Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 10CYR
When naïve B cells are activated, they differentiate into:
a. plasma cells.
b. memory cells.
c. both a and b.
d. none of the above.
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Chapter 20 Solutions
Human Anatomy & Physiology
Ch. 20.1 - What are the main functions of the lymphatic...Ch. 20.1 - 2. How do lymphatic capillaries differ from blood...Ch. 20.1 - What is the pathway of lymph flow from the right...Ch. 20.1 - 4. What main cell types are located in lymphoid...Ch. 20.1 - List the main functions of MALT, lymph nodes, the...Ch. 20.2 - 1. How do innate immunity and adaptive immunity...Ch. 20.2 - 2. What are the three lines of defense?
Ch. 20.2 - What are the bodys main surface barriers, and how...Ch. 20.2 - Prob. 4QCCh. 20.2 - How are the immune system and lymphatic system...
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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- Explain why each choice (a-d) is correct or incorrect. T cells are differentiated into two groups based on their glycoproteins CD4 or CD8. Which of the following is true of CD4 T cells? a. They become cytotoxic T cells. b. The become antigen presenting cells. c. They become T helper cells. d. They become plasma cells.arrow_forwardWhich part of an antibody binds to the antigen?a. Heavy chain.b. Light chain.c. Variable region.d. All of the above. B ceIls do which of the following?a. Develop into plasma cells and memory cellsb. Involved in humoral immunityc. Develop and mature in red bone marrowd. Atl of the abovearrow_forwardWhich of the following statements is INCORRECT regarding memory B cells? a. Memory B cells express high levels of FcyRIIB1. b. Memory B cells differentiate into plasma cells more rapidly than do naive B cells. Oc. In secondary responses, the number of pathogen-specific B cells is increased compared to a primary response. d. The sensitivity of memory B cells is improved compared with naive B cells because affinity maturation has occurred. e. Memory B cells are maintained for life.arrow_forward
- Ibuprofen dampens the immune system’s inflammation response.What might be a short-term consequence of taking ibuprofen?a. Blood vessels may become less permeable.b. Antibodies may become less active.c. Cytotoxic T cells may begin to divide.d. All of the above are correctarrow_forwardThere is a second, delayed spike of IgM in the secondary response. Why might this be occurring?Choose one: A. When there is a lot of IgG antibody floating around in the bloodstream, some of the monomers link up into IgM pentamers. B. Some IgM is being made by the plasma cells producing the IgG antibodies. C. New naive B cells have been able to activate and produce a new primary response. D. Some of the plasma cells are switching back to IgM production after producing other isotypes for a while.arrow_forwardExplain why each choice (a-d) is correct or incorrect. Allergens differ from antigens because a. Allergens produce an abnormally large immune response to what is an otherwise harmless particle. b. Allergens do not involve the leucocytes, they simple stimulate the inflammatory response. c. Allergens are only active seasonally and are generally harmless to the body. d. Allergens are primarily plant derived while antigens are bacterial or viral in nature.arrow_forward
- Complement must be inactivated because if it were NOT, A. protein synthesis would be inhibited, thus halting important cell processes. В. necessary interferons would not be produced. C. viruses could continue to multiply inside host cells using the host's own metabolic machinery. D. it could make holes in the body's own cells.arrow_forwardDuring removal of cancerous tissue in breast cancer, lymph nodes in the armpit are also removed (if found cancerous). As a result, a. cancer will reoccur at the original site b. Breast tissue will remain free of cancer, but remaining lymph nodes will become cancerous c. Lymph nodes will remain free of cancer, but remaining breast tissue will become cancerous d. There will recurrent infections in the associated arm e. There will recurrent infections in opposite armarrow_forwardWhich of the following is false about innate immune receptors? A. They are encoded by intact genes inherited through the germline and are deployed non-clonally. B. They include pattern recognition receptors C. They are encoded by genes assembled from individual gene segment and clonally distributed. D. They recognize foreign molecules on microbes. E. none of the abovearrow_forward
- Antigen-presenting cells make contact with T-cells via cellular junctions. Which of the following is likely to mediate this junction if liquid can pass between the cells in the extra-cellular matrix but can not pass from cell to cell? a. Cadherin b. Connexin c. COPII d. Claudinarrow_forwardThese types of T cells regulate the function of B cells, T cells, and phagocytes: a. Suppressor T cells b. Helper T cells c. Cytotoxic T cells d. None of the abovearrow_forwardWhich of the following statements about T cells is false? a. Helper T cells release cytokines while cytotoxic T cells kill the infected cell. b. Helper T cells are CD4+, while cytotoxic T cells are CD8+. c. MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. d. The T cell receptor is found on both CD4+ and CD8+ T cells.arrow_forward
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