Functions and Characteristics of Blood
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Questions and Answers

What is the main function of blood in the body?

  • Protection against foreign substances
  • Regulation of pH and osmosis
  • Transport of gases, nutrients, and waste products (correct)
  • Maintenance of body temperature

    • Which component makes up the majority of the total blood volume in the average adult male?

  • Erythrocytes
  • Leukocytes
  • Plasma (correct)
  • Thrombocytes

    • What percentage of the total blood does formed elements (cells and cell fragments) make up?

  • 20%
  • 45% (correct)
  • 30%
  • 60%

    • Which plasma protein helps maintain water balance in the body?

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

    What is the main difference between plasma and serum?

    <p>Serum is the liquid portion of unclotted blood and plasma is the liquid portion of clotted blood</p> Signup and view all the answers

    Where does hematopoiesis, the process of blood cell production, occur in the fetus?

    <p>Red bone marrow</p> Signup and view all the answers

    Which component is a clotting factor that aids in clot formation?

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

    What makes up about 91% of the composition of blood plasma?

    <p>$H_2O$ (water)</p> Signup and view all the answers

    Which component is involved in transporting processed molecules in the body?

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

    What is the primary function of thrombocytes?

    <p>Clot formation</p> Signup and view all the answers

    Which organ is primarily responsible for the production of white blood cells after birth?

    <p>Red bone marrow</p> Signup and view all the answers

    What is the function of erythrocytes?

    <p>Transporting oxygen from the lungs to the body's tissues</p> Signup and view all the answers

    What is the main constituent responsible for the red color of red blood cells?

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

    What causes the formation of carboxyhemoglobin in the blood?

    <p>Incomplete combustion of hydrocarbons</p> Signup and view all the answers

    What is the consequence of prolonged exposure to carbon monoxide?

    <p>Nausea, headache, unconsciousness, and death</p> Signup and view all the answers

    What causes kidneys to increase production of erythropoietin (EPO)?

    <p>Decreased blood O2 levels</p> Signup and view all the answers

    Where are old, abnormal, or damaged RBCs removed from the blood?

    <p>Spleen and liver</p> Signup and view all the answers

    What happens to globin during the breakdown of hemoglobin?

    <p>It is broken down into amino acids that are reused to produce other proteins.</p> Signup and view all the answers

    What does carbon monoxide bind to in hemoglobin?

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

    What is necessary for the normal function of hemoglobin?

    <p>Heme groups</p> Signup and view all the answers

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