Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 43, Problem 7TYK
Summary Introduction
Introduction: The immune system gives protection against various disease-causing microbes. Different cell types and proteins are involved in immune mechanisms. The types of cells that involved in immunity are lymphocytes (T & B lymphocytes), neutrophils, monocytes, natural killer cells, and macrophages. In response to pathogen recognition, these cells secrete a variety of proteins which acts against pathogens. The proteins involved in immunity are called immunoglobulins or antibodies.
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CHAPTER 20
The Lymphatic System and Immunity
Matching
SECTION 3 Revie w
Match each lettered term with the most closely related description.
a. opsonization
1
b. helper T cells
Two parallel pairs of polypeptide chains
Found on helper T cells
C. antibody
d. class II MHC
3
Active and passive
4 Transfer of antibodies
e. costimulation
Attacked by HIV
f. IgM
6 Enhances phagocytosis
g. class I MHC
h. IgG
7 MHC proteins present in the plasma
membranes of all nucleated cells
i. passive immunity
j. anaphylaxis
8
Differentiate into memory and plasma cells
9
MHC proteins present in the plasma
membranes of all APCS and lymphocytes
9
k. CD4 markers
10
I. acquired immunity
10 Antibodies used to determine blood type
11
m. B lymphocytes
11 Secondary binding process required for T cell activation
12
12 Accounts for 80 percent of all immunoglobulins
13
13 Circulating allergen stimulates mast cells throughout body
Match each lettered term with the
Which of the following is not a function of antibodies?
Select one:
a. They neutralize pathogens by masking the pathogen surface.
b. They act as molecular adaptors that bridge together pathogen and phagocyte surfaces.
c. They exert toxic effects directly.
d. They act as opsonins that mediate phagocytosis.
e. They activate complement fixation.
44) Concerning the functions of macrophages, which of the following statements is CORRECT: a. Macrophages can phagocytose pathogens and produce antibodies b. Macrophages can help T cells to stimulate complement c. Macrophages can phagocytose pathogens and are antigen presentation cells d. Macrophages activate the clotting cascade e. None of the above
Chapter 43 Solutions
Study Guide for Campbell Biology
Ch. 43 - Briefly describe the insect defense system against...Ch. 43 - Prob. 2IQCh. 43 - Prob. 3IQCh. 43 - Prob. 4IQCh. 43 - Prob. 5IQCh. 43 - Prob. 6IQCh. 43 - Prob. 7IQCh. 43 - Prob. 8IQCh. 43 - Prob. 9IQCh. 43 - Prob. 1SYK
Ch. 43 - Prob. 2SYKCh. 43 - Although innate and adaptive immunity were...Ch. 43 - Prob. 1TYKCh. 43 - Prob. 2TYKCh. 43 - Prob. 3TYKCh. 43 - The process of clonal selection accounts for a....Ch. 43 - Prob. 5TYKCh. 43 - Which of the following destroys a target cell by...Ch. 43 - Prob. 7TYKCh. 43 - Prob. 8TYKCh. 43 - Prob. 9TYKCh. 43 - Prob. 10TYKCh. 43 - Prob. 11TYKCh. 43 - Prob. 12TYKCh. 43 - Prob. 13TYKCh. 43 - Prob. 14TYKCh. 43 - Prob. 15TYKCh. 43 - Prob. 16TYKCh. 43 - Prob. 17TYKCh. 43 - What is the key advantage to the use of monoclonal...Ch. 43 - Prob. 19TYKCh. 43 - Prob. 20TYKCh. 43 - Prob. 21TYKCh. 43 - From which of the following conditions would an...
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- Which of the following statements are true for antigen presentation. a. Antigen presentation means that other cells attach the pathogen first and present it to T cells. b. Antigen-presenting cells display protein fragments, resulting from the digestion of the pathogen, in complex with MHC receptor to B cells c. Antigen presenting cells display protein fragments, resulting from the digestion of the pathogen, in complex with MHC receptor on their surface. d. Antigen-presenting cells are phagocytic cells e. Antigen presentation is required for T cell activation f. Cytokines released by macrophages are required for T cell activation g. T cell receptors recognize the MHC receptors in complex with antigen fragments displayed by antigen-presenting cells. h. Phagocytic cells are involved in innate immunity. Therefore they have no role in T-cell activationarrow_forwardAntibodies Select one: a. are not specific, but act generally. b. are composed of four light and four heavy polypeptide chains. c. play a large role in cell-mediated immunity. d. are produced by both T and B cells. e. have a variable region that binds to a specific antigenic determinant.arrow_forwardComplement can enhance phadocytosis because of the presence on macrophages and neutrophils of receptors for: а. Factor D b. C3b c. C6 d. C9arrow_forward
- All of the following are functions of antibodies except a. neutralization of pathogen. b. destruction of antigen. c. agglutination of antigen. d. opsonization.arrow_forwardAntibodies Select one: a. are shaped like the letter B b. assist in destroying particular antigens C. are generalists in that any antibody can bind to any antigen d. all of the abovearrow_forwardAntibodies can have multiple mechanisms of action. The main mechanism is "flagging" a foreign body for phagocytosis and degradation. Another mechanism is... Select one: a. Binding of the Fc domain to T cells for cooperative antigen recognition and destruction. b. Altering the local pH by the formation of carbamate upon reaction with CO2 to denature protein antigens. c. Binding of the variable region to multiple different/distinct sites on the antigen. d. None of these. e. Binding of the antigen in regions essential for its function.arrow_forward
- B cells that produce and release large amounts of antibody are called: a. Memory cells b. Basophils c. Plasma cells d. Killer cells e. Neutrophilsarrow_forwardA. In a table give three differences between antigen and antibodies B. Explain the structure of the antibody molecule C. Discuss the differences between humoral and cell mediated immunity in terms of chemicals and cells involved in each process as they tackle pathogens. You should write no more than 450 words.arrow_forwardAny aspect of the immune system can be deficient. Which of the following deficiencies would primarily affect the BARRIER function of immunity? Group of answer choices A. Complement Deficiencies, in which a variety of complement proteins do not function properly B. DiGeorge Syndrome, in which the thymus does not develop properly C. Selective IgA deficiency, in which IgA antibodies are produced in very low amounts D. Severe Combined Immune Deficiency (SCID), in which all T and B cell functions are absentarrow_forward
- Explain 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_forwardWhich of the following statements regarding intraepithelial lymphocytes is false? (Select all that apply.) a. They comprise approximately 10% of the cells in the mucosal epithelium. b. They are composed of both CD4 and CD8 T cells. c. They are separated from the lamina propria by a basement membrane. d. They are activated effector T cells with a narrow range of antigen specificities. e. They do not include NK cells. f. They express the α4:β7 integrin that binds to E-cadherin on epithelial surfaces.arrow_forwardIdentify which of the following statements regarding naive T cells is incorrect. a. Naive T cells enter lymph nodes in two different ways, from the blood or from the lymph. b. Naive T cells can only be activated in secondary lymphoid tissues. c. Naive T cells differentiate into effector T cells after T-cell priming has occurred. d. Naive T cells occupy both the cortex and the medulla of lymph nodes. e. Naive T cells are only activated by dendritic cells, not by macrophages or B cells.arrow_forward
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Immune System and Immune Response Animation; Author: Medical Sciences Animations;https://www.youtube.com/watch?v=JDdbUBXPKc4;License: Standard YouTube License, CC-BY
Immune response: summary; Author: Dr Bhavsar Biology;https://www.youtube.com/watch?v=ADANgHkX4OY;License: Standard Youtube License