FUNDAMENTALS OF ANATOMY AND PHYSIOLOGY
11th Edition
ISBN: 2818440070945
Author: Martini
Publisher: PEARSON C
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Chapter 22, Problem 8RQ
Summary Introduction
Introduction:
Perforins are a set of proteins that are responsible for forming the pores in the cell membranes of the target and the process by which it occurs is known as perforation.
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Perforins are destructive proteins associated with the activity of, (a) T cells. (b) B cells. (c) macrophages. (d) plasma cells.
Lymphocytes responsible for providing cell-mediated immunity are called(a) macrophages. (b) B cells. (c) plasma cells. (d) cytotoxic T cells.
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.
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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- Stem cells responsible for the process of lymphocytopoiesis are located in the(a) thymus and spleen. (b) lymph nodes. (c) red bone marrow. (d) a, b, and c are correct.arrow_forwardPhagocytes move through capillary walls by squeezing between adjacent endothelial cells, a process known as (a) diapedesis. (b) chemotaxis. (c) adhesion. (d) perforation.arrow_forwardWhich of the following immune cells/molecules are most ef-fective at destroying intracellular pathogens?(a) TH cells (d) B cells(b) Antibodies (e) Complement(c) TC cellsarrow_forward
- Stem cells responsible for the process of lymphopoiesis are located in the (a) thymus and spleen. (b) lymph nodes. (c) red bone marrow. (d) a, b, and c are correct.arrow_forwardThe best definition of an antigen is:(a) A foreign molecule in the body(b) A chemical that elicits antibody production and binds tothat antibody(c) A molecule that binds to antibody(d) A pathogen(e) An enzyme that activates B cellsarrow_forwardNeutrophils are best described as: (a) Phagocytic, have bilobed nucleus and are small (2-5 microns) (b) Respond to chemokines and are primary defense against bacteria (c) Long-lived phagocytic cells. why?arrow_forward
- Which structure is depicted in the following image? A) thymus gland B) white blood cells C) jugular lymphatic trunks D) lumbar trunksarrow_forwardRed blood cells that are damaged or defective are removed from the circulation by the (a) thymus. (b) lymph nodes. (c) spleen. (d) tonsils.arrow_forwardComplement activation: (a) stimulates inflammation. (b) attracts phagocytes.(c) enhances phagocytosis. (d) a, b, and c are correct.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_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_forwardLymphoid stem cells that can form all types of lymphocytes occur in the:(a) bloodstream. (b) thymus. (c) red bone marrow. (d) spleen.arrow_forward
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