Microbiology: An Introduction, Books a la Carte Plus Mastering Microbiology with Pearson eText -- Access Card Package (13th Edition)
13th Edition
ISBN: 9780134729336
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Chapter 19, Problem 1MCQ
Summary Introduction
Introduction:
Desensitization is a term to reduce the IgE antibodies against the allergen or antigen that enter in our body. It is done by giving a minor dose of allergen to the patient, to produce less amount of IgE antibody and stimulate cellular immunity.
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C4a
A.
functions as an opsonin
B.
binds to the surface of an antigen
C.
is immediately inactivated once formed
D.
binds to the surface of immune cells
E.
is the large subunit of C4
Number 7
The major inflammatory mediator released by degranulating mast cells in type I hypersensitivity is
a. immunoglobulin
b. complement
c. histamine
d. interleukin
e. prostaglandin
Chapter 19 Solutions
Microbiology: An Introduction, Books a la Carte Plus Mastering Microbiology with Pearson eText -- Access Card Package (13th Edition)
Ch. 19 - DRAW IT Label IgE, antigen, and mast cell, and add...Ch. 19 - Prob. 2RCh. 19 - Discuss the roles of antibodies and antigens in an...Ch. 19 - Prob. 4RCh. 19 - Prob. 5RCh. 19 - Differentiate the three types of autoimmune...Ch. 19 - Summarize the causes of immunodeficiencies. What...Ch. 19 - Prob. 8RCh. 19 - Prob. 9RCh. 19 - Prob. 10R
Ch. 19 - Prob. 1MCQCh. 19 - What does pluripotent mean? a. Ability of a single...Ch. 19 - Prob. 3MCQCh. 19 - Antibodies against HIV are ineffective for all of...Ch. 19 - Prob. 5MCQCh. 19 - Which antibodies will be found naturally in the...Ch. 19 - Prob. 7MCQCh. 19 - Use the following choices to match the type of...Ch. 19 - Use the following choices to match the type of...Ch. 19 - Prob. 10MCQCh. 19 - When and how does our immune system discriminate...Ch. 19 - The first preparations used for artificially...Ch. 19 - Prob. 3ACh. 19 - Prob. 4ACh. 19 - Prob. 1CAECh. 19 - Prob. 2CAECh. 19 - Prob. 3CAECh. 19 - Prob. 4CAE
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- Activated complement proteins ________. a. puncture cells c. attract macrophages b. promote inflammation d. all of the abovearrow_forwardMatch the immunity concept with the best description. ___anaphylactic shock a. recognizes antigen ___immune memory b. inadequate immune response ___autoimmunity c general defense mechanism ___inflammation d. immune response against ones own body ___immune deficiency e. secondary response ___antigen receptor f. acute allergic reaction ___antigen processing g. presenting antigen together with MHC markersarrow_forwardAll of the following are functions of antibodies except a. neutralization of pathogen. b. destruction of antigen. c. agglutination of antigen. d. opsonization.arrow_forward
- a. almti-11 b. anti-B antibodies c. anti-Rh antibodies d. no antibodies List all of the blood types to which the following people could donate: a. Person 1: Type A- b. Person 2: Type O+ c. Person 3: Type AB- d. Person 4: Type B+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_forwardWhich ONE of the following is necessary after chimeric antigen receptor (CAR)‐T cell therapy for relapsed acute lymphoblastic leukaemia? Select one: A.2 years of maintenance mercaptopurine B.2 years of maintenance mercaptopurine C.Prophylactic antifungal therapy D.Lifelong immunoglobulin replacement therapyarrow_forward
- 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 abovearrow_forwardNon-protein antigens are ineffective becase they cant A. Trigger IgM production B. Be used as a BCR to activate neutrophils C. Be presented on MCH II to activate T helper cells D. Cause B cell apoptosisarrow_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
- Which of the following is a critical feature ofimmediate hypersensitivity?a. inflammationb. cytotoxic T cellsc. recruitment of immune cellsd. histamine releasearrow_forwardWhat class of antibodies is normally found in the mucosa of the respiratory tract? a. IG-A b. IG-D c. IG-M d. IG-Garrow_forwardMatch the antibody in Column A with its description or function in Column B. There may be more than one answer for each antibody.arrow_forward
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