The Essential Functions of Blood
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Questions and Answers

Which component of blood is responsible for preventing blood loss through clotting?

  • Plasma
  • Thrombocytes (correct)
  • Leukocytes
  • Erythrocytes
  • What is the liquid portion of blood called as it circulates in the blood vessels?

  • Plasma (correct)
  • Leukocytes
  • Serum
  • Erythrocytes
  • Which type of blood cell is responsible for transporting oxygen?

  • Plasma
  • Leukocytes
  • Erythrocytes (correct)
  • Thrombocytes
  • What is the process by which blood cells are produced called?

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

    Which type of stem cells give rise to all white blood cells except for lymphocytes?

    <p>Myeloid stem cells</p> Signup and view all the answers

    Which of the following is an example of an embolus?

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

    Which blood group system is based on the presence or absence of agglutinogens A and B?

    <p>The ABO system</p> Signup and view all the answers

    What determines the blood type in the ABO system?

    <p>Agglutinogens A and B</p> Signup and view all the answers

    What happens if a transfusion is conducted using incompatible blood?

    <p>Hemolysis occurs</p> Signup and view all the answers

    Which blood type carries both A and B antigens?

    <p>Type AB</p> Signup and view all the answers

    Which hormone stimulates the production of red blood cells?

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

    Where does erythrocyte formation occur in adults?

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

    What is the function of hemoglobin in red blood cells?

    <p>Transport oxygen</p> Signup and view all the answers

    What happens to worn-out red blood cells?

    <p>They are phagocytized by macrophages in the spleen</p> Signup and view all the answers

    What is the role of vitamin B12 in the synthesis of new red blood cells?

    <p>It is required for the production of red blood cell precursors</p> Signup and view all the answers

    Study Notes

    Blood Components and Functions

    • Platelets are responsible for preventing blood loss through clotting.
    • The liquid portion of blood that circulates in the blood vessels is called plasma.
    • Erythrocytes (red blood cells) are responsible for transporting oxygen.

    Blood Cell Production

    • The process of producing blood cells is called hematopoiesis.
    • Myeloid stem cells give rise to all white blood cells except for lymphocytes.

    Blood Clotting

    • An embolus is an example of a blood clot that breaks loose and travels through the bloodstream.

    Blood Group Systems

    • The ABO blood group system is based on the presence or absence of agglutinogens A and B.
    • The presence or absence of A and B antigens on the surface of red blood cells determines the blood type in the ABO system.

    Blood Transfusion

    • If a transfusion is conducted using incompatible blood, it can lead to a severe reaction, which can be life-threatening.

    Blood Types

    • AB blood type carries both A and B antigens.

    Erythrocyte Production

    • The hormone erythropoietin (EPO) stimulates the production of red blood cells.
    • Erythrocyte formation occurs in the bone marrow in adults.

    Red Blood Cell Function

    • Hemoglobin in red blood cells is responsible for transporting oxygen from the lungs to the body's tissues.
    • Worn-out red blood cells are removed from the circulation and destroyed in the spleen.
    • Vitamin B12 is essential for the synthesis of new red blood cells.

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    Description

    Test your knowledge on the major functions of blood in this informative quiz. Learn about how blood transports vital substances, regulates body functions, and protects against harmful agents.

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