Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 19, Problem 5MCQ
Summary Introduction
Introduction:
The immunodeficiency syndrome is of two types: primary or congenital immunodeficiency. It is a hereditary disorder. It may be autosomal recessive or X-linked. Secondary or acquired immunodeficiency is caused by various immunosuppressant drugs or by HIV infection.
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Chapter 19 Solutions
Microbiology: An Introduction
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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- Which of the following increases the likelihood of successful organ transplant? a. matching the ABO blood group antigens b. matching the MHC tissue antigens c. administration of immunosuppressive drugs d. all of these choicesarrow_forwardA person shows unwelcome immunogenic reactions while exposed to certain substances.(a) Name this condition.(b) What common term is given to the substances responsible for this condition?(c) Name the cells and the chemical substances released which cause such reactions.arrow_forwardWhich, if any, of the following statements is incorrect?a) Each person makes many millions of different HLA proteins so as to be able to recognize and bind foreign antigens.b) Classical HLA proteins are highly polymorphic; non-classical HLA proteins show very limited polymorphism.c) Classical class I HLA proteins are displayed on the surface of very few cell types, notably immune system cells.d) HLA proteins are the most polymorphic human proteins.arrow_forward
- Which of the following statements is not true?(A) An antibody has more than one antigen-binding site.(B) A lymphocyte has receptors for multiple differentantigens.(C) An antigen can have different epitopes.(D) A liver or muscle cell makes one class of MHC molecule.arrow_forwardThe antigen-binding site of an immunoglobulin is The antigen-binding site of an immunoglobulin is formed from a. the V regions of light chains only b. the C regions of heavy chains only c. paired V regions of a single heavy chain and a single light chain d. paired V regions of two light chains e. paired C regions of two heavy chains.arrow_forwardImmunosuppression is a lowering of the responsiveness ofthe immune system to materials it recognizes as foreign and isproduced by _________and_________ .(a) antibodies and foreign antigens(b) NK cells and allergen desensitizers(c) radiation and cytotoxic drugs(d) hypersensitivity and transplant rejection(e) a and darrow_forward
- Acquired Immunodeficiency Syndrome is characterized by which of the following?a. Caused by a retrovirusb. A weakened immune systemc. can result in death from cancer or infection.d. AII of the above.arrow_forwardWhich of the following best describes the impacts of antigenic variation? Mark all that apply. A. requires clonal selection of B cells B. causes a primary immune response C. involves T-independent immune responses D. memory cells are stimulated by the antigen variantsarrow_forwardWhich of the following sudden changes might be a result of an infection? a. increase in the activity of white blood cells b. decrease in the activity of antigens produced by the mitochondria c. decrease in the amount of DNA present in the nuclei of cells d. increase in the number of red blood cellsarrow_forward
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