Platelets and Blood Clotting

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Questions and Answers

What is the characteristic shape of platelets?

  • Circular
  • Oval
  • Spherical
  • Irregular (correct)

What is the origin of platelets?

  • Cells from the liver
  • Cells from the bone marrow
  • Fragments of multinucleate cells (correct)
  • Single nucleate cells

What is the primary function of platelets?

  • To regulate blood pressure
  • To initiate clotting cascade (correct)
  • To filter blood
  • To produce antibodies

What is the first step in the clotting process initiated by platelets?

<p>Clinging to broken vessel walls (A)</p> Signup and view all the answers

What is the role of platelets in the body?

<p>To initiate clotting and stop bleeding (A)</p> Signup and view all the answers

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