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Ch. 20 The Lymphatic System and Immunity

Chapter 20, Problem 20.6a

Which of the following does not describe the relationship between the lymphatic and immune systems?


a. Lymphoid organs and tissues house cells of the immune system.

b. Lymphoid organs and tissues trap pathogens for the immune system.

c. Lymphoid organs activate cells of the immune system.

d. Lymphoid organs and tissues create the surface barriers of the immune system.

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Everyone. Let's take a look at this question together which of the following organs of the lymphatic system is responsible for the maturation of CD eight lymphocytes. Is it answer choice? A the thymus? Answer choice B, the spleen answer choice C bone marrow or answer choice D the tonsils. Let's work this problem out together to try to figure out which of the following answer choices is an organ of the lymphatic system that is responsible for the maturation of CD eight lymphocytes. So, in order to solve this question, we have to recall the different organs of the lymphatic system and which organ is responsible for the maturation of CD eight lymphocytes. And we can recall that those CD eight lymphocytes are specific T cells with CD eight markers on them. And we know that T cells develop their specific T cell markers. In this case, those CD eight markers in the thymus, which means that the thymus is the organ of the lymphatic system that is responsible for ma of CD eight lymphocytes. Making answer choice. A the correct answer and all other answer choices are incorrect since the spleen bone marrow and tonsils, which are organs of the lymphatic system are not responsible for the maturation of CD eight lymphocytes which is carried out by answer choice. A the thymus. I hope you found this video to be helpful. Thank you and goodbye.
Related Practice
Textbook Question

Mr. White developed neutropenia as a consequence of cancer chemotherapy, which destroyed much of his bone marrow. What other components of the immune system would be harmed by bone marrow destruction? Would you expect his hematocrit to be elevated or decreased? What effects would you expect to see from this change in hematocrit? (Connects to Chapter 19)

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Textbook Question

Which of the following make up the body's first line of defense?


a. Surface barriers

b. Cells and proteins of adaptive immunity

c. Cells and proteins of innate immunity

d. All of the above

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Textbook Question

The chemotherapeutic drugs Mr. White is taking affect all cells that undergo rapid mitosis, such as those of the skin. What effect would this have on the functions of the skin? How could this affect his immunity? (Connects to Chapter 5)

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.



a. Surface barriers contain substances in their secretions that kill pathogens and deter their growth.

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.



b. Phagocytic cells of innate immunity include NK cells and basophils.

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.



c. NK cells are cytotoxic cells that lyse and kill cancer cells and cells infected with certain viruses.

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