Blood Composition and Characteristics
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Questions and Answers

What is the volume of blood in the average human body?

  • 5L (correct)
  • 5ml
  • 8L
  • 7L

    • What percentage of plasma proteins are synthesized by the liver?

  • 100%
  • 20%
  • 50%
  • 93% (correct)

    • What is the pH range of blood?

  • 8.0-8.5
  • 9.0-9.5
  • 6.0-6.5
  • 7.35-7.45 (correct)

    • What does the buffy coat in blood mainly consist of?

    <p>Leukocytes (WBCs)</p> Signup and view all the answers

    What is the main function of albumins in plasma?

    <p>Maintaining blood osmotic pressure</p> Signup and view all the answers

    What substance ties up calcium to prevent blood clotting in anticoagulant samples?

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

    What is the main function of erythrocytes?

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

    Where does erythropoiesis start?

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

    What is the main stimulus for triggering erythropoiesis?

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

    Where are sensors for blood oxygen levels located?

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

    What is the fate of pluripotent stem cells (PPSC) dependent on?

    <p>Physiologic stimuli such as horomones and interleukins</p> Signup and view all the answers

    Which organ can revert to producing blood cells if needed in an adult human?

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

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