Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Question
Chapter 16.5, Problem 14AYP
Summary Introduction
To identify:
A type IV delayed hypersensitivity reaction, and describe the role of T cells in the pathogenesis of this condition.
Concept introduction:
Type IV hypersensitivities result observed when T cells respond to antigens displayed on the tissue of the host or transplanted foreign cells. Type IV hypersensitivity is also known as delayed hypersensitivity because, the symptoms arise several days after the second contact with an antigen.
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Chapter 16 Solutions
Microbiology: A Systems Approach
Ch. 16.1 - Define immunopathology, and describe the two major...Ch. 16.1 - Prob. 2AYPCh. 16.2 - Prob. 3AYPCh. 16.2 - Outline the steps of a type I allergic response,...Ch. 16.2 - Identify three conditions caused by IgE-mediated...Ch. 16.2 - Prob. 6AYPCh. 16.2 - Prob. 7AYPCh. 16.2 - Prob. 8AYPCh. 16.3 - List the three immune components causing cell...Ch. 16.3 - Prob. 10AYP
Ch. 16.3 - Prob. 11AYPCh. 16.4 - Prob. 12AYPCh. 16.4 - Prob. 13AYPCh. 16.5 - Prob. 14AYPCh. 16.5 - List four classes of grafts, and explain how host...Ch. 16.6 - Prob. 16AYPCh. 16.6 - Prob. 17AYPCh. 16.7 - Prob. 18AYPCh. 16.7 - Prob. 19AYPCh. 16.7 - Prob. 20AYPCh. 16 - Prob. 1MCQCh. 16 - Prob. 2MCQCh. 16 - The contact with allergen that results in symptoms...Ch. 16 - Prob. 4MCQCh. 16 - Prob. 5MCQCh. 16 - Prob. 6MCQCh. 16 - Prob. 7MCQCh. 16 - Prob. 8MCQCh. 16 - Prob. 9MCQCh. 16 - Prob. 10MCQCh. 16 - Prob. 11TFCh. 16 - Prob. 12TFCh. 16 - Prob. 13TFCh. 16 - Prob. 14TFCh. 16 - Prob. 15TFCh. 16 - Prob. 1CTQCh. 16 - Summarize the roles of the microbiome and genetics...Ch. 16 - Prob. 3CTQCh. 16 - Prob. 4CTQCh. 16 - Prob. 5CTQCh. 16 - From chapter 15. figure 15.1. How would a persons...Ch. 16 - Prob. 2VCCh. 16 - Prob. 1CM
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- Which of the following is a critical feature of immediate hypersensitivity? inflammation cytotoxic T cells recruitment of immune cells histamine releasearrow_forwardContrast type II and type III hypersensitivities with respect to typeof antigen, antibody, and manifestations of disease.arrow_forwardList the subclasses of T-helper cells and state the type(s) of the pathogen(s) targeted by each?arrow_forward
- Define immunological tolerance, and explain mechanisms that may be responsible for T and B lymphocytes’ tolerance to self-antigens.arrow_forwardCompare and contrast the immunologic reactions involved in types I through IV hypersensitivities.arrow_forwardType I (immediate) hypersensitivity A. is mediated by IgE B. is mediated by T lymphocytes C. both is mediated by IgE and involves degranulation of mast cells D. involves degranulation of mast cellsarrow_forward
- Compare and contrast type I and type IV hypersensitivity as to mechanism, symptoms, eliciting factors, and allergens.arrow_forwardDefine the following terms:a. T cellsb. B cellsc. cellular immunityd. humoral immunitye. myoadenylate deaminase deficiencyarrow_forwardDescribe and give one example of the following: Hypersensitivity Type IVarrow_forward
- Explain why people with B cell deficiency can benefit from artificial passive immunotherapy, and discuss whether these individuals can be successfully vaccinated against various microbes.arrow_forwardWhat are the differences between humoral and cellular immunitie?. Also, identify and explain the different types of humoral immunity.arrow_forwardDefine allergy/hypersensitivity and explain what accounts for thereactions that occur in these conditions.arrow_forward
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