Unit 1.docx - Kellee Petross Unit 1 Case Study 1 Tell Me...

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Kellee Petross September 20, 2015 Unit 1 Case Study 1 Tell Me About Blood 1
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Kellee Petross September 20, 2015 1) What is the significance of a lower-than-normal hematocrit? What is the effect of a bacterial infection on the hematocrit? a. A lower than normal hematocrit could possibly indicate an insufficient supply of healthy red blood cells. It could also mean that a large number of white blood cells, usually a very small portion of your blood, due to an illness, infection, leukemia (cancer), or other disorders involving white blood cells. Vitamin or mineral deficiencies or a recent or long term loss of blood could also indicate a low hematocrit. A bacterial infection would make your while blood cell count very high because the white blood cells fight off infection. 2) Compare the development of lymphocytes with the development of the other formed elements. a. Lymphocytes and the other formed elements are developed from pluripotent stem cells. The stem cells generate myeloid stem cells and lymphoid stem cells. Myeloid stem cells start and complete their development in red bone marrow and give rise to red blood cells, platelets, eosinophils, basophils, neutrophils, and monocytes. Lymphoid stem cells begin develop 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 finish in the red bone marrow, but they mature in the thymus.
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