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 12TYK
Summary Introduction
The immune system in the human body is a complex functioning system which protects the body from various infections. There are primarily two types of immune system, namely innate and adaptive immune systems. Innate immunity is the defense that works in the body from birth. Adaptive immunity is acquired in the lifetime when exposed to infectious agents and other disease-causing organisms. Opsonization is one of the immune responses that identifies the target microbe and directs them to phagocytes.
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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.
All of the following are functions of antibodies except a. neutralization of pathogen. b. destruction of antigen. c. agglutination of antigen. d. opsonization.
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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- Complement can enhance phadocytosis because of the presence on macrophages and neutrophils of receptors for: а. Factor D b. C3b c. C6 d. C9arrow_forwardDendritic cells take up, process or present antigen by all of the following routes except Select one: a. receptor-mediated endocytosis of bacteria. b. macropinocytosis of bacteria or viruses. c. uptake of viruses using Toll-like receptor TLR9. d. cross-presentation from the MHC class II pathway to the MHC class I pathway. Oe. cross-presentation from incoming infected dendritic cells to healthy resident dendritic cells in secondary lymphoid tissue. Of. delivery of viral peptides from cytosol to endoplasmic reticulum during viral infection.arrow_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_forward
- which two of following statements are true for an antigen prsent cell such as dendritic cell? a. Phagocytes are extra cellular pathogens b. Display processed pathoic peptide on the surface of the cell c. Produce antibodies specific for a pathogen d. Activate naive erythrocytesarrow_forwardWhich of the following does not accurately describe complement components? A. made by the spleen B. located in extracellular spaces C. some function as proteases once activated D. activated by a cascade of enzymatic reactions. E. soluble proteinsarrow_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
- Define the following terms:a. T cellsb. B cellsc. cellular immunityd. humoral immunitye. myoadenylate deaminase deficiencyarrow_forwardA 41-year-old man has a penetrating injury to his right eye. A month later he has worsening vision in his left eye. Through which of the following immunoogic mechanisms has his vision in the left eye been reduced? a.Release of sequestered antigens b.Hypogammaglobulinemia c.Molecular mimicry d.T lymphocyte anergyarrow_forwardWhich of the following participates in an immediate rather than an induced innate immune response to infection in a human host? (Select all that apply.) a. scavenger receptors b. commensal microorganisms c. dectin-1 d. alternative pathway of complement activation e. MyD88 f. CXCL8 g. defensins h. NOD1 and NOD2 i. lectin pathway of complement activation.arrow_forward
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