane channel with its description.
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Indicate where chemically-regulated gated sodium channels are found on the neuron and how they function.
Don't copy from Google
The central nervous system provides neural integration of efferent information transmitted from the autonomic nervous system.
True or false
Match each type of membrane potential to its definition:
The membrane potential at which voltage gated sodium channels open.
The membrane potential that triggers the action potential.
Threshold potential Change in membrane potential that may or may not reach threshold and that may be depolarizing or hyperpolarizing.
Rapid, strong depolarization followed by immediate repolarization. This potential is self-renewing if the right ion channels are nearby.
Answer Options: Resting Potential, Threshold Potential, Graded Potential, Action Potential
Chapter 5 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 5.1 - If the 58-kg Reference Woman has total body water...Ch. 5.1 - A mother brings her baby to the emergency room...Ch. 5.1 - Prob. 6CCCh. 5.1 - Two compartments are separated by a membrane that...Ch. 5.1 - Prob. 8CCCh. 5.1 - Prob. 9CCCh. 5.1 - Prob. 10CCCh. 5.3 - If the distance over which a molecule must diffuse...Ch. 5.3 - Prob. 12CCCh. 5.3 - Which is more likely to cross a cell membrane by...
Ch. 5.3 - Prob. 14CCCh. 5.3 - Prob. 15CCCh. 5.3 - Prob. 16CCCh. 5.4 - Positively charged ions are called _____, and...Ch. 5.4 - Name four functions of membrane proteins.Ch. 5.4 - Prob. 19CCCh. 5.4 - Prob. 20CCCh. 5.4 - If a channel is lined with amino acids that have a...Ch. 5.4 - Prob. 22CCCh. 5.4 - Liver cells (hepatocytes) are able to convert...Ch. 5.4 - Prob. 24CCCh. 5.5 - What would you call a carrier that moves two...Ch. 5.5 - Prob. 26CCCh. 5.5 - Prob. 27CCCh. 5.5 - Name the two membrane protein families associated...Ch. 5.5 - Prob. 29CCCh. 5.6 - Prob. 30CCCh. 5.6 - Prob. 31CCCh. 5.6 - Prob. 32CCCh. 5.6 - Prob. 33CCCh. 5.7 - Prob. 34CCCh. 5 - Using what you learned about the naming...Ch. 5 - Prob. 2CCCh. 5 - Prob. 3CCCh. 5 - Prob. 1RQCh. 5 - Distinguish between active transport and passive...Ch. 5 - Which of the following processes are examples of...Ch. 5 - List four factors that increase the rate of...Ch. 5 - List the three physical methods by which materials...Ch. 5 - A cotransporter is a protein that moves more than...Ch. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - What determines the osmolarity of a solution? In...Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - The membrane potential at which the electrical...Ch. 5 - Prob. 16RQCh. 5 - Create a map of transport across cell membranes...Ch. 5 - Draw a large rectangle to represent the total body...Ch. 5 - What factors influence the rate of diffusion...Ch. 5 - Define the following terms and explain how they...Ch. 5 - Prob. 21RQCh. 5 - Prob. 22RQCh. 5 - Prob. 23RQCh. 5 - Prob. 24RQCh. 5 - Prob. 25RQCh. 5 - Prob. 26RQCh. 5 - The following terms have been applied to membrane...Ch. 5 - Prob. 28RQCh. 5 - NaCl is a nonpenetrating solute and urea is a...Ch. 5 - Prob. 30RQCh. 5 - Prob. 31RQCh. 5 - What is the osmolarity of half-normal saline (=...Ch. 5 - Prob. 33RQCh. 5 - Prob. 34RQ
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- Indicate where on the neuron chemically-gated sodium channels may be located and how they work. Don't plagiarize from Google.arrow_forwardDescribe the events that occur during action potential ANSWER SHOULD INCLUDE: Explanation of how resting membrane potential works and which ions inside/outside Expiation of how depolarisation membrane occurs and which ions move in/how they move in . Explanation of "threshold" . Explanation of depolarisation and which ions move out and how they move out. Explanation of hyperpoarisation and how it is corrected. ( state membrane potential in mv during each stage )arrow_forwardThe Generation, Transmission and Integration of Neural Signals Direction: Fill the blanks with the correct word that completes the paragraph. (1) ______________________ are a group of endogenous chemicals responsible for signaling between neurons and other cells (there is very little direct “electrical” connection between neurons). Thus, signaling of the nervous system is a bioelectrochemical process affected by neurotransmitters. Neurotransmitters act on proteins called (2) _______________, which are found on cell membranes in synapses. (3) _______________ are very narrow gaps (20–50 nm) between neurons allowing for chemical transmission via neurotransmitters. The binding of neurotransmitters to pre- and post-synaptic receptors results in changes in the polarization of the cell. Neurotransmitter actions that increase the likelihood of initiating an action potential are called (4) __________________ (EPSPs) while those that reduce the likelihood of an action potential are termed (5)…arrow_forward
- Compare and contrast neurons and neuroglia; be sure to include: General structure of the two types of cells General function of the two types of cells Where they are found Other special characteristicsarrow_forwardBecause the long axons of neurons look like electrical wires, and both neurons and electrical wires conduct electricity, it is tempting to equate the two. Compare and contrast the functioning of axons and electrical wires in terms of their structure and the nature of the electrical signals they conduct. Please include references.arrow_forwardDiscuss a situation where the nervous system is functionally influencing the work system. (Give 5 situation and explain it)arrow_forward
- Indicate where chemically-regulated gated sodium channels are found on the neuron and how they function.arrow_forwardSummarize the steps in generating an action potential as a flowchart. You can make your flowchart on paper and take a picture of it, or make it electronically. Be sure you’ve included: the location in the neuron and components of the neuron involved, the types of cellular transport and ions involved, how action potentials can be stimulated and inhibited. you can get the information from this: https://youtu.be/HYLyhXRp298arrow_forwardIn 5-7 sentences. Provide a narrative overview of the function of the receptor including: The extracellular signal that acts as the ligand for the receptor The physiological response that is induced The benefits of this pathway to the cell/organismarrow_forward
- Describe in detail how movement of ions causes a neuron to fire . Make sure to include how membrane potential is changed and which specific ions are moving in what directions to cause the firing .arrow_forwardExtracellular recordings create a distinct action potential. Choose the option that best describes the trace recording after stimulation. 1.The voltage trace becomes increasingly positive because the extracellular space becomes less negative 2.The voltage trace becomes increasingly positive because the extracellular space becomes less positive 3.The voltage trace becomes increasingly negative because the extracellular space becomes less positive 4.The voltage trace becomes increasingly negative because the extracellular space becomes more positivearrow_forwardWhich of the following cells helps control the concentration of ions in the chemical environment surrounding the neurons? satellite cells astrocytes Schwann cells oligodendrocytes two of the abovearrow_forward
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