Blood Components Quiz
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Questions and Answers

What is the approximate percentage of erythrocytes in the blood?

  • 55%
  • 35%
  • 99%
  • 45% (correct)
  • Which organ is responsible for the production of erythropoietin (EPO)?

  • Lung
  • Liver
  • Spleen
  • Kidney (correct)
  • What is the primary function of erythrocytes?

  • Store metabolic waste
  • Synthesize glucose
  • Transport O2 and CO2 (correct)
  • Produce antibodies
  • What stimulates the production of erythropoietin (EPO)?

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

    What is the approximate normal hematocrit range for females?

    <p>39-48%</p> Signup and view all the answers

    What can lead to reduced O2 carrying capacity due to deficiencies?

    <p>Iron &amp; protein deficiencies</p> Signup and view all the answers

    What is the main site of erythrocyte (RBC) production in adults?

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

    What is the primary regulator of erythropoiesis (RBC production)?

    <p>Oxygen levels in the blood</p> Signup and view all the answers

    What is the approximate normal hematocrit range for males?

    <p>42-50%</p> Signup and view all the answers

    What are the primary growth requirements for erythrocytes (RBCs)?

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

    What is the primary regulator of erythropoiesis (RBC production)?

    <p>Oxygen levels in the blood</p> Signup and view all the answers

    What stimulates the production of erythropoietin (EPO)?

    <p>Low oxygen levels (hypoxia)</p> Signup and view all the answers

    What can lead to reduced O2 carrying capacity due to deficiencies?

    <p>Iron &amp; protein deficiencies</p> Signup and view all the answers

    Where are erythrocytes (RBCs) primarily removed from circulation?

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

    What is the approximate number of hemoglobin molecules per erythrocyte (RBC)?

    <p>250 million</p> Signup and view all the answers

    What is the primary stimulus for the production of erythropoietin (EPO)?

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

    Where are erythrocytes (RBCs) primarily removed from circulation?

    <p>Mononuclear Phagocyte System (MPS)</p> Signup and view all the answers

    What is the approximate duration of the entire process of erythropoiesis (RBC production)?

    <p>~4 days</p> Signup and view all the answers

    What is the primary site of production for erythropoietin (EPO)?

    <p>Peritubular cells of the kidney</p> Signup and view all the answers

    Which organ is responsible for the production of antibodies?

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

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