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Chp8

Blood

QuestionAnswer
What are the functions of the blood Transport, Clotting, pH regulation, Immune defense
How many liters of blood does a person have? 4-6 liters
What type of tissue is blood? Connective tissue
What is the matrix is called? Plasma
The cell types of blood are? RBC, WBC, platelets
Blood ph should be____ and the temperature of blood should be__ 7.4, 100.4 F
The basic components of plasma include? Water-92%, dissolved gases-O2,CO2, nutrients, cellular wastes, minerals, hormones and anitbodies
The proteins are made by? Liver
What are the specific categories of proteins? Albumins, Glubulins, Fibrinogen
What does the term serum mean? Plasma with fibrinogen removed
What is whole blood? Donation of plasma and all cells
What is plasma donation? donation of plasma only
What is hemopoeisis? process of making blood cells, continue forever, 3 weeks after fertilization
What are stem cells? in red bone marrow
Why are hormones needed? to stimulate t5he differentiation of stem cells
What is (TPO) Thrombopoietin-platelets
How many RBC are in the body and how long do they live? trillions, 120 days
How is iron involved with RBC? an essential component of the protein hemoglobin
How are they killed and what is unique? trapped and killed by the liver and spleen, have no organelles and do not form mitosis
What is the primary protein in RBC and what does it do? hemoglobin, has a greater affinity for CO rather than O2
RBC are also called? Erythrocytes
How is the blood type determined? Determined by expression (or not) of the RH antigen (glycoproteins)
WBC are also called? Leukocytes
Where are WBC located in the body? blood lymphatic fluid, tissues
How long do WBC live? Extended periods of time, unless activated
What are the five major categories of WBC? Basophils, neutrophils, monocytes/macrophages, eosiniphils, lymphocytes
How are platelets formed and what do they do? By fragmentation of the much larger cells derived from stem cells, blood clotting
How long do platelets live once activated? 5-10 days
What things are needed for blood clotting? Platelets, fibrinogen, viatmin k, calcium, 11 plasma proteins
What dissolves clotts? TPA- stroke victims
Created by: britchwo
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