blood - Blood Ch 16 1. Define Hematocrit and describe how...

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Blood Ch 16 1. Define Hematocrit and describe how it is obtained. 2. Describe the physical characteristics of blood. 3. Describe the three main functions of blood. 4. Describe the blood plasma components. 5. Describe the formed elements including RBC (Erythrocyte), WBC (Leukocyte) and platelet characteristics emphasizing structure, function and abundance. 6. Describe the structure and function of hemoglobin and define the terms and their location in the body: deoxyhemoglobin, oxyhemoglobin and carbaminohemoglobin. 7. Describe the location of hematopoiesis in adults. 8. Describe erythropoietin release and its role. 9. Classify the 5 types of leukocytes according to granulocytes and agranulocytes and differentiate in terms of appearance, abundance and functions of Neutrophils, Eosinophils, Basophils , Lymphocytes and Monocytes. 10. Define Diapedesis. 1. List the three stages involved in hemostasis. Explain the clotting process and how clotting can be hastened or retarded. 12. Understand the ABO and Rh blood groups and how they function when a transfusion reaction would occur. Know the terms antigens, antibodies and agglutination.
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Overview of Blood Circulation The Heart Body Cells
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Composition of Blood Body’s only fluid tissue It is composed of liquid plasma and formed elements (Cells) Erythrocytes, or red blood cells (RBCs)- 99% Leukocytes, or white blood cells (WBCs) – Granulocytes » Neutrophils » Eosinophils » Basophils – Agranulocytes » Lymphocytes » Monocytes Platelets
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Physical Characteristics and Volume The pH of blood is 7.35–7.45 Temperature is 38 ° C, slightly higher than “normal” body temperature 5–6 L for males, and 4–5 L for females Color depends on its oxygen content. Bright red when oxygenated (e.g., arterial blood) Dark red when deoxygenated (e.g., venous blood). With O 2 Without O 2
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Functions of Blood Distribution Gases, nutrients, signaling molecules, wastes, heat Regulation Body fluid volume Body fluid pH (Buffer) Body T° Electrolyte levels Protection from pathogens and fluid loss
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Solution A Solution B 10 drops of hydrochloric acid were added to solution A and the pH changed by 4 units. 10 drops of hydrochloric acid were added to solution B and the pH changed by 1 unit. Which solution is the better buffer? What is a BUFFER?
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Notice how the distribution of blood varies with temperature. Under warm conditions, blood is shunted to the surface so that heat can radiate away. Under cold conditions, blood (and thus heat) are conserved within the core of the body.
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This note was uploaded on 02/26/2011 for the course BIO 107 taught by Professor Smith during the Spring '11 term at NE Texas CC.

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blood - Blood Ch 16 1. Define Hematocrit and describe how...

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