Other questions in this quiz

2. The mature megakaryoblast presses against a sinusoid in the _________ and sends cytoplasmic extensions through the _______ wall, which rupture and release platelets into the bloodstream

  • Red marrow, sinusoid
  • Yellow marrow, sinusoid
  • Red marrow, spongy mesophill

3. Name the potent aggregating agent released by platelets that causes more platelets to stick and release their contents

  • Adenosine diphosphate
  • Seratonin
  • Thromboxann A2

4. When platelets aggregate and stick together, which step in haemostasis is this?

  • Platelet plug formation
  • Vascular spasm
  • Coagulation

5. Platelets age quickly and last around _____ days if they aren't involved in clotting

  • 2
  • 10
  • 45
  • 120


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