BIO 242 EXAM 3 Questions And Answers With Complete Solutions
BIO 242 EXAM 3 Questions And Answers With Complete Solutions
BIO 242 EXAM 3 Questions And Answers With Complete Solutions
BIO 242 EXAM 3 Questions And Answers With Complete Solutions
BIO 242 EXAM 3 Questions And Answers With Complete ...
1. Which lines of defense would be considered nonspecific and innate?: First line
h h h h h h h h h h h
of defense
h h
Second line of defense
h h h
2. Differentiate between components of first and second line defense: -
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FIRST:Physical and Chemical barriers h h h
SECOND: phagocytosis, inflammation, fever, antimicrobial proteins
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3. FLOD: lysozome: is secreted in tears and saliva
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4. What human body region is protected by fatty acids, acidic pH, lactic acid, and
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h tough cell barrier with its own normal biota?: skin
h h h h h h h h
5. The sweat doud on skin and saliva in the mouth attributed to what line of
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h defense?: First line h h
6. Eosinophils: attack parasitic helminths h h h
7. Basophils: - make up less than .5% of circulating WBCs
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- granules contain histamine h h
8. When monocytes migrate from the blood out to the tissues, they are trans-
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1 /
h
, BIO 242 EXAM 3 h h h
h formed by inflammatory mediators to develop into
h h h h h h : Macrophages
h
9. Inflammation- Cardinal Signs: - Rubor: redness h h h h h
- Calor: warmth h
-Tumor: swelling h
Dolor: pain
h h
10.The third line of defense against foreign invaders can be described as
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h having and : Specificity and Memory
h h h
11. A
h foreign molecule that causes a specific immune response is an
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: Antigen
h
12. h cells are part of the humoral immunity and mature in the Bone Marrow-
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: B cells
h h
13. h cells are part of the cell mediated immunity and mature in the
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h thymyus: T cells h h
14.The most abundant class of antibodies in serum is: IgG
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2 /
h
, BIO 242 EXAM 3
h h h
15. h cells secrete antibodies: Plasma
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16.IgG: monomer= 80% highest number of antibodies 2
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h binding site
h
3 /
h
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