Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 6, Problem 23RA
Using the principles of osmosis, explain why movement of
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Using the principles of osmosis, explain why movement of Na + through a plasma membrane is followed by movement of water. Use this concept to explain the rationale on which oral rehydration therapy is based.
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Chapter 6 Solutions
Human Physiology
Ch. 6 - Describe the distribution of fluid in the body.Ch. 6 - Describe the composition of the extracellular...Ch. 6 - List the subcategories of passive transport and...Ch. 6 - Explain what is meant by simple diffusion and list...Ch. 6 - Prob. 4CPCh. 6 - Prob. 5CPCh. 6 - Explain how the body detects changes in the...Ch. 6 - Prob. 7aCPCh. 6 - Prob. 7bCPCh. 6 - Prob. 7cCP
Ch. 6 - Prob. 8CPCh. 6 - Prob. 9aCPCh. 6 - Prob. 9bCPCh. 6 - Explain the relationship of the resting membrane...Ch. 6 - Prob. 10bCPCh. 6 - Prob. 11CPCh. 6 - Prob. 12CPCh. 6 - The movement of water across a plasma membrane...Ch. 6 - Which of these statements about the facilitated...Ch. 6 - Prob. 3RACh. 6 - Prob. 4RACh. 6 - Blood plasma has an osmolality of about 300 mOsm....Ch. 6 - Prob. 6RACh. 6 - The most important diffusible ion in the...Ch. 6 - Prob. 8RACh. 6 - Prob. 9RACh. 6 - Prob. 10RACh. 6 - Prob. 11RACh. 6 - Prob. 12RACh. 6 - Prob. 13RACh. 6 - Prob. 14RACh. 6 - Which of the following questions regarding second...Ch. 6 - Prob. 16RACh. 6 - Prob. 17RACh. 6 - Compare the resting membrane potential of a neuron...Ch. 6 - Prob. 19RACh. 6 - Prob. 20RACh. 6 - Prob. 21RACh. 6 - Prob. 22RACh. 6 - Using the principles of osmosis, explain why...Ch. 6 - Prob. 24RACh. 6 - Prob. 25RACh. 6 - Prob. 26RACh. 6 - Prob. 27RACh. 6 - Prob. 28RACh. 6 - Prob. 29RACh. 6 - Prob. 30RACh. 6 - Using only the information in this chapter,...Ch. 6 - Prob. 32RACh. 6 - Prob. 33RACh. 6 - Suppose a semipermeable membrane separates two...Ch. 6 - Prob. 35RACh. 6 - Prob. 36RACh. 6 - Use the Nernst equation and the ion concentration...
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- Indicate which of the following involves osmosis by answering yes or no.1. A fresh potato is peeled, weighed, and soaked in a strong salt solution. The next day it is discovered that thepotato has lost weight.___________arrow_forwardDescribe the movement of the solute and explain why this is considered passive transport.arrow_forwardContrast facilitated diffusion and active transportin relation to energy expenditure and direction ofmovement with respect to the concentration gradient.arrow_forward
- Based on the definition of osmosis what are the three defining characteristics of osmosis?arrow_forwardfor the following scenario, DRAW the situation depicted, INDICATE which solution is hypertonic, hypotonic or isotonic (if applicable), and then show with ARROWS which way water will move. then write your response in complete sentences, thoroughly explaining and justifying your arrows. a. ouch! sore throat! it is so swollen that it is sore and it is difficult to swallow. and you have an oral presentation today. better gargle with salt water to reduce the swelling! explain why this age old technique really works, by using the concept of osmosisarrow_forwardIf a culture of Paramecium caudatum had NaCl added to modify extracellular solute concentration, how would the cell react to different solute concentrations what effect does it have osmoregulation? What observation would we expect to see under the microscope?arrow_forward
- Define osmosis, simple diffusion, facilitated diffusion and why each of these is a form of passive transport with examples of each type of passive transport.arrow_forwardSevere vomiting and diarrhea cause a loss of water and solutes from extracellular fluids. If the person was given only water, what effect would this have on the solute concentration of the extracellular fluids? Would osmosis results in water entering or leaving cells?arrow_forwardBlood volume must be restored in a person who has lost large amounts of blood due to serious injury. This is often accomplished by infusing isotonic NaCl solution into the blood. Why is this more effective than infusing an isoosmotic solution of a penetrating solute, such as urea?arrow_forward
- Which statement is NOT true of membrane transport • proteins? A. Their specificity depends on their three-dimensional structure. B. They are responsible in some cases for facilitated diffusion. C. They are responsible in some cases for active transport. D. They produce a chemical change in the molecules they are transporting.arrow_forwardHow can you tell that the transport of the same ion is by one or two different transport proteins?arrow_forward
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