Physiology Class: Blood Composition and Functions
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Physiology Class: Blood Composition and Functions

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Questions and Answers

What is the percentage of water in plasma?

  • 80%
  • 91%
  • 95%
  • 98% (correct)
  • What is the main function of Albumin in plasma?

  • To transport oxygen
  • To help in blood clotting
  • To maintain blood pH
  • To maintain colloid osmotic pressure (correct)
  • What is the ratio of Albumin to Globulin in plasma?

  • 3.5 : 1
  • 1.7 : 1 (correct)
  • 1.5 : 1
  • 2.5 : 1
  • What is the primary source of Globulin in plasma?

    <p>Liver and RE system</p> Signup and view all the answers

    What is the purpose of plasma electrophoresis?

    <p>To separate plasma proteins based on their charge</p> Signup and view all the answers

    What is the percentage of Fibrinogen in plasma proteins?

    <p>7%</p> Signup and view all the answers

    What percentage of body weight is the total blood volume?

    <p>8%</p> Signup and view all the answers

    What is the primary function of plasma proteins in the blood?

    <p>To maintain oncotic pressure</p> Signup and view all the answers

    What is the difference between serum and plasma?

    <p>Serum is plasma minus fibrinogen and clotting factors</p> Signup and view all the answers

    What is the specific gravity of blood?

    <p>1050-1060</p> Signup and view all the answers

    What is the primary function of white blood cells in the blood?

    <p>To protect against infections</p> Signup and view all the answers

    What is the primary function of platelets in the blood?

    <p>To prevent blood loss through blood clotting</p> Signup and view all the answers

    What is the primary function of Ankyrin and spectrin in the RBC membrane?

    <p>Maintaining the biconcave shape</p> Signup and view all the answers

    What is the term for a variation in the size of RBCs?

    <p>Anisocytosis</p> Signup and view all the answers

    What is the average volume of a RBC?

    <p>80-95 μm3</p> Signup and view all the answers

    What is the term for a condition where RBCs are more fragile and spherical in shape?

    <p>Spherocytosis</p> Signup and view all the answers

    What is the percentage of ATP formed through the Hexose-Monophosphate Shunt?

    <p>10%</p> Signup and view all the answers

    What is the term for a physiological increase in RBC count due to high altitude?

    <p>Physiological polycythaemia</p> Signup and view all the answers

    What percentage of globulin is present in plasma proteins?

    <p>40%</p> Signup and view all the answers

    What is the ratio of albumin to globulin in plasma proteins?

    <p>1.7:1</p> Signup and view all the answers

    What is the function of prothrombin in plasma proteins?

    <p>Clotting factors</p> Signup and view all the answers

    What is the purpose of pre-albumin in plasma proteins?

    <p>Binding thyroid hormones</p> Signup and view all the answers

    What is the technique used to measure blood volume?

    <p>Dye dilution technique</p> Signup and view all the answers

    What is the term for the development of blood cells?

    <p>Hematopoiesis</p> Signup and view all the answers

    What is the primary site for RBC production during the last months of fetal development?

    <p>Bone marrow of all bones</p> Signup and view all the answers

    What occurs in the process of RBC maturation?

    <p>Change of cell shape from globular to biconcave</p> Signup and view all the answers

    What factor promotes the development of erythrocytes?

    <p>Burst Promoting Activity (BPA)</p> Signup and view all the answers

    Where do RBCs continue to be produced in adults after 18 years old?

    <p>Bone marrow of flat bones</p> Signup and view all the answers

    What is the size of a pro-erythroblast?

    <p>20μm</p> Signup and view all the answers

    What stimulates the production of RBCs in response to low oxygen levels?

    <p>Erythropoietin</p> Signup and view all the answers

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