NUR 315 Immunity Exam Questions With
Solutions
Spleen (white & red) *White pulp:* contains concentrated areas of the T and B
lymphocytes, dendritic cells
*Red pulp:* Filled with arteries and area where dead and injured blood cells are removed
Epithelial barriers -skin, saliva, mucosa membran...
-adaptive role (send signals that needs more defense)
-takes antigen to b & t cells
Natural killer cells -Innate immune system.
-First line of defense against viral infections
-cause apoptosis
"granular lymphocytes"
, NUR 315 Immunity Exam Questions With
Solutions
Cytokines -stimulate neutrophils
-work on all kinds of cells
-redundant (all do the same thing)
Chemokines Help move T cells, B cells and dendritic cells move through the spleen and
lymph nodes
Compliment system promote inflammation which destroys the microbes
From innate to adaptive 1. antigen send signal
2. innate system sends signal
3. Second signal comes from dendritic cells/macrophages and the activation of the complement
system
Antigen presenting Cells (APC) -"present" the antigen to the immune system
macrophages, B cells
Adaptive immunity -has memory
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