Blood Composition and Physical Characteristics Quiz
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Questions and Answers

What is the normal pH of blood?

  • 7.80
  • 6.80
  • 7.00
  • 7.40 (correct)
  • What is the volume of plasma in a 70-kg man with a blood volume of 5.6 L?

  • 4.9 L
  • 3.6 L
  • 5.6 L
  • 2.8 L (correct)
  • What is the specific gravity of the whole blood?

  • 1050
  • 1060 (correct)
  • 1030
  • 1090
  • What is responsible for the colloid osmotic pressure in blood?

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

    What is the physical property that refers to the resistance of fluids to change in their shape?

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

    What is the primary function of physiological respiration?

    <p>To sustain cellular respiration and life in animals</p> Signup and view all the answers

    Which process concerns the diffusion and transport of metabolites between the organism and the external environment?

    <p>Physiological respiration</p> Signup and view all the answers

    What causes pressure variation in the respiratory system during inhalation?

    <p>Contraction of diaphragm muscle</p> Signup and view all the answers

    Which process involves the circulation of blood in the pulmonary capillaries?

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

    In mammals, what type of movement is involved in bringing air into the lungs for gas exchange?

    <p>Active movement</p> Signup and view all the answers

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