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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Contact dermatitis:
A. is antibody mediated
B. is both a type I hypersensitivity reaction and is cell mediated
C. is a type I hypersensitivity reaction
D. is cell mediated
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
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_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 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_forwardA. In table form, differentiate Primary from Secondary Immune Response according to the ff. a. type of Ig b. action of memory cells c. amount and speed of antibody production d. recognition phase e. timing of exposure B. Enumerate 5 lab tests/procedures done to obtain/identify Lymphocytes. Then briefly discuss onearrow_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_forwardA. In table form, differentiate Primary from Secondary Immune Response according to the ff. a. type of Ig b. action of memory cells c. amount and speed of antibody production d. recognition phase e. timing of exposure B. In table form, differentiate Cell mediated from Antibody mediated (humoral) Immunity according to type of cells involved and product form C. Enumerate 5 lab tests/procedures done to obtain/identify Lymphocytes. Then briefly discuss one.arrow_forward44) 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_forward
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