Answered: List the two mechanisms by which tubule…

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Biology

List the two mechanisms by which tubule and collecting duct cells generate new HCO3−.

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter37: Maintaining The Internal Environment

Section: Chapter Questions

Problem 9SA

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Concept explainers

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.

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List the two mechanisms by which tubule and collecting duct cells generate new HCO³⁻.

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As the text noted, two-thirds of the water and solutes that the body reclaims by reabsorption in nephrons occurs in the proximal tubule. Proximal tubule cells have large numbers of mitochondria and demand a great deal of oxygen. Explain why.
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List and describe the three filtration barriers that substances leaving the plasma must pass through before entering the tubule lumen.
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Write the equation for the calculation of net filtration pressure (NFP), and explain the meaning of each term.
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