Hematology: Functions of Blood
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Questions and Answers

What is the primary function of blood in maintaining homeostasis?

  • Transportation of oxygen and nutrients
  • Regulation of pH and body temperature (correct)
  • Production of antibodies
  • Protection against blood loss

    • What is the main component of blood that is responsible for its liquid state?

  • Plasma (correct)
  • Platelets
  • White blood cells
  • Red blood cells

    • Which of the following is NOT a function of blood in the transportation process?

  • Transportation of waste products from cells
  • Production of antibodies (correct)
  • Transportation of hormones from endocrine glands
  • Transportation of oxygen and carbon dioxide

    • What is the role of blood proteins in immunity?

    <p>Production of antibodies and complements</p> Signup and view all the answers

    What is the primary role of phagocytic blood cells?

    <p>Immunity through phagocytosis</p> Signup and view all the answers

    What is the result of blood clotting?

    <p>Prevention of blood loss</p> Signup and view all the answers

    Study Notes

    Hematology: The Study of Blood

    • Hematology is the study of blood, blood-forming tissues, and blood disorders.

    Blood Composition

    • Blood is a connective tissue consisting of materials suspended in a nonliving liquid matrix called plasma.

    Blood Functions

    Transportation

    • Transports O2 and CO2 between the lungs and the tissues.
    • Transports absorbed nutrients from the gastrointestinal tract to the liver and other cells.
    • Transports hormones from endocrine glands to target cells.
    • Transports waste products from cells to excretory sites including the liver, kidneys, and skin.
    • Transports heat throughout the body.

    Regulation

    • Helps regulate pH via buffers.
    • Helps regulate body temperature by carrying excess heat to the skin for dissipation.
    • Helps regulate body temperature by vasoconstricting to conserve heat.
    • Helps maintain osmotic pressure by maintaining blood protein and electrolyte levels.
    • Plays a major role in maintaining homeostasis.

    Protection

    • Plays many roles in immunity.
    • Some blood cells are phagocytic.
    • Some blood cells produce antibodies.
    • Blood proteins such as complements, and interferons are important in immunity.
    • Helps maintain homeostasis by clotting to prevent blood loss.

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    Description

    This quiz covers the functions of blood, including transportation, regulation, and protection, as well as its composition and disorders.

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