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Tell Me About Blood - Online Term Paper

Tell Me About Blood

Unit 1. Case Study 1. Tell Me About Blood

* What is the significance of a lower-than-normal hematocrit? What is the effect of a bacterial infection on the hematocrit? (PAGE 618 619)First, hematocrit (HCT) is the percentage of blood made up of red blood cells. Usually measured by centrifuging a blood sample in a graduated tube and then reading the volume of red blood cells and dividing it by the total volume of blood in a sample. A significant drop in hematocrit is an indication of anemia (lower-than-normal number of red blood cells (Jenkins & Tortora, 2013). A bacterial infection would increase the production of white blood cells to fight off the infection. The hematocrit would have ...

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development in red bone marrow and give rise to red blood cells, platelets, eosinophils, basophils, neutrophils, and monocytes. Lymphoid stem cells begin development in the red bone marrow, but some are completed in the lymphatic tissues, where they give rise to lymphocytes. The B cell lymphocytes begin and finished in the red bone marrow and the T cell lymphocytes begin in the red bone marrow, but they mature in the thymus (Jenkins & Tortora, 2013).

* What is erythropoiesis? Which factors speed up and slow down erythropoiesis? (PAGES 624-625)Erythropoiesis is the specific production of red blood cells or erythrocytes. It starts in the red bone marrow with a precursor cell called a proerythroblast. The proerythroblast divides many times and produces cells that begin to make hemoglobin. A cell near the end of the development cycle ejects its nucleus and then becomes a reticulocyte. Reticulocytes pass from red bone marrow into the bloodstream. The lack of oxygen or blood ...

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PAPER DETAILS

Added: 2/27/2015 04:34:49 PM
Submitted By: twindurfs
Category: Biology
Type: Premium Paper
Words: 1022
Pages: 4

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