What is the difference between Plasma B cells and memory B cells?
Plasma B cells produce and release antibodies, whereas Memory B cells remember the infection so they can respond quicker the next time
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15
Describe Innate immunity
An immune response that is the same regardless of the pathogen or toxin encountered
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15
How much of the interstitial fluid is diffused back into the capillaries?
90%
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eraser
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seesaw
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rocket
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thief
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25
What are the ways antibodies attack antigens? (5 answers)
1.Bind to antigens2.bind antigens in clumps3.Activate complement4.Stimulate phagocytosis5.stimulate inflammation
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20
What is edema?
A build up of excess interstitial fluid in the tissues, which leads to swelling
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boom
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star
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shark
Other team loses 25 points!
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baam
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20
What is complement??
It is a first line of defense. series of 30 proteins that are activated by foreign invaders. they lyse bacteria, phagocytosis and inflamation
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15
What prevents lymph from flowing backwards in the lymph vessels?
valves
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20
What do the different regions of the antibody do?
variable region binds to antigens, The constant region determines the class of the antibody which identifies the method it will use to fight the antigen
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20
What are the three functions of the spleen?
It filters blood (not lymph), filters out worn out RBCs, stores oxygen rich blood.As it is filtered, foreign invaders stimulate a response from the lymph system
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15
What do natural killer cells do?
Lymphocytes that attack tumor cells and virus infected cells
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What are Lymph nodes?
Encapsulated masses of lymph tissue found along lymph vessels
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15
What is acquired immunity?
An immune response targeted at a specific pathogen or toxin