EBK HUMAN BIOLOGY
11th Edition
ISBN: 9780100545939
Author: MCMILLAN
Publisher: YUZU
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Textbook Question
Chapter 9, Problem 5SQ
Antibody-mediated responses work best against _______.
- a. pathogens inside cells
- b. pathogens outside cells
- c. toxins
- d. both b and c
- e. all are correct
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Molecular mimicry is when ____ on host cells resemble _____ on pathogens causing host to mount an immune response to host tissues.(same word for both blanks)
a. Immunoglobulins
b. Antibodies
c. Antigens
Antibodies are______ . a. antigen receptors c. proteins b. made only by B cells d.all of the above
Enhanced phagocytosis of a cell by the binding of aspecific protein is called ________.a. endocytosisb. opsonizationc. anaphylaxisd. complement activation
Chapter 9 Solutions
EBK HUMAN BIOLOGY
Ch. 9 - Prob. 1RQCh. 9 - Distinguish between a. neutrophil and macrophage...Ch. 9 - What is the difference between innate immunity and...Ch. 9 - What is the difference between an allergy and an...Ch. 9 - ______ are barriers to pathogens at body surfaces....Ch. 9 - Complement proteins function in defense by...Ch. 9 - Prob. 3SQCh. 9 - Prob. 4SQCh. 9 - Antibody-mediated responses work best against...Ch. 9 - Cell-mediated responses work best against...
Ch. 9 - The most common antigens are __________. a....Ch. 9 - The ability to develop a secondary immune response...Ch. 9 - Tears are part of the bodys defensive arsenal....Ch. 9 - Match the immunity concepts: __________...Ch. 9 - New research suggests a link between some microbes...Ch. 9 - Given what you now know about how foreign invaders...Ch. 9 - Researchers have been trying to develop a way to...Ch. 9 - Prob. 4CTCh. 9 - Prob. 5CT
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- During the adaptive immune response, the role of helper T cells includes _____. Mark all that apply. Group of answer choices a. using CD8 to identify cells that are infected with pathogens b. facilitating clonal selection c. using CD4 to recognize antigen presenting cells d. activating mitosis in B cells e. auto-activation of mitosis (self-activating mitosis to produce more helper T and memory T cells) f.using T cell receptors to bind epitopes on pathogensarrow_forwardVaccination is synonymous with _________ immunity.a. natural active b. artificial passive c. artificial actived. natural passivearrow_forwardAll of the following are true of some or all complement proteins except _____. a. they are soluble and bind to pathogen surfaces b. they participate only in innate immunity c. they are present in extracellular fluids, blood, and lymph d. they facilitate the phagocytosis of pathogens e. they are made as zymogens.arrow_forward
- They type of acquired immunity that results from the inoculation of immune serum is called: a. natural acquired passive b. naturally acquired active c. artificial acquired active d. artificial acquired passivearrow_forwardWhat types of cells could be involved in specific immune reactionsagainst the rabies virus?a. T cells b. B cells c. macrophages d. dendritic cells e. a, b, and d f. all of thesearrow_forwardantigen presenting cells are necessary for ___ response to a foriegn antigen a. b lyphocyte b. t lyphocyte c. macrophage d. antibodyarrow_forward
- Frequently, several different signals or molecules are needed in order to produce an immune response by a B cell or T cell. The second signal in this process is called ___________. Select one: a. costimulation b. opsonization c. complement activation d. antigen processing e. copresentationarrow_forwardHelper T cells do not _________. Select one: a. secrete cytokines that stimulate clonal selection of B cells. b. secrete inflammatory chemicals. c. secrete cytokines that stimulate macrophage activity. d. secrete cytokines that stimulate clonal selection of cytotoxic T cells. e. secrete fever-producing chemicals.arrow_forwardMicrobial products trigger macrophage activation. Match the receptor with the product that it binds. ✓ TLR-4 ✓ TLR-3 ✓ TLR-9 TLR-5 A. Unmethylated DNA B. Double-stranded RNA C. LPS D. Flagellaarrow_forward
- An 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_forwardA(n) _____ is an inactive form of an enzyme that frequently participates in a cascade of enzymatic reactions during complement activation. a. regulator of complement activation b. convertase c. complement control protein module d. zymogen e. opsonin.arrow_forwardMHCII molecules will bind __________ and locate to the cell surface.a. T-independent type antigensb. endogenous antigen c. autoantigens d. exogenous antigenarrow_forward
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