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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Textbook Question
Chapter 43, Problem 4TYK
The process of clonal selection accounts for
- a. the ability of natural killer cells to detect and eliminate cancerous cells.
- b. the production of large numbers of lymphocytes with identical antigenic specificity.
- c. the ability of the cellular innate defenses to attack foreign cells.
- d. the antigenic specificity of lymphocytes.
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Students have asked these similar questions
The immune system includes the various responses the body uses to ensure survival in the presence of disease-causing agents. Identify the example of innate immunity.
A.
Infected host cells are killed by toxic proteins from cytotoxic T cells.
B.
Toll-like receptors bind to foreign molecule fragments to initiate immune response.
C.
CD4 accessory proteins on the helper T cell surface bind to class II MHC molecules.
D.
IgE antibodies recognize and attach to pollen grains, stimulating an allergic reaction.
Which of the following statements is TRUE?
A. Lymphatic vessels and veins have valves
B. All Lymphocytes are part of our Non-specific immune defenses
C. Chicken pox vaccines involve the injection of antibodies
D. Spleens are lymph nodes which drain lymph fluid back to the blood circulation
What do complement proteins, inflammation and fever have in common?
A. All are part of the specific defenses mechanisms of the immune system (also called adaptive immunity)
B. All are processes that occur in lymph nodes
C. All occur as part of the non-specific defenses
D. All occur as a direct result of antigen processing in an antigen processing cell
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
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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- Explain why each choice (a-d) is correct or incorrect. Which statement is true about T cells? a. They usually directly recognize antigens, which then activates a subpopulation of killer cells b. Their proliferation is enhanced by interleukins 1 and 2. c. Once activated, they cannot secrete cytokines. d. They will develop into cytotoxic T cells if antigen is complexed with class II MHC proteins.arrow_forwardA number of minor cancerous cells and infected viruses, such as Epstein Barr (EBV), are able to go undetected by cytotoxic T cell degradation by what possible mechanism? a. the production of normal class I MHC molecule b. helper T cell activation c. the deactivation of the complement system d. tumor antigen expression e. the production of the class II major histocompatability (MHC) moledulearrow_forwardWhich 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.arrow_forward
- 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 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_forwardExplain why each choice (a-d) is correct or incorrect. A vaccine is effective because a. The vaccine contains the antibodies necessary to fight infection. b. The vaccine contains the lymphocytes necessary to fight infection. c. The secondary response of the adaptive immunity is faster and more efficient than the primary response. d. B lymphocytes are unable to mount an immune response the first time they are exposed to a new pathogen.arrow_forward
- Explain why each choice (a-d) is correct or incorrect. B lymphocytes are categorized as part of the adaptive branch of the immune system for all of the following reasons but one. Which of the following is NOT one of the reasons B lymphocytes are considered part of the adaptive immunity? a.They produce memory cells when activated. b.Their receptors will bind to only one antigen. c.They require co-stimulation from an activated T helper cell d. They are a first line of defense that can begin killing pathogens immediatelyarrow_forwardAll of the following are true in reference to T- cell priming except a. it occurs in primary lymphoid organs b. it transforms naive T cells into differentiated effector T cells c. it is the first stage of a primary adaptive immune response d. it requires interaction between naive T cells and antigen-presenting cells e. it takes place in many locations including, but not limited to, lymph nodes, Peyer's patches, and the tonsils.arrow_forwardExplain 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_forward
- Receptors that trigger innate immune responses a. are antibodies recognizing specific antigens. b. are T-cell receptors recognizing specific antigens. c. recognize pathogen-associated molecular patterns. d. are not specific at all.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_forwardThe inflammatory process involves Select one: O A. Passive immunity, MHC proteins, and interferon. B. Increased blood flow, phagocytes, and blood clotting. C. Complement, lymphocytes, and antigens. D. Barriers to entry, tonsils, and fever.arrow_forward
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