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 5MCQ
T cells assist in the functions of certain B cells and other _______ T cells.
- a. sensitized
- b. cytotoxic
- c. helper
- d. natural killer
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HIV causes immunodeficiency by attackinga. memory B cells. c. plasma cells.b. helper T cells. d. cytotoxic T cells.
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?
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__________________ is a condition that results when cytotoxic T cells attack the body’s own cells.a. An allergic response b. Autoimmune disease c. Passive immunityd. Active immunity
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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- An allergic reaction is an example of: a) the immune system not working at all. b) a deficiency of B cell responses. c) the immune system doing its job too well. d) an overabundance of T cell responses.arrow_forwardWhich of the following is a function of cytokines? A. Promote antibody invaders. B. Help T cells recognize invaders. C. Attract white blood cells to a possible invader. D. Destroy cancer cells.arrow_forwardWhat is the function of cytotoxic T-cells? Select one: a. They are long lived cells that provide life long immunity b. They kill cells that have the antigen they recognize c. They pump out chemical weapons & stimulate other T & B cells d. They produce and secrete antibodiesarrow_forward
- Activated helper T Cells participate in which of the following processes? a.) Differentiation of memory B cells b.) Activation of cytotoxic T Cells c.) Facilitation of macrophage phagocytosis d.) All of abovearrow_forwardWhich of these statements about T lymphocytes is false? a. Saome T cells promote the activity of B cells. b. Some T cells suppress the activity of B cells. c. Some T cells secrete interferon. d. Some T cells produce antibodies.arrow_forwardVirus-infected cells are detected and destroyed by which cells of the immune system? A)helper T cells B)macrophages C)cytotoxic T cells D)B cellsarrow_forward
- The 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_forwardWhat is the function of memory T-cells? Select one: a. Pump out chemical weapons and stimulate other T & B cells b. Release chemicals to attack and kill foreign invaders immediately c. Produce free antibodies to marked “remembered” foreign invaders d. Live a long time to be ready to fight future/repeated infections of “remembered" antigen foreign invadersarrow_forwardWhich statement describes a limitation of T-cell receptors (TCRs) compared to B-cell receptors (BCRs)? A.) only BCRs can interact with epitopes on free antigens or epitopes B.) displayed directly on the pathogen C.) only BCRs can initiate a pathogen-specific immune response D.) only BCRs recognize pathogen epitopesarrow_forward
- Which cells produce antibodies? a. Neutrophils. b. Dendritic cells. c. Cytotoxic T cells. d. Plasma cells. The role of the humoral immune response is to a. kill infected cellsb. fight pathogens found in body fluid c. prevent pathogens from entering the body d. initiate an inflammatory responsearrow_forwardWhich of these cell types aids the activation of T lymphocytes by antigens? a. Macrophages b. Neutrophils c. Mast cells d. Natural killer cellsarrow_forwardWhat type of cells secrete antibodies? A) Cytotoxic T cells B) Helper T cells C) B cells D) Plasma cells E) Antigen-presenting cellsarrow_forward
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