Campbell Biology Custom Stony Brook 10 Th Edition
10th Edition
ISBN: 9781269870818
Author: Reece Urry Cain Wasserman Minorsky Jackson
Publisher: PEARSON
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Chapter 43, Problem 6TYU
Summary Introduction
Introduction: Vaccination is a method of injecting an inactivated bacterial toxin, killed or weakened pathogen. This induces a primary immune response and immunological memory. This method increases the “number of lymphocytes with receptors that can bind to the pathogen”. Hence, the defense mechanism reacts strongly and rapidly during the subsequent invasion of the “pathogen”.
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Human immune system
a) Pathogen-associated molecular patterns are conserved molecular structures produced by microorganisms, but not by host cells.
b) A virus-infected host cell that displays a viral antigen via MHC class I molecules may become a target of cytotoxic T cells.
c) Secreted MHC Class I proteins present in blood plasma can function as opsonins.
d) Both (a) and (b) are correct and (c) is incorrect
e) Statements (a), (b) and (c) are all correct
Plasma cells
(A) tag pathogens with antibodies
(B) are a fragment of a megakaryocyte
(C) attack tagged pathogens directly
(D) are a part of the innmate immune system
A 23 year old woman has a boil on the hand from which a gram-positive bacteria was isolated. What role does complement play in the resolution of this infection?
(a) Lyse the bacteria
(b) attracts neutrophils
(c) stimulates T cells
(d) promotes immunoglobulin class switch
Chapter 43 Solutions
Campbell Biology Custom Stony Brook 10 Th Edition
Ch. 43.1 - Pus is both a sign of infection and an indicator...Ch. 43.1 - MAKE CONNECTIONS How do the molecules that...Ch. 43.1 - Prob. 3CCCh. 43.2 - Prob. 1CCCh. 43.2 - Prob. 2CCCh. 43.2 - WHAT IF? If both copies of a light-chain gene and...Ch. 43.3 - Prob. 1CCCh. 43.3 - Treatment of antibodies with a particular protease...Ch. 43.3 - Prob. 3CCCh. 43.4 - Prob. 1CC
Ch. 43.4 - Prob. 2CCCh. 43.4 - WHAT IF? How would a macrophage deficiency likely...Ch. 43 - In what ways does innate immunity protect the...Ch. 43 - Why is the adaptive immune response to an initial...Ch. 43 - Is immunological memory after a natural infection...Ch. 43 - Prob. 43.4CRCh. 43 - Prob. 1TYUCh. 43 - An epitope associates with which part of an...Ch. 43 - Prob. 3TYUCh. 43 - Level 2: Application/Analysis 4. Which of the...Ch. 43 - Prob. 5TYUCh. 43 - Prob. 6TYUCh. 43 - Prob. 7TYUCh. 43 - Prob. 8TYUCh. 43 - MAKE CONNECTIONS Contrast clonal selection with...Ch. 43 - EVOLUTION CONNECTION Describe one invertebrate...Ch. 43 - Prob. 11TYUCh. 43 - Prob. 12TYUCh. 43 - SYNTHESIZE YOUR KNOWLEDGE This photo shows a child...
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- A man gets bitten by a rattle snake. The man is rushed to the hospital and they administer to him anti-rattle snake venom. The anti-rattle snake venom is horse antibodies that were raised against rattle snake venom, and it provides immunity against rattle snake venom. Based on what you studied in the lecture: A) what is the type of immunity that antivenom provides? B) Are the antibodies part of the innate or the adaptive immune responses? C) From what you have learned about the properties of antibodies, can this horse anti-rattle snake venom be used as anti-venom to Cobra snake venom? Explain briefly. D) Six months after this incident, the same person got bitten again by a rattle snake. However, at the hospital the doctors were informed that he was previously given horse anti-venom and so they decided that this person cannot be injected again with horse anti-venom, and they had to find an anti-venom not prepared in horse. Explain briefly why he cannot get any horse anti-venom again,…arrow_forwardAPC cells with antigen presented on MHC I can trigger which naïve cell type to activate, thus forming memory and effector cells? O 1) macrophages O 2) CD4 cells O 3) CD8 cells O 4) B cellsarrow_forward1) The immune system and the brain are (two correct answers) : unrelated to one another strictly connected communicate through biological pathways including inflammation 2) How would you define the relationship between the immune system and the brain? a) Unidirectional (the immune system does not influence the brain) b) Unidirectional (the brain influences the immune system but only in case of severe physical diseases like cancer) c) bidirectional (they influence each other)arrow_forward
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