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 2MCQ
In humans. B cells mature in the _________, and T cells mature in the __________.
- a. GALT, liver
- b. bursa, thymus
- c. bone marrow, thymus
- d. lymph nodes, spleen
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Suppose a person recovers normally from viral infections, but then gets the same viral infections over and over again- unlike the rest of us.
A. What is probably wrong –B cells, helper T cells and/or cytotoxic T cells?
B. Should this person be at a higher risk of cancer than the rest of us?
C. Should this person be able to lyse bacterial cells as well as the rest of us?
D. Should this person tolerate a graft (from an unreated person) better than you are me?
Which of the following describes the developmental pathway for T cells?
a. thymus → bone marrow → spleen
b. thymus → bone marrow → thymus
c. bone marrow → thymus → lymph nodes
d. lymph nodes → thymus → spleen
e. bone marrow → lymph nodes → thymus.
which of the following cells secrete cytokines that activate B cells, T cells, and macrophages?
a. T helper cells
b. regulatory T cells
c. T cytotoxic cells
d. dendritic cells
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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- CHAPTER 20 The Lymphatic System and Immunity Matching SECTION 3 Revie w Match each lettered term with the most closely related description. a. opsonization 1 b. helper T cells Two parallel pairs of polypeptide chains Found on helper T cells C. antibody d. class II MHC 3 Active and passive 4 Transfer of antibodies e. costimulation Attacked by HIV f. IgM 6 Enhances phagocytosis g. class I MHC h. IgG 7 MHC proteins present in the plasma membranes of all nucleated cells i. passive immunity j. anaphylaxis 8 Differentiate into memory and plasma cells 9 MHC proteins present in the plasma membranes of all APCS and lymphocytes 9 k. CD4 markers 10 I. acquired immunity 10 Antibodies used to determine blood type 11 m. B lymphocytes 11 Secondary binding process required for T cell activation 12 12 Accounts for 80 percent of all immunoglobulins 13 13 Circulating allergen stimulates mast cells throughout body Match each lettered term with thearrow_forwardUnlike cytotoxic T lymphocytes, NK cells do not _____. (Select all that apply.) a. secrete cytokines b. participate in the adaptive immune response c. rearrange T-cell receptor genes d. use MHC class I molecules for their development and function e. express CD3 components.arrow_forwardThe detrimental effects of Lupus erythematosis are initiated by A. activated T cells attacking myelin B. immune complexes lodging in capillaries C. lack of activated CD4+ cellsarrow_forward
- An example of innate immune cells are: A. Macrophages B. Dendritic cells C. T cells D. B cells E. A and B onlyarrow_forwardIdentify each immune response as either humoral (H) or cellular (C). A. release of histamine causes itching & sneezing B. cytotoxic T lymphocytes kill infected cells C. plasma B cells are cloned D. antibodies mark pathogen’s antigens E. cytokines signal B & T cell production F. macrophage presents antigen to the matching receptor on helper T cellarrow_forwardWhich of the following cell types can directly regulate B cell activation and differentiation? 單選: A. Th1 cells B. Th2 cells C. Dendritic cells D. Macrophages E. Cytotoxic T cells O O O Oarrow_forward
- DiGeorge syndrome is a congenital disease that results in a poorly developed, nonfunctioning thymus gland. Which of the following would be a likely problem experienced by a baby with DiGeorge syndrome? a. lack of B cells b. lack of antibodies c. lack of T cells d. lack of macrophagesarrow_forwardWhich of the following is TRUE about B cells? A. are lymphocytes B. become mature in the thymus C. are responsible for cell-mediated immunity D. are produced in the adult spleenarrow_forwardA single antigen molecule contains multiple ________. A. T-cell receptors B. B-cell receptors C. MHC II D. Epitopesarrow_forward
- what cell provides cell mediated immunity a. monocytes b. b lymphocte c. cytotoxic t cells d. neurophilsarrow_forwardWhich of the following is not part of the innate immune system? a. Antibodies b. Skin c. Enzymes d. Neutrophilsarrow_forwardAn important distinction between macrophages that populate the lamina propria of the gut and the macrophages that populate the skin is that the former _____. a. cannot phagocytose and kill bacterial pathogens b. do not present antigens to T cells c. do not possess signaling receptors needed for production of inflammatory cytokines d. express much higher levels of TLRs e. are very rare in the gut mucosa.arrow_forward
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