Human Anatomy and Physiology : Help with Cells of Innate Immunity
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Example Question #11 : Help With Cells Of Innate Immunity
What is the purpose of mast cells?
To process proteins in lymph fluid
To engulf cell debris or infectious organisms
To release granules, which cause inflammation and attract other cells to the area
To form plasma cells
To release granules, which cause inflammation and attract other cells to the area
Mast cells contain granules which are released to cause inflammation and attract other cells to the area. B-cells that form plasma cells and antibodies when a specific antigen is recognized. Dendritic cells are those that process proteins in lymph fluid, they have long "arms." Macrophages are the cells that engulf and consume cell debris or infectious organisms.
Example Question #12 : Help With Cells Of Innate Immunity
Which of the following is not a cell of innate immunity?
Basophils
B-lymphocytes
Natural killer cells
Monocytes
B-lymphocytes
B-lymphocytes are part of the adaptive immunity system, they create plasma cells and antibodies when they recognize a specific antigen. Monocytes are what macrophages are before they leave the bloodstream. Basophils contain granules of histamine which produce an inflammation response when released. Natural killer cells attack infected or cancerous cells.
Example Question #13 : Help With Cells Of Innate Immunity
Which of the following cell types produces antibodies?
B-Cell
T-Cell
Basophil
Natural killer cell
B-Cell
B-cells are stimulated by antigens, which in turn leads to antibody production. Antibodies then are used to neutralize invaders or tag them for destruction. T-cells are divided into helper T-cells, killer T-cells, regulatory T-cells types. Natural killer cells destroy cells that have become infected with pathogens and additionally also cancer cells. Basophils are a type of granulocyte that are active in allergic and inflammatory responses.
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