HUMAN BIOLOGY: CONCEPTS - 9780134312729
8th Edition
ISBN: 2819260095972
Author: Johnson
Publisher: PERUSALL
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Chapter 10, Problem 7CR
Summary Introduction
To review:
The term partial pressure and its importance to gas diffusion.
Introduction:
The very first step in the process of respiration is breathing. When the air comes in contact with the alveoli, transport and gas exchange happens. The main two gases, which are involved in the process of respiration, are oxygen and carbon dioxide.
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Describe Fick's Law of diffusion and the impact of increased tissue thickness of the alveoli on gas exchange.
Describe the partial pressures that are relevant to gas exchange.
The diffusion coefficient of a gas is a constant and is not affected by disease states or treatment options. In contrast the other factors that determine gas diffusion through the respiratory membrane is affected by changes.Name the factors that can cause an increase in the diffusion rate through the respiratory membrane and provide detailed examples of conditions that will cause this increase.
Chapter 10 Solutions
HUMAN BIOLOGY: CONCEPTS - 9780134312729
Ch. 10 - Do you think e-cigarettes should be regulated, and...Ch. 10 - What safety concerns do you have, if any, about...Ch. 10 - List at least three functions of your nose.Ch. 10 - Prob. 2CRCh. 10 - Prob. 3CRCh. 10 - Prob. 4CRCh. 10 -
5. Explain what happens to gas pressure in a...Ch. 10 - Prob. 6CRCh. 10 - Prob. 7CRCh. 10 - Prob. 8CR
Ch. 10 - Prob. 9CRCh. 10 - Prob. 10CRCh. 10 - Which of the following lists the order of...Ch. 10 - Prob. 2TYCh. 10 - Much of the respiratory tract is lined with...Ch. 10 - Prob. 4TYCh. 10 - Prob. 5TYCh. 10 - Prob. 6TYCh. 10 - Prob. 7TYCh. 10 -
8. During a breathing cycle, as the diaphragm and...Ch. 10 - Prob. 9TYCh. 10 - Prob. 10TYCh. 10 - Prob. 11TYCh. 10 - Prob. 12TYCh. 10 - Prob. 13TYCh. 10 - Prob. 14TYCh. 10 - Prob. 15TYCh. 10 - Why would someone administering a Breathalyzer...Ch. 10 -
2. At a murder trial, a pathologist is asked...Ch. 10 - Prob. 3AWKCh. 10 - Prob. 4AWKCh. 10 - Prob. 5AWKCh. 10 - Prob. 6AWKCh. 10 - Prob. 7AWK
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- How does hemoglobin help maintain the oxygen partial pressure gradient during gas transport in the body?arrow_forwardWhat are some advantages of gas exchange in air over gas exchange in water?arrow_forwardGas moves from an area of ________ partial pressure to an area of ________ partial pressure. low; high low; low high; high high; lowarrow_forward
- Describe the relationship between the partial pressure of oxygen and the binding of oxygen to hemoglobin.arrow_forwardA partial pressure gradient of oxygen exists between ________. a. air and lungs b. lungs and metabolically active tissues c. air at sea level and air at high altitudes d. all of the abovearrow_forwardGiven the same partial pressure for oxygen and carbon dioxide, which respiratory gas enters a water solution more readily? Explain using Henry’s law.arrow_forward
- Explain the correlation between gas pressure and concentration in terms of respiration.arrow_forwardDiscuss those factors that infl uence the rate of diffusion across the blood-gas interface in the lung.arrow_forwardDescribe the four factors that affect the diffusion of gasesthrough the respiratory membrane. Give examples ofdiseases that decrease diffusion by altering these factors.arrow_forward
- Define tidal volume and residual volume and discuss why they are important in maintaining normal oxygenation. How does gas trapping alter residual volume?arrow_forwardExplain why chemoreceptors are important for the regulation ofventilation.arrow_forwardexplain partial pressure and how it relates to internal and external gas exchangearrow_forward
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