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BIOS 242 EXAM 2 QUESTIONS AND ANSWERS
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BIOS 242 EXAM 2 QUESTIONS AND ANSWERS
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EXAM 3 BIOS 242- CHAMBERLAIN j j j jStudyjonlinejatjhttps://quizlet.com/_ci4p6e
1. the first line of defense is a surface pr anatomical, physiological
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otection composed of and j j j
barriers that keep microbes fr j j j j
om penetrating sterile body com-
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partments
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2. the second line of defense is a
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system that comes imme- j j j
diately into play if infectious agents
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make it past the surface defenses
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specific host defenses j j
3. the third line of defense include
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that must be developed uniqu j j j j
ely for each microbe through the acti
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on of specialized white blood cells
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4. the first line of defense includes
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5. the second line of defense includes phagocytosis, inflammation, fever,
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antimicrobial proteins j
6. the third line of defense includes
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7. what are the physical barriers onthe s hairfollicles,sweatglands,mucous mem
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kin? branes
8. what are the chemical barriers of the lysozyme,saliva, sweat, skin's pH,
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skin? hydrochloric acid, bile, resident mi- j j j j
crobiota j
9. what are the first lines of defense in th saliva (contains lysozyme)
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e mouth?
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10. where do B cells mature? j j j j developand maturein redbone mar- j j j j j j
row
11. where do t cells mature? j j j j develop in bone marrow and mature j j j j j
in the thymus
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, EXAM 3 BIOS 242- CHAMBERLAIN j j j j
Studyjonlinejatjhttps://quizlet.com/_ci4p6e
12. what is an antigen?j j j foreign molecule that causes a spe-
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cific immune response
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13. what is another name for antigens? immunogens
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14. where do antigens come from? j j j j proteins and polysaccharides from
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cells and viruses
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15. what are the functions of plasmid c
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ells? sue/blood, attach to antigens for de-
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struction
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16. true or false: plasmid cells can pro-
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duce 2000 antibodies per second
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17. what is the percentage of neu-
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trophils circulating WBC?
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18. what is the percentage of eosin
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ophils circulatingWBC? j j
19. what is the percentage of basophils ci less than 0.5%
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rculating WBC? j
20. what is the percentage of lympho-
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cytes circulating WBC?
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21. what is the percentage of mono-
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cytes circulating WBC?
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22. what is the function of neutrophils? production of toxic chemicals and
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phagocytosis
23. neutrophils react early in the respo inflammatory j j j j jj j j
nse to bacteria, foreign mate-
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rials, and damaged tissue
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24. a common sign of a bacterial infec-
j j j j j j neutrophils
tion is a high number of
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2j/j15
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