Chapter 17.2 Version B
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Questions and Answers

What are the cellular components of blood known as?

  • Fibrin strands
  • Plasma
  • Leukocytes
  • Formed elements (correct)

    • What is the nonliving fluid matrix in which the blood cells are suspended called?

  • Fibrin strands
  • Plasma (correct)
  • Erythrocytes
  • Buffy coat

    • Which blood cells transport oxygen?

  • Leukocytes
  • Fibrin strands
  • Platelets
  • Erythrocytes (correct)

    • What gives blood its characteristic sticky, opaque fluid with a metallic taste?

    <p>Fibrin strands</p> Signup and view all the answers

    At what pH level does blood typically exist?

    <p>7.35 - 7.45</p> Signup and view all the answers

    What is the function of white blood cells in the blood?

    <p>Protect the body</p> Signup and view all the answers

    How does the color of blood vary depending on oxygen levels?

    <p>Scarlet to dark red</p> Signup and view all the answers

    What is the primary reason for blood being more dense and viscous than water?

    <p>Abundance of formed elements</p> Signup and view all the answers

    Which of the following statements about plasma proteins is FALSE?

    <p>They are used as fuels or metabolic nutrients by cells</p> Signup and view all the answers

    What is the primary function of albumin in the bloodstream?

    <p>To carry molecules through the circulation</p> Signup and view all the answers

    What percentage of plasma protein is accounted for by albumin?

    <p>60%</p> Signup and view all the answers

    Which of the following types of molecules is NOT produced by the liver?

    <p>Fatty acids</p> Signup and view all the answers

    What is the term for the pressure that helps to keep water in the bloodstream?

    <p>Osmotic pressure</p> Signup and view all the answers

    What is the main difference between plasma proteins and other organic solutes?

    <p>Their function in the bloodstream</p> Signup and view all the answers

    What is the main difference between blood and other connective tissues?

    <p>Specialized living blood cells suspended in a nonliving fluid matrix</p> Signup and view all the answers

    Which component of blood is responsible for stopping bleeding?

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

    What gives blood its slightly alkaline nature?

    <p>pH between 7.35 and 7.45</p> Signup and view all the answers

    Which layer of blood contains white blood cells and platelets?

    <p>Buffalo coat</p> Signup and view all the answers

    How does blood appear under a microscope despite looking homogeneous?

    <p>With both cellular and liquid components</p> Signup and view all the answers

    What causes the reddish color of blood?

    <p>Composition of formed elements</p> Signup and view all the answers

    What type of cells are formed elements in blood?

    <p>Erythrocytes and leukocytes</p> Signup and view all the answers

    Which of the following is the primary reason for blood being more viscous than water?

    <p>The presence of formed elements</p> Signup and view all the answers

    Which of the following is NOT a function of plasma proteins?

    <p>Being used as metabolic nutrients by cells</p> Signup and view all the answers

    Which of the following is the primary protein found in plasma?

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

    Which of the following is NOT produced by the liver?

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

    Which of the following is a function of albumin in the bloodstream?

    <p>Acting as a carrier for molecules</p> Signup and view all the answers

    Which of the following is a factor that contributes to the plasma osmotic pressure?

    <p>The presence of plasma proteins</p> Signup and view all the answers

    Which of the following is NOT a component of blood?

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

    What is the color of blood when it is oxygen-poor?

    <p>Dark red</p> Signup and view all the answers

    What is the fluid matrix in which living blood cells are suspended?

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

    What is the reddish layer at the bottom of the tube after spinning blood in a centrifuge primarily composed of?

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

    What is the characteristic taste of blood?

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

    Which layer of blood contains both white blood cells and platelets?

    <p>Buffy coat</p> Signup and view all the answers

    What contributes to the density of blood compared to water?

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

    What causes the color variation of blood from scarlet to dark red?

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

    Why is blood considered more viscous than water?

    <p>Due to the higher count of formed elements in blood</p> Signup and view all the answers

    Which of the following is responsible for maintaining the plasma osmotic pressure?

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

    What is the primary source of most plasma proteins?

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

    Which plasma protein acts as a carrier to transport certain molecules through the circulation?

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

    Why are plasma proteins not typically used by cells as metabolic nutrients?

    <p>Because they are heavier than other organic solutes</p> Signup and view all the answers

    What percentage of plasma weight do the plasma proteins account for?

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

    Apart from hormones and gamma globulins, what is the primary source of most plasma proteins?

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

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