Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 34, Problem 6MCQ
Summary Introduction
Introduction:
The humoral system includes the growth and differentiation of the
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Which 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 spleen
To become a fully activated, antibody-secreting cell, B cells usually need:
a. to encounter an antigen or receive a signal delivered by a helper T cell.
b. to ingest a foreign invader such as a microobe.
c. activation by a plasma cell
d. contact with an antigen and helper T cell cytokines
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 34 Solutions
Biology: Concepts and Investigations
Ch. 34.1 - Prob. 1MCCh. 34.1 - Prob. 2MCCh. 34.1 - Prob. 3MCCh. 34.1 - Prob. 4MCCh. 34.2 - List the categories of inn ate defenses.Ch. 34.2 - Describe the physical barriers to infection.Ch. 34.2 - How do white blood cells contribute to innate...Ch. 34.2 - Prob. 4MCCh. 34.2 - Prob. 5MCCh. 34.3 - Prob. 1MC
Ch. 34.3 - What are the two subdivisions of adaptive...Ch. 34.3 - Prob. 3MCCh. 34.3 - Prob. 4MCCh. 34.3 - Prob. 5MCCh. 34.3 - Prob. 6MCCh. 34.4 - Prob. 1MCCh. 34.4 - Prob. 2MCCh. 34.4 - Prob. 3MCCh. 34.5 - Prob. 1MCCh. 34.5 - Prob. 2MCCh. 34.5 - Prob. 3MCCh. 34.5 - Prob. 4MCCh. 34.6 - Prob. 1MCCh. 34.6 - Prob. 2MCCh. 34 - Prob. 1MCQCh. 34 - Histamine acts on the _____, causing redness and...Ch. 34 - Prob. 3MCQCh. 34 - The innate immune response is characterized by its...Ch. 34 - Prob. 5MCQCh. 34 - Prob. 6MCQCh. 34 - Why is the secondary immune response so much...Ch. 34 - Prob. 8MCQCh. 34 - Prob. 9MCQCh. 34 - Prob. 1WIOCh. 34 - Prob. 2WIOCh. 34 - Explain why a scraped knee increases the chance...Ch. 34 - Prob. 4WIOCh. 34 - Prob. 5WIOCh. 34 - Prob. 6WIOCh. 34 - Prob. 7WIOCh. 34 - Prob. 8WIOCh. 34 - Prob. 9WIOCh. 34 - Prob. 10WIOCh. 34 - Prob. 11WIOCh. 34 - Explain the difference between clonal deletion and...Ch. 34 - Prob. 1PITCh. 34 - Prob. 2PITCh. 34 - Circle the immune system components that a vaccine...Ch. 34 - How do lymph and lymph nodes fit into this concept...Ch. 34 - Where else might macrophages fit into this concept...
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- Activated complement proteins ________. a. puncture cells c. attract macrophages b. promote inflammation d. all of the abovearrow_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_forwardSuppose 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?arrow_forward
- what cell provides cell mediated immunity a. monocytes b. b lymphocte c. cytotoxic t cells d. neurophilsarrow_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_forwardExplain why each choice (a-d) is correct or incorrect. Which statement is true about T cells? a. They usually directly recognize antigens, which then activates a subpopulation of killer cells b. Their proliferation is enhanced by interleukins 1 and 2. c. Once activated, they cannot secrete cytokines. d. They will develop into cytotoxic T cells if antigen is complexed with class II MHC proteins.arrow_forward
- 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_forwardT cells that react with self antigens are destroyed through: A. cytokinesis b. macrophages c. perforins d. apoptosisarrow_forwardThe T-cell antigen receptor is similar to immunoglobulin molecules in that it: a. can cross the placenta and provide protection to a fetus b. remains bound to the cell surface and is never secreted c. binds complement d. contains V and C regions on each of its chainarrow_forward
- All of the following occur after B cells leave the bone marrow except a. peripheral tolerance b. receptor editing c. differentiation into plasma cells d. formation of follicular center cell lymphomas e. production of memory B cells f. recirculation between lymph, blood, and secondary lymphoid tissues.arrow_forwardWhich of the following is NOT true about T cells? A. Natural killer cells (NK) are exclusively differentiated T cells B. T cells act in situations where antigens are embedded in cell membranes or are inside host cells and thus are inaccessible to antibodies C. T cells develop from lymphoid stem cells in bone marrow and mature in the thymus D. Cell-mediated immunity is primarily carried out by T cellsarrow_forwardWhich of the following can serve as antigen-presenting cells (APCs)?a. T cells b. B cells c. macrophages d. dendritic cells e. b, c, and darrow_forward
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