Leucocytes and Formed Elements of Blood Quiz
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Questions and Answers

What is the role of red blood cells in the body?

  • Regulating the body's temperature
  • Aiding in digestion and absorption of nutrients
  • Producing antibodies to fight infection
  • Transporting oxygen to the tissues and carrying carbon dioxide back to the lungs (correct)
  • What is the major component of plasma by volume?

  • Water (correct)
  • Proteins
  • Glucose
  • Lipids
  • What would cause a low packed cell volume (PCV)?

  • Hemoconcentration
  • Polycythemia
  • Dehydration due to vomiting
  • Excess plasma or anemia (correct)
  • Which inorganic molecule is a major constituent contributing to plasma osmolarity?

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

    What is the liquid part of blood known as?

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

    Where do all blood cells develop from?

    <p>Stem cells</p> Signup and view all the answers

    Which blood vessel carries blood full of oxygen from the heart to all parts of the body?

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

    What is the cellular portion of blood known as?

    <p>Formed elements</p> Signup and view all the answers

    What is the main function of hemoglobin in red blood cells?

    <p>To transport oxygen and carbon dioxide</p> Signup and view all the answers

    What characteristic shape do red blood cells have?

    <p>Biconcave disk</p> Signup and view all the answers

    What is the main advantage of the biconcave shape of red blood cells?

    <p>It provides greater surface area for gas exchange</p> Signup and view all the answers

    What is the main function of red blood cell cytoplasmic enzymes?

    <p>To metabolize glucose</p> Signup and view all the answers

    What is the function of white blood cells (leucocytes)?

    <p>Response of the body to infection</p> Signup and view all the answers

    Which type of blood cell has the shortest life span?

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

    What is the difference between plasma and serum?

    <p>Serum lacks clotting factors, while plasma contains clotting factors.</p> Signup and view all the answers

    What is the normal percentage range of monocytes in total white blood cells?

    <p>2-8%</p> Signup and view all the answers

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