Introduction to Hematology
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Questions and Answers

What is the main function of red blood cells?

  • To produce antibodies
  • To transport oxygen from the lungs to the tissues (correct)
  • To produce hemoglobin
  • To clot blood
  • What is the average concentration of hemoglobin in the blood of a male?

  • 18 gm/100ml blood
  • 16 gm/100ml blood (correct)
  • 12 gm/100ml blood
  • 14 gm/100ml blood
  • What is the function of albumin in blood plasma?

  • To clot blood
  • To transport oxygen
  • To maintain osmotic balance (correct)
  • To produce antibodies
  • What is the function of gamma globulins in blood plasma?

    <p>To produce antibodies</p> Signup and view all the answers

    What is the function of fibrinogen in blood plasma?

    <p>To clot blood</p> Signup and view all the answers

    What is the average number of red blood cells per cubic millimeter in women?

    <p>4.7 million</p> Signup and view all the answers

    What is the main function of leukocytes in the blood?

    <p>To destroy invading microorganisms and cancer cells</p> Signup and view all the answers

    What is the approximate volume of blood in an average adult?

    <p>5 liters</p> Signup and view all the answers

    What is the primary role of platelets in the blood?

    <p>To initiate blood clotting and help minimize blood loss</p> Signup and view all the answers

    What is the function of blood in regulating body temperature?

    <p>To transport heat from the rest of the body to the skin</p> Signup and view all the answers

    What is the main component of plasma?

    <p>Water and dissolved solutions</p> Signup and view all the answers

    What is the term for the formed elements of the blood?

    <p>Blood cells and platelets</p> Signup and view all the answers

    What is the percentage of plasma in the hematocrit ratio?

    <p>55%</p> Signup and view all the answers

    What is the term for the production of all types of blood cells?

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

    What is the main organ responsible for producing red blood cells during the middle trimester of gestation?

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

    What is the term for a deficiency of red blood cells?

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

    What is the result of a rapid loss of red blood cells?

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

    What is the term for the loss of function of bone marrow due to drug poisoning or Gamma-ray radiation?

    <p>Aplastic anemia</p> Signup and view all the answers

    What is one of the causes of hemolysis of RBCs?

    <p>Hereditary diseases</p> Signup and view all the answers

    What is the name of the disease in which antibodies from the mother destroy red cells in the baby?

    <p>Erythroblastosis fetalis</p> Signup and view all the answers

    What is Thalassemia also known as?

    <p>Mediterranean anemia</p> Signup and view all the answers

    What is the average lifespan of RBCs in the circulatory system?

    <p>120 days</p> Signup and view all the answers

    What is one of the functions of ATP in RBCs?

    <p>Maintaining pliability of the cell membrane</p> Signup and view all the answers

    What happens to the metabolic systems of RBCs over time?

    <p>They become progressively less active</p> Signup and view all the answers

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