The Mystical Fluid: History and Significance of Blood
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Questions and Answers

What did ancient Chinese physicians link blood to?

  • Removal of evil spirits
  • Formation of blood vessels
  • Circulation of air in the body
  • Energy flow in the body (correct)

    • What was the belief of ancient Western civilizations regarding disease-causing evil spirits?

  • The spirits were found in the water
  • The spirits were found in the air
  • The spirits resided in the heart
  • The spirits circulated in the blood (correct)

    • Why was bleeding patients to cure disease not a standard form of treatment in ancient Chinese medicine?

  • Because ancient Chinese physicians did not have the necessary tools for bloodletting
  • Because the Chinese did not believe in the concept of blood circulation
  • Because bloodletting was considered too painful for patients
  • Because blood was considered a vital fluid to be conserved and maintained (correct)

    • How did ancient Western civilizations believe disease-causing evil spirits could be removed from the body?

    <p>By removing the blood containing them through bloodletting</p> Signup and view all the answers

    What is the main component of plasma?

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

    Which protein makes up about 60% of the total proteins in plasma?

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

    What is the function of plasma proteins in relation to osmotic pressure?

    <p>They increase the osmotic pressure of blood</p> Signup and view all the answers

    Which part of the blood makes up about 25% of the total blood volume in a 70-kg man?

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

    What is responsible for carrying material from one part of the body to another?

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

    In ancient India, people believed that leeches could distinguish between what types of blood?

    <p>Healthy and infected blood</p> Signup and view all the answers

    According to Galen of Pergamum in the second century, what did he advocate as a treatment for many disorders?

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

    What did an American medical textbook advocate for treating certain infectious diseases as late as 1923?

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

    How much total blood volume does a 58-kg 'Reference Woman' have?

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

    What are the most prevalent types of protein in plasma?

    <p>Albumins and globulins</p> Signup and view all the answers

    What is responsible for making most plasma proteins and secreting them into the blood?

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

    What is the main component of plasma that accounts for about 92% of its weight?

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

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