Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Textbook Question
Chapter 23, Problem 26CP
What is the relationship between hemoglobin and P $$? How do temperature, $$ PC02, and BPG influence the affinity of Hb for 02?
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Chapter 23 Solutions
Principles of Anatomy and Physiology
Ch. 23 - What are the three basic steps involved in...Ch. 23 - What are the components of the respiratory system?Ch. 23 - Why is the respiratory zone important?Ch. 23 - 4. Compare the structure and functions of the...Ch. 23 - 5. What are the functions of the three...Ch. 23 - Prob. 6CPCh. 23 - Prob. 7CPCh. 23 - 8. Describe the structure of the bronchial tree.
Ch. 23 - Prob. 9CPCh. 23 - Prob. 10CP
Ch. 23 - Prob. 11CPCh. 23 - Prob. 12CPCh. 23 - Prob. 13CPCh. 23 - Prob. 14CPCh. 23 - Describe how alveolar surface tension, compliance,...Ch. 23 - Demonstrate the various types of modified...Ch. 23 - Prob. 17CPCh. 23 - What is the difference between a lung volume and a...Ch. 23 - How is minute ventilation calculated?Ch. 23 - Prob. 20CPCh. 23 - Prob. 21CPCh. 23 - How does the partial pressure of oxygen change as...Ch. 23 - What are the diffusion paths of oxygen and carbon...Ch. 23 - 24. What factors affect the rate of diffusion of...Ch. 23 - Prob. 25CPCh. 23 - What is the relationship between hemoglobin and P...Ch. 23 - Prob. 27CPCh. 23 - Prob. 28CPCh. 23 - How is the pontine respiratory group related to...Ch. 23 - Prob. 30CPCh. 23 - How does exercise affect the DRG?Ch. 23 - What structures develop from the laryngotracheal...Ch. 23 - What accounts for the decrease in lung capacity...Ch. 23 - Aretha loves to sing. Right now she has a cold, a...Ch. 23 - Ms. Brown has smoked cigarettes for years and is...Ch. 23 - The Robinson family went to bed one frigid winter...
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- What is oxyhemoglobin? Where does it form?arrow_forwardWhat does the hemoglobin graph regarding YO2 represent?arrow_forwardHow does the concentration of 2,3 BPG affect hemoglobin's P50 for oxygen? select the correct answer A) BPG binds to the N-terminus of Hemoglobin's alpha 2 subunit and increase hemoglobin's P50 for oxygen. B) BPG binds to the heme blocking oxygen's ability to bind and lowering hemoglobin's P 50. C) As the BPG increases hemoglobin's P50 for oxygen increase. D) As the BPG increases hemoglobin's P50 for oxygen decreases. E) BPG does not affect hemoglobin's P50 for oxygenarrow_forward
- does decreasing 2,3-BPG concentration increase or decrease the binding affinity of hemoglobin for oxygen?arrow_forwardWill a mutation from Distal histidine to phenylalanine shift the binding curve of hemoglobin?Will it shift the curve to the left or right, shift to myoglobin or no longer bind to O2?arrow_forwardWhat other molecules bind to hemoglobin? How do they affect the affinity of Hb for O2?arrow_forward
- What is the equilibrium expression of oxygenated hemoglobin to deoxygenated hemoglobin?arrow_forwardSelect the hemoglobin variant(s) that are described by each statement. (a) The variant least likely to cause pathological symptoms. (b) The variant(s) likely to show pl values different from that of HbA on an isoelectric focusing gel. (c) The variant most likely to show a decrease in BPG binding and an increase in the overall affinity of the hemoglobin for oxygen. Answer Bank Hb Milwaukee Hb Cowtown Hb Memphis Hb Philly Hb Providence Hb Bibba HbSarrow_forwardWill a decrease in carbon dioxide (CO2) shift the binding curve of hemoglobin? Will it shift to the left or right?arrow_forward
- What is the difference between the T form and R form of the hemoglobin molecule?arrow_forwardx The Bohr effect describes the impact of changes in serum pH and CO2 concentrations on the oxygen dissociation curve of hemoglobin. This effect is physiologically important because it allows the body to adapt to changing conditions and provide enough oxygen to different types of tissues. **Plot the curves of hemoglobin oxygen saturation for patients in conditions of acidosis (serum pH below 7.34) and alkalosis (serum pH higher than 7.45) and compare it to the one in normal conditions. ** **When tissues, such as muscle tissue, are performing large amounts of strenuous activity the increase in metabolic activity produces CO2 as waste. Once in the bloodstream the enzyme carbonic anhydrase speeds up the conversion of CO2 to bicarbonate and protons. How does this affect the release of oxygen to the tissues?** **2,3-bisphosphoglycerate is an allosteric inhibitor of oxygen binding to hemoglobin. Acclimatization to high altitude involves numerous physiological and biochemical changes,…arrow_forwardUnder appropriate conditions, hemoglobin dissociates into its four subunits. The isolated α subunit binds oxygen, but the O2 -saturation curve ishyperbolic rather than sigmoid. In addition, the binding of oxygen to the isolated α subunit is not affected by the presence of H+, CO2 , or BPG. What do these observations indicate about the source of the cooperativity in hemoglobin?arrow_forward
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