Blood Components and Characteristics

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Questions and Answers

What is the primary function of platelets in the blood?

  • To transport oxygen and carbon dioxide
  • To remove waste products of cell metabolism
  • To maintain acid-base balance
  • To form clots and stop bleeding from cut ends of blood vessels (correct)

What is the average lifespan of monocytes in the blood?

  • Three weeks
  • Three months
  • Three days (correct)
  • Three years

Which of the following blood cells are responsible for transporting oxygen and carbon dioxide?

  • Neutrophils
  • Platelets
  • Red Blood Cells (correct)
  • Monocytes

What is the size range of platelets?

<p>2-5 microns (D)</p> Signup and view all the answers

Which leukocyte has a bi-lobed nucleus?

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

What is the primary function of leukocytes?

<p>To defend against infection (A)</p> Signup and view all the answers

Which of the following blood cells are NOT true cells?

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

What is the average number of platelets per cubic millimeter of blood?

<p>150,000-400,000 (C)</p> Signup and view all the answers

Which of the following blood cells is phagocytic?

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

What is the function of macrophages?

<p>To engulf and digest foreign particles and cell debris (B)</p> Signup and view all the answers

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