Blood Flashcards
A macrophage originates from what peripheral blood cell?
Monocyte
Rouleau formation is commonly seen in what type of blood cell?
RBC
What cell in the bone marrow is the first recognizable state in the RBC line?
Proerythroblast
What cell type has a pyknotic nucleus that will be expelled during further development?
Normoblast
What type of cell, after leaving the hemopoietic organ of its origin, may continue further cell division?
Lymphocytes
During prenatal life, where are nucleated RBCs primarily formed?
Yolk Sac
What is the most common WBC in the peripheral blood of humans?
Neutrophils
What is the smallest component of peripheral blood produced directly from megakaryocytes?
Platelets
What is the smallest WBC found in the peripheral blood?
Lymphocytes
What WBC in the peripheral blood contains bright red granules (Wright’s Stain)?
Eosinophil
What hematopoietic cell is polyploidy?
Megakaryocyte
A parasitic infection would be reflected in the elevation of what WBC?
Eosinophil
What cell can be described as a phagocyte in the peripheral blood typically having an indented nucleus & ropey chromatin?
Monocyte
What RBC has a highly condensed nucleus?
Normoblast
Granules of heparin and histamine are found in what WBC?
Basophil
What cell derives directly from the myeloblast?
Promyelocyte
During granulocyte differentiation, what cell is the last stage that can undergo mitosis
Myelocyte
What agranulocyte is the least common in normal blood?
Monocyte
What is the most common blood cell observed in a 4mo fetus?
Nucleated RBC
In the initial stage of inflammation, what blood cell, excluding RBCs, predominate?
Neutrophil
What cell has a life expectancy of about 8hrs?
Neutrophil
What can become a macrophage?
Monocyte
What RBC contains polyribosomes as a network, but no nucleus?
Reticulocyte
A B-lymphocyte gives rise to what tissue cell?
Plasma Cell
What component contains both alpha and dense granules?
Platelets
What cell type lines the luminal surface of sinusoids in red bone marrow?
Endothelium
The most common band cell is a developmental stage of what blood cell?
Neutrophil
What RBC ejects its nucleus?
Normoblast
What blood cell is associated w/ the cell-mediated immune response?
T-lymphocyte
Promyelocytes differentiate into?
Myelocyte
What cell comprises about 3% of WBCs?
Monocyte
Platelets derive from what cell?
Megakaryocyte
What is the most common nucleated cell in the blood?
Neutrophil
What is the largest hemopoietic cell in the human blood marrow?
Megakaryocyte
Heparin sulfate is found in the granules of what cell?
Basophils
An inadequacy of what hemopoietic cell can lead to hemophilia?
Megakaryocyte
From what cell is the plasma cell derived?
B-lymphocyte
What organ can release large numbers of erythrocytes in response to trauma?
Spleen
What cell secretes antibodies?
Plasma cell
An immature erythrocyte is called?
Reticulocyte
Basophils contain histamine & what other substance?
Heparin
What cell produces vasoactive substances that counter act basophil secretions?
Eosinophils
In mature blood cells, what large cell is not associated w/ a lobated nucleus?
Monocyte
What granulocyte is the nucleus commonly obscured by the granulocytes?
Basophils
What peripheral cell releases substances associated w/ hypersensitivity& anaphylaxis?
Basophil
What cell type in the blood vascular system produced substances that react against vasoactive agents observed during allergic reactions?
Eosinophils
What is the 1st site for hemopoiesis in the embryo?
Yolk sac
What cell in the bone marrow relases cytokines (colony-stimulating factors)?
Reticular cells
What substance regulates Erythropoiesis?
Erythropoietin
What cell arises from the thymus, involved in cell-mediated immune response, & is involved in graft rejection?
T-lympocyte
