20 Questions
Which component makes up about 44% of the sample in centrifuged blood?
Erythrocytes
What is the classification for neutrophils, eosinophils, and basophils?
Granulocytes
Which leukocytes are polymorphonuclear?
Neutrophils
What component is the straw-colored liquid at the top of the tube after centrifugation?
Plasma
Which cytokine stimulates the differentiation of formed elements of blood from bone marrow stem cells?
Erythropoietin (EPO)
Which leukocyte classification includes monocytes and lymphocytes?
Non-granulocytes
Where do granulocytes and monocytes primarily develop?
Bone marrow
Which leukocyte is a non-phagocyte?
Lymphocyte
Stem cell factor (SCF) is a principal cytokine stimulating differentiation during which process?
Leukopoiesis
Which leukocyte makes up about 62% of the total leukocytes and is involved in bacterial infection responses?
Neutrophils
Which leukocyte has weak phagocytic activity, is active against parasites, and helps decrease inflammation in allergic reactions?
Eosinophils
Which leukocyte is similar to mast cells and releases histamine, bradykinin, serotonin, heparin, and other substances involved in allergic reactions?
Basophils
Which type of immunity includes non-specific defense mechanisms such as skin, gastric acid, neutrophils, and macrophages?
Innate Immunity
Which type of immunity involves circulating antibodies and activated T cells?
Acquired Immunity
Which type of cells originate from the bone marrow and secrete antibodies?
B-Cells
What is the function of IgG, the most common type of antibody?
Crosses placenta
Which immunoglobulin is first produced and activates complement?
IgM
Where is IgA found in the body?
Tears, bronchiole secretions, saliva
What is the shape of an antibody?
Y-shaped
What are the two heavy chains and two light chains of an antibody responsible for?
Determining the type of antigen it can bind to
Test your knowledge of blood composition and leukocyte classification with this quiz. Learn about the different components of blood, including erythrocytes, leukocytes, platelets, and plasma, as well as the classification of leukocytes into granulocytes and non-granulocytes.
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