Human Anatomy & Physiology (2nd Edition)
Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 20, Problem 1CYR

Which of the following is not a function of the lymphatic system?

a. Absorption of dietary fats

b. Secretion of digestive enzymes

c. Regulation of interstitial fluid volume

d. Housing and maturation of leukocytes

Expert Solution & Answer
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Summary Introduction

Introduction:

The part of a vascular system that has a large network of lymphatic vessels, which are involved in carrying lymph (clear fluid) toward the heart, is the lymphatic system. Lymph contains white blood cells and helps in their transport. The organs of the lymphatic system are the thymus, appendix, tonsils, and spleen.

Answer to Problem 1CYR

Correct answer:

The secretion of the digestive enzyme is a function that is not performed by the lymphatic system.

Explanation of Solution

Justification/explanation for the correct answer:

Option (b) states that digestive enzyme secretion is not a function of the lymphatic system. The lymphatic system has three major roles to play in the body. These include the regulation of the volume of the interstitial fluid. The dietary fats are absorbed in the body with the help of the lymphatic system. The lymphatic system is also involved in immune functions. This system does not play any role in the secretion of any of the digestive enzymes. Hence, option (b) is correct.

Explanation for the incorrect answer:

Option (a) states that the absorption of dietary fats is not a function of the lymphatic system. However, large products of fat breakdown are capable of entering the lymphatic vessels, which aid the function of the absorption of dietary fats. So, it is an incorrect option.

Option (c) states that the regulation of the volume of interstitial fluid is not a function of the lymphatic system. The lymphatic vessels help aid in maintaining the volume of interstitial fluids by picking up excess interstitial fluid and transporting it through the body. So, it is an incorrect option.

Option (d) states that housing as well as maturating leukocytes is not a function of the lymphatic system. The lymphatic system houses various types of leukocytes (white blood cells). These are the cells of the immune system. The thymus is a part of the lymphatic vessel where the maturation of leukocytes occurs. So, it is an incorrect option.

Hence, options (a), (c), and (d) are incorrect.

Conclusion

Thus, it can be concluded that the lymphatic system is not involved in the secretion of any digestive enzymes. It is involved in other functions, such as the removal of extra fluid from the body, fat absorption, and immune cell production as well as maturation.

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Chapter 20 Solutions

Human Anatomy & Physiology (2nd Edition)

Ch. 20.3 - Match the following cell types with their correct...Ch. 20.3 - Which of the cells in question 1 do not directly...Ch. 20.3 - What is the complement system, and what are its...Ch. 20.3 - In what two ways is the complement system...Ch. 20.3 - 5. What are the main cytokines of innate...Ch. 20.3 - What are the four cardinal signs of inflammation?Ch. 20.3 - 7. What are inflammatory mediators, and what do...Ch. 20.3 - Explain the role of phagocytes in the inflammatory...Ch. 20.3 - What causes the elevated temperature and common...Ch. 20.3 - Prob. 10QCCh. 20.4 - 1. What are MHC molecules? Ch. 20.4 - 2. How do class I and class II MHC molecules...Ch. 20.4 - How are T cells activated?Ch. 20.4 - Prob. 4QCCh. 20.4 - What are the main functions of TC cells?Ch. 20.4 - Prob. 6QCCh. 20.4 - Prob. 7QCCh. 20.5 - 1. How is a B cell activated? Ch. 20.5 - Prob. 2QCCh. 20.5 - What are the five classes of antibody, and how do...Ch. 20.5 - 4. List the five main functions of antibodies. Ch. 20.5 - How do the primary and secondary immune responses...Ch. 20.5 - 6. What is the purpose of a vaccination, and what...Ch. 20.5 - 7. How do active immunity and passive immunity...Ch. 20.6 - How do innate immunity and adaptive immunity work...Ch. 20.6 - Walk through the basic steps of the immune...Ch. 20.6 - How does the immune system survey the body for...Ch. 20.6 - Walk through the steps of the immune response to...Ch. 20.6 - Prob. 5QCCh. 20.6 - 6. How do cancer cells escape the immune response...Ch. 20.7 - Define the four types of hypersensitivity...Ch. 20.7 - Explain how type IV hypersensitivity differs from...Ch. 20.7 - How do primary and secondary immunodeficiency...Ch. 20.7 - Prob. 4QCCh. 20.7 - What is an autoimmune disorder? What produces the...Ch. 20.7 - 6. What are the potential causes of autoimmune...Ch. 20 - 1. Which of the following is not a function of the...Ch. 20 - Mark the following statements as true or false. If...Ch. 20 - Fill in the blanks: The lymphoid organ that...Ch. 20 - Fill in the blanks: Nonspecific immunity is also...Ch. 20 - 5. Which of the following make up the body’s...Ch. 20 - Which of the following does not describe the...Ch. 20 - Mark the following statements as true or false. If...Ch. 20 - Which of the following functions is/are performed...Ch. 20 - Prob. 9CYRCh. 20 - 10. When naïve B cells are activated, they...Ch. 20 - 11. Match the following antibodies with the...Ch. 20 - Mark the following statements as true or false. If...Ch. 20 - Prob. 13CYRCh. 20 - On which type(s) of cells are class I MHC...Ch. 20 - Fill in the blanks: Class I MHC molecules display...Ch. 20 - 16. Which of the following is not a role of TH...Ch. 20 - 17. Mark the following statements as true or...Ch. 20 - 18. Type I hypersensitivity is due to release of...Ch. 20 - Prob. 19CYRCh. 20 - Prob. 20CYRCh. 20 - Prob. 1CYUCh. 20 - Complement proteins are crucial for stimulating...Ch. 20 - 3. Terrence has severe asthma and allergies, and...Ch. 20 - Your friend tests her snake-wrangling skills on an...Ch. 20 - 2. Carla presents to her physician with a...Ch. 20 - 3. Mr. White has been diagnosed with febrile...Ch. 20 - Mr. White developed neutropenia as a consequence...Ch. 20 - 5. The chemotherapeutic drugs Mr. White is taking...
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