FUNDAMENTALS OF ANATOMY AND PHYSIOLOGY
11th Edition
ISBN: 2818440070945
Author: Martini
Publisher: PEARSON C
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Chapter 22, Problem 13RQ
Summary Introduction
To determine: The functions of the various immune cells.
Introduction: Immune cells are the number of various cells that help in establishing the immune system of an individual. It includes: macrophages, NK cells, basophils, neutrophils and so on.
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Which of the following T cells would survive education in the thymus? (a) one that recognizes neither MHC nor self-antigen, (b) one that recognizes both MHC and self-antigen, (c) one that recognizes MHC but not self-antigen, (d) one that recognizes self-antigen but not MHC.
Which of the following is NOT true about T cells?(a) T cells develop from lymphoid stem cells in the bonemarrow and mature in the thymus.(b) Cell-mediated immunity is primarily carried out by Tcells.(c) Subsequent differentiation of T cells produces cytotoxic(killer) T cells, delayed-hypersensitivity T cells, helper Tcells, and regulatory T cells.(d) Natural killer cells (NK) are exclusively differentiated Tcells.(e) T cells act in situations where antigens are embeddedin cell membranes or are inside host cells and thus areinaccessible to antibodies.
Perforins are destructive proteins associated with the activity of, (a) T cells. (b) B cells. (c) macrophages. (d) plasma cells.
Chapter 22 Solutions
FUNDAMENTALS OF ANATOMY AND PHYSIOLOGY
Ch. 22 - Define pathogen.Ch. 22 - Prob. 2CPCh. 22 - How would blockage of the thoracic duct affect...Ch. 22 - Prob. 4CPCh. 22 - Prob. 5CPCh. 22 - Prob. 6CPCh. 22 - Prob. 7CPCh. 22 - Prob. 8CPCh. 22 - Prob. 9CPCh. 22 - What effects do pyrogens have in the body?
Ch. 22 - Explain the difference between cell-mediated...Ch. 22 - Prob. 12CPCh. 22 - Prob. 13CPCh. 22 - Prob. 14CPCh. 22 - How can the presence of an abnormal peptide in the...Ch. 22 - A decrease in the number of cytotoxic T cells...Ch. 22 - How would a lack of helper T cells affect the...Ch. 22 - Prob. 18CPCh. 22 - Prob. 19CPCh. 22 - Prob. 20CPCh. 22 - Which would be more negatively affectedthe primary...Ch. 22 - Which kind of immunity protects a developing...Ch. 22 - How does increased stress reduce the effectiveness...Ch. 22 - Prob. 24CPCh. 22 - Prob. 25CPCh. 22 - What may account for the increased incidence of...Ch. 22 - Prob. 27CPCh. 22 - Prob. 28CPCh. 22 - LEVEL 1 Reviewing Facts and Terms 1. Identify the...Ch. 22 - Prob. 2RQCh. 22 - Anatomically, lymphatic vessels resemble (a)...Ch. 22 - Prob. 4RQCh. 22 - Prob. 5RQCh. 22 - Prob. 6RQCh. 22 - Phagocytes move through capillary walls by...Ch. 22 - Prob. 8RQCh. 22 - Prob. 9RQCh. 22 - Prob. 10RQCh. 22 - CD4 markers are associated with (a) cytotoxic T...Ch. 22 - Prob. 12RQCh. 22 - Prob. 13RQCh. 22 - What are the three classes of lymphocytes, and...Ch. 22 - What seven defenses present at birth provide the...Ch. 22 - Compared with innate defenses adaptive defenses...Ch. 22 - Prob. 17RQCh. 22 - A decrease in which population of lymphocytes...Ch. 22 - Skin tests are used to determine if a person (a)...Ch. 22 - Compare and contrast the effects of complement...Ch. 22 - How does a cytotoxic T cell destroy another cell...Ch. 22 - How does the formation of an antigen-antibody...Ch. 22 - Give one example of each type of immunity: innate...Ch. 22 - Prob. 24RQCh. 22 - An investigator at a crime scene discovers some...Ch. 22 - Ted finds out that he has been exposed to measles....Ch. 22 - While walking along the street, you and your...Ch. 22 - Paulas grandfather is diagnosed as having lung...Ch. 22 - Willy is allergic to ragweed pollen and tells you...Ch. 22 - Prob. 1CCCh. 22 - Does baby Ruthie still need her chickenpox vaccine...
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Similar questions
- Lymphocytes responsible for providing cell-mediated immunity are called(a) macrophages. (b) B cells. (c) plasma cells. (d) cytotoxic T cells.arrow_forwardWhich statement best describes the difference between responses of effector B cells (plasma cells) and those of cytotoxic T cells? (A) B cells confer active immunity;cytotoxic T cells confer passive immunity. (B) B cells respond the first time a pathogen is present; cytotoxic T cells respond subsequent times. (C) B cells secrete antibodies against a pathogen; cytotoxic T cells kill pathogen-infected host cells. (D) B cells carry out the cell-mediated response; cytotoxic T cells carry out the humoral response.arrow_forwardCD4 markers are associated with, (a) cytotoxic cells. (b) regulatory cells. (c) helper T cells. (d) a, b, and c.arrow_forward
- Give a function for each of the following: (a) cytotoxic T cells (b) helper T cells(c) regulatory T cells (d) plasma cells (e) NK cells (f) interferons (g) T cells (h) B cells (i) interleukins.arrow_forwardAll of the following cells directly incorporate antigens into their structures, EXCEPT: A). Antigen presenting cells. B). Helper T cells C). B cells D). Killer T cellsarrow_forwardExplain the mechanism by which (A) macrophages and NK cells, and (B) macrophages and effector T cells become mutually activated in the course of an innate and adaptive immune response, respectively. (C) Which gene defects would impair these mutual activation processes?arrow_forward
- CD4 markers are associated with (a) cytotoxic cells. (b) suppressor cells. (c) helper T cells. (d) a, b, and c.arrow_forwardB cell-receptors differ from T cell-receptors in that ________. A) B cell-receptors are immunoglobulins similar to those that are secreted, whereas T cell-receptors are not immunoglobulins and are never secreted B) T cell-receptors are much smaller than B cell-receptors C) All of the choices reflect differences between B cell- and T cell-receptors. D) B cell-receptors are comprised of four polypeptides, whereas T cell-receptors are made up of two polypeptidesarrow_forward1. How does the thymus help the body avoid autoimmune responses? (A) By negatively selecting T cells with receptors that bind to peptide-MHC complexes with high affinity. (B) By positively selecting T cells with receptors that only recognize self peptides. (C) By facilitating cell signaling between T cell surface receptors and antigens in the thymic capsule. (D) By using clonal deletion to eliminate antigen-presenting cells that have low affinity for T cells receptors. 2. Functions of the innate immune system include all of these EXCEPT: (A) to eliminate pathogens directly. (B) to mediate the inflammatory response. (C) to activate the adaptive immune system. (D) All of these are functions of the innate immune system.arrow_forward
- In a normal individual, a T cell that interacts with a self-antigen in the thymus will more than likely undergo what process (which answer is best)? A) apoptosis B) release granules C) activation D) extravasation E) anergyarrow_forwardWhich of the following is NOT true of Innate Lymphoid Cells (ILCs)? A) Each ILC type responds to a different category of pathogens. b.)) ILCs are derived from the common lymphoid precursor. c. )) ILCs rearrange their antigen receptors in a similar way to T-cells. d. ))Each ILC type is distinguished by the cytokines that it produces. e. ))Development of each ILC type is driven by unique transcription factors.arrow_forwardWhich of the following lists contains cells that are typically considered to be associated with the innate immune response? Question 14 options: A) neutrophils, macrophages, T cells B) neutrophils, macrophages, NK cells C) B cells, T cells, and NK cells D) basophils, T cells, mast cellsarrow_forward
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