Principles of Anatomy and Physiology
16th Edition
ISBN: 9781119662792
Author: Tortora, Gerard J., DERRICKSON, Bryan H.
Publisher: WILEY
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Question
Chapter 27, Problem 8CP
Summary Introduction
To review:
The buffer systems, namely, carbonic acid-bicarbonate buffers, proteins, and phosphates help to maintain pH (potential of hydrogen) of the body fluids.
Introduction:
The optimum pH of fluids found in the body is a very important requirement for normal functioning of the body. The normal pH of body fluid ranges from 7.35–7.45. The pH less than 7.35 can cause acidosis and pH more than 7.45 can cause alkalosis. Out of range pH variations of the body fluids can lead to coma and ultimately death. Buffers in the body prevent the drastic changes in the body fluid's pH and this is done via converting strong acids as well as bases into weak acid as well as weak bases within seconds.
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List the three major chemical buffer systems of the body and describe how they resist pH changes.
Explain how an acid-base buffer system functions.
Explain how the chemical buffer systems resist changes in pH.
Chapter 27 Solutions
Principles of Anatomy and Physiology
Ch. 27 - Prob. 1CPCh. 27 - Prob. 2CPCh. 27 - 3. By what mechanism does thirst help regulate...Ch. 27 - Prob. 4CPCh. 27 - What factors control the movement of water between...Ch. 27 - 6. What are the functions of electrolytes in the...Ch. 27 - Name three important extracellular electrolytes,...Ch. 27 - Prob. 8CPCh. 27 - Prob. 9CPCh. 27 - What are the principal physiological effects of...
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- Match the following saltwater balance concepts:arrow_forwardList the functions of water in the body. Why is it important to maintain good fluid balance inside and outside of the cells? What situations can cause fluid and electrolyte imbalances? no handwritten answers pleasearrow_forwardList the major chemical buffer systems of the body.arrow_forward
- Explain thoroughly the Buffering Action of following Biological or Physiological Buffers:(a) Phosphate Buffer System.(b) Bicarbonate Buffer system.arrow_forwardDefine buffers and Discuss the properties of the biological buffer system. Define buffer capacity What is a buffer solution? Example of a weak base and weak acid What is pH?arrow_forwardMetabolic alkalosis refers to a process whereupon decreased hydrogen ion, or increased bicarbonate, concentrations occur in the body, and the blood pH becomes too basic. Answer the following questions: How does the body regain its acid-base equilibria/balance? What happens when that balance does not happen? Will a buffer system still work under these conditions?arrow_forward
- Three systems of the body help regulate acid/base balance - buffer system, respiratory system and renal system. Describe the renal response in a person experiencing metabolic alkalosis due to severe vomiting. Provide the general formula for pH control in acid/base regulation.arrow_forwardDescribe the buffer systems that help to keep the pH of the body’s fluids stable?arrow_forwarddefine buffer and write chemical equations for thebicarbonate, phosphate, and protein buffer systems;arrow_forward
- Explain Buffering Action of following Biological or Physiological Buffers. Phosphate Buffer System. Bicarbonate Buffer system.arrow_forwardName the three buffer systems of the body. Which ofthese systems provides the largest proportion of buffercapacity?arrow_forwardDefine a buffer and explain how it is used to keep blood pH stable.arrow_forward
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