- Shuffle
Toggle OnToggle Off
- Alphabetize
Toggle OnToggle Off
- Front First
Toggle OnToggle Off
- Both Sides
Toggle OnToggle Off
Front
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
PLAY BUTTON
PLAY BUTTON
30 Cards in this Set
- Front
- Back
|
What are the five functions of macrophages?
|
Ingest antigens, act as APCs, ingest dead or infected white cells, assist in rebuilding tissue after infection, secrete cytokines
|
|
Explain phagocytosis
|
Recognition --> Attachment -->Engulfment in phagosome -->Formation of phagolysosome --> Digestion
|
|
Which lymphocytic subset produces antibodies?
|
B cells
|
|
Which lymphocytic subset assists in innate immunity?
|
NK cells
|
|
Which lymphocytic subset assists in other areas of immunity?
|
Helper T cells
|
|
Which lymphocytic subset destroys antigens directly?
|
Cytotoxic T cells
|
|
Define apoptosis
|
Programmed cell death
|
|
How does the thymus aid in immunity?
|
It is the site where T cells mature
|
|
Which white blood cell is the first responder to infection, has a nucleus that contains 3-5 lobes, and is a phagocyte?
|
Neutrophil
|
|
What is an opsonin?
|
A substance that coats antigens in order to signal phagocytes and other components of the immune system
|
|
What proteins increase the affinity between leukocytes and endothelial cells?
|
Integrins
|
|
How does the Cluster of Differentiation system classify cells?
|
By the surface molecules they display
|
|
What occurs in the germinal centers?
|
Differentiation and proliferation of B cells as well as antibody production
|
|
What are the two generative, or primary, lymphoid organs and what is the purpose of each?
|
Bone marrow--Site of development and maturation for B cells and site of development for T cells
Thymus--Site of maturation for T cells |
|
The production of blood cells is called:
|
Hematopoiesis
|
|
What part of the lymph node contains germinal centers?
|
Secondary follicle
|
|
Which molecules increase the adhesive properties of white blood cells and endothelial cells during chemotaxis?
|
Selectins
|
|
What are the three functions of leukocyte movement?
|
Transporting phagocytes to sites of infection, Transferring mature lymphocytes from sites of maturation to lymphoid organs, Delivering lymphocytes to sites of infection
|
|
Cells move from the peripheral blood into the tissues through:
|
Diapedesis
|
|
What macrophage type is found in bone?
|
Osteoclasts
|
|
What are macrophages called when they reside in neural tissue?
|
Microglia
|
|
Macrophages in the liver are known as:
|
Kupffer cells
|
|
Sinusoidal lining cells are macrophages that reside in the:
|
Spleen
|
|
Which white blood cell type has a "lacy" cytoplasm and a kidney bean-shaped nucleus?
|
Monocyte/macrophage
|
|
Which white blood cell is associated with allergic reactions and parasitic infections?
|
Eosinophils
|
|
Which white blood cell type is the most abundant in circulation and is the first cell to respond to an infection?
|
Neutrophil
|
|
Which cell type differentiates into a plasma cell?
|
B cell
|
|
Which cell type is a CD4+ cell?
|
Helper T cell
|
|
Which cell type is a CD8+ cell?
|
Cytotoxic T cell
|
|
What are the three most numerous cell types, in order from greatest to least, seen in the peripheral blood?
|
Neutrophils, lymphocytes, monocytes
|
