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 (C)</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 (A)</p> Signup and view all the answers

What is the primary function of physiological respiration?

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

What causes pressure variation in the respiratory system during inhalation?

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

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

<p>Perfusion (D)</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 (B)</p> Signup and view all the answers

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