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27 Cards in this Set
- Front
- Back
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The __________system (tissues, cells and organs that fight off illness and disease) is composed of both ________ (non specific) and ________ (specific) defences against pathogens and other foreign invaders.
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Immune system, innate,adaptive
Page 131 paragraph 1 |
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True or false
Innate defence functions occur the same way every time regardless of the type or number of pathogens present. |
True
Page 131 paragraph 2 |
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True or false
Innate defence functions include a first line of defence ( skin, mucos membrane and digestive enzymes) and a second line of defence that can include,Fever,inflamation, phagocytosis,natural killer cells, interferons,chemotaxisand cytokines |
True
Page 131 paragraph 2 |
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The engulfing of pathogens by white blood cells is called _________
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Phagocytosis
Page 131 paragraph 3 |
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True or False
Mild fever benefits the body by killing pathogens that grow better at a lower body temperature |
True
Page 131 paragraph 3 |
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____________ occurs as a responce to irritating chemicals , heat, trauma, or infection by pathogens
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Inflamation
Page 131 paragraph 3 |
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Redness , heat , swelling and pain are the four cardinal signs of ______________
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Inflamation
Page 131 paragraph 3 |
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Natural killer cells produce _________ ( pore forming proteins) that target cancer and virus cells
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Perforins
Page 131 paragraph 3 |
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Perforins cause cancer or virus cells to __________ or rupture
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Lyse
Page 131 paragraph 3 |
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_____________ are the body's responce to virus infection and prevent replication after 7 to 10 days
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Interferons
Page 131 paragraph 3 |
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True or false
Interferons activate natural killer cells and macrophages |
True
Page 131 paragraph 3 |
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________ is the method by which leukocytes (white blood cells) respond to damaged body tissue.
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Chemotaxis
Page 131 paragraph 3 |
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____________ are chemical messengers released by damaged body tissue
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cytokines
Page 131 paragraph 3 |
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___________ is the process of white blood cells squeezing through capiillary slits in responce to cytokines. The white blood cells are then guided by cellular adhesion molecules to the damaged tissue or site of infection
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Diapedesis
Page 131 paragraph 3 |
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True or False
Adaptive responces are known as the third line of defence, they are SPECIFIC defences |
True
Page 131 paragraph 3 |
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Adaptive reponces ( specific ) include bothe the _________ (antibody mediated) AND ___________ responces.
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Humoral , Cell mediated
Pg 131 Paragraph 3 |
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In the Antibodies mediated responce ___________ are produced that are specific for the invading antigen
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Antibodies,
Pg 131 Paragraph 3 |
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In the Antibodies mediated responce antibodies are produced that are specific for the invading ________
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Antigen
Pg 131 paragraph 3 |
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The antigen binds to _________ (types of lemphocytes or small leukocyctes) followed by binding with T helper cells. his activates the B cells to produce ANTIBODIES.
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B cells
Pg 131 paragraph 3 |
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True or False
In active immunity an individual recieves a vaccine the simulates an actual infection by a pathogen, stimulating the body to produce antibodies against that pathogen. |
True
Pg 131 paragraph 3 |
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True or False
In passive immunity, an individual does not produce his or her own antibodies, but rather recieves them from another source. ( such as breast milk) |
True
Pg 131 paragraph 3 |
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In cell mitagated immunity __________ are primarily responsible for recognizing non self cells
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T cells
Pg 131 paragraph 4 |
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True or false
A T cell is a Lyphocyte that triggers the action of other lyphocytes. |
True
Pg 131 paragraph 3 |
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In cell mediated immunity a three step process takes place: Step one : ____________ captures the nonself cell.
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Macrophages
Pg 131 paragraph 5 |
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In cell mediated immunity a three step process takes place: Step one : Macrophages capture the nonself cell. Step two: A __________ cell binds to it and secretes ___________ That signals the ___________ T cell.
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T helper, cytokine, cyctotoxic T cell
Pg 131 paragraph 5 |
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In cell mediated immunity a three step process takes place: Step one : Macrophages capture the nonself cell. Step two: A T helper cell secretes cytokine That signals the cytotoxic T cell. The cytotoxic T cell responds through __________ and actively destroys the nonself cell.
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Chemotaxis
Pg 131 paragraph 5 |
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__________ is released by damaged cells to draw white blood cells to to damaged area.
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Cytokine
Pg 131 paragraph 5 |
