Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 15, Problem 7MCQ
Which of the following can serve as antigen-presenting cells (APCs)?
a. T cells
d. dendritic cells
b. B cells
e. b, c, and d
c. macrophages
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Chapter 15 Solutions
Microbiology: A Systems Approach
Ch. 15.1 - Describe how the third line of defense is...Ch. 15.1 - Prob. 2AYPCh. 15.1 - Discuss four major functions of immune system...Ch. 15.1 - Define the role of the major histocompatibility...Ch. 15.1 - Compare and contrast the process of antigen...Ch. 15.2 - Prob. 6AYPCh. 15.2 - Prob. 7AYPCh. 15.2 - Outline the processes of clonal selection and...Ch. 15.2 - Prob. 9AYPCh. 15.3 - Compare the terms antigen and epitope.
Ch. 15.3 - List characteristics of antigens that optimize...Ch. 15.3 - Prob. 12AYPCh. 15.3 - List the types of cells that can act as...Ch. 15.4 - Prob. 14AYPCh. 15.4 - Diagram the steps of B-cell activation, and list...Ch. 15.5 - Prob. 16AYPCh. 15.5 - Explain the role of cytotoxic T cells in...Ch. 15.6 - Diagram an antibody binding antigen, and list the...Ch. 15.6 - List the five types of antibodies and important...Ch. 15.6 - Draw and label a graph illustrating the...Ch. 15.7 - Prob. 21AYPCh. 15.7 - Discuss the qualities of an effective vaccine.Ch. 15.7 - List several types of vaccines, and discuss how...Ch. 15.7 - Explain the principle of herd immunity and the...Ch. 15 - The primary B-cell receptor is a. IgD. b. IgA. c....Ch. 15 - In humans. B cells mature in the _________, and T...Ch. 15 - Small, simple molecules are ________ antigens. a....Ch. 15 - The cross-linkage of antigens by antibodies is...Ch. 15 - T cells assist in the functions of certain B cells...Ch. 15 - TC cells are important in controlling a. virus...Ch. 15 - Which of the following can serve as...Ch. 15 - A vaccine that contains parts of viruses is called...Ch. 15 - Conjugated vaccines combine antigens and a....Ch. 15 - Widespread immunity that protects the population...Ch. 15 - Cell surface markers are also often called...Ch. 15 - Antibodies are secreted by monocytes.Ch. 15 - Vaccination could be described as artificial...Ch. 15 - IgE antibodies are found in body secretions.Ch. 15 - Prob. 15TFCh. 15 - Explain the two main features that characterize...Ch. 15 - Prob. 2CTQCh. 15 - Prob. 3CTQCh. 15 - Provide an explanation to refute the following...Ch. 15 - a. Explain how the anamnestic response is...Ch. 15 - Prob. 1VCCh. 15 - Using the words that follow, please create a...
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- Which of the following is not important in the antiviral innate immune response?a. interferonsb. natural killer cellsc. complementd. microphagesarrow_forwardWhich one of the following acts as the “alarm signal” to activate the body’s adaptive immune system by stimulating helper T cells? a. B cells b. Interleukin-1 c. Complement d. Histaminesarrow_forwardWhich of the following is not part of the innate immune system? a. Antibodies b. Skin c. Enzymes d. Neutrophilsarrow_forward
- Explain 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_forwardWhich of the following is part of the second line of defense against pathogens?a. skin b. mucus membranesc. lysozyme in tears d. phagocytes Which of the following does NOT have MHC class II molecules on the surface of their cell membranes? a. Macrophages.b. Dendritic cells.c. B cells.d. Helper T cells.arrow_forwardA number of minor cancerous cells and infected viruses, such as Epstein Barr (EBV), are able to go undetected by cytotoxic T cell degradation by what possible mechanism? a. the production of normal class I MHC molecule b. helper T cell activation c. the deactivation of the complement system d. tumor antigen expression e. the production of the class II major histocompatability (MHC) moledulearrow_forward
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