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Exam (elaborations)

NUR 315 Immunity Exam Questions And Correct Answers

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NUR 315 Immunity Exam Questions And Correct Answers...

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  • September 20, 2024
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  • Exam (elaborations)
  • Questions & answers
  • NUR 315 Immunity
  • NUR 315 Immunity
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NUR 315 Immunity Exam Questions And Correct Answers


B lymphocytes - Answer -deals with antigens

-have Ig signaling themselves so they don't attack each other



T lymphocytes - Answer -mature strong effective T lymphocytes with the appropriate
receptors

-thymus= large @ birth, shrink with age



Lymph nodes - Answer -Vessels provide lymph -protein rich fluid

-filter material before it enters blood



Innate immunity - Answer -happening all the time

-has no memory dory

-non-specific, first line of defense



Generation of clonal diversity - Answer -how bone marrow determines what time of cells
we need based on our bodies needs



Spleen (white & red) - Answer *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 - Answer -skin, saliva, mucosa membranes, cilia, lysosomes

-first line of defense

, dendritic cell-Answer-3rd class of phagocytic cells

-adaptive role-send signals that needs more defense

-takes antigen to b & t cells



natural killer cells-Answer-innate immune system.

-first line of defense against viral infections

-cause apoptosis

"granular lymphocytes"



cytokines-Answer-stimulate neutrophils

-work on all kinds of cells

-redundant-all do the same thing



chemokines-Answer Help move T cells, B cells and dendritic cells move through the
spleen and lymph nodes



Complement system - Answer promote inflammation which destroys the microbes



From innate to adaptive - Answer 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) - Answer -"present" the antigen to the immune system

macrophages, B cells



Adaptive immunity - Answer -has memory

-antibodies, won't get illness again

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