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NUR 315 Immunity: Questions & Expert Verified Answers
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NUR 315 Immunity: Questions & Expert Verified Answers
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NUR 315 Immunity: Questions & Expert VerifiedAnswers
B lymphocytes Right Ans - -deals with antigens
-have Ig signaling themselves so they don't attack each other
T lymphocytes Right Ans - -mature strong effective T lymphocytes with the
appropriate receptors
-thymus= large @ birth, shrink with age
Lymph nodes Right Ans - -Vessels provide lymph -protein rich fluid
-filter material before it enters blood
Innate immunity Right Ans - -happening all the time
-has no memory (dory)
-non-specific, first line of defense
Generation of clonal diversity Right Ans - -how bone marrow determines
what time of cells we need based on our bodies needs
Spleen (white & red) Right Ans - *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 Right Ans - -skin, saliva, mucosa membranes, cilia,
lysosomes
-first line of defense
Dendritic cell Right Ans - -3rd class of phagocytic cells
-adaptive role (send signals that needs more defense)
-takes antigen to b & t cells
Natural killer cells Right Ans - -Innate immune system.
-First line of defense against viral infections
-cause apoptosis
"granular lymphocytes"
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