Podcast
Questions and Answers
What is the life span of a platelet?
What is the life span of a platelet?
- 15 days
- 20 days
- 10 days (correct)
- 5 days
Which cell gives rise to platelets through fragmentation of cytoplasm?
Which cell gives rise to platelets through fragmentation of cytoplasm?
- T lymphocyte
- Megakaryoblast (correct)
- Basophil
- Neutrophil
What is the unique feature of a megakaryocyte's nucleus during maturation?
What is the unique feature of a megakaryocyte's nucleus during maturation?
- Visible nucleoli
- Polyploidy (correct)
- Small size
- Smooth chromatin
What organelle is abundant in the cytoplasm of a megakaryocyte?
What organelle is abundant in the cytoplasm of a megakaryocyte?
Which event leads to the formation of demarcation membranes within a megakaryocyte?
Which event leads to the formation of demarcation membranes within a megakaryocyte?
What is the approximate range of platelet count per mm3 of blood in adults?
What is the approximate range of platelet count per mm3 of blood in adults?
What is the main function of the dense tubular system in platelets?
What is the main function of the dense tubular system in platelets?
Which type of granule in platelets contains growth factors and adhesive proteins?
Which type of granule in platelets contains growth factors and adhesive proteins?
What is the main function of Delta granules (δ-granules) in platelets?
What is the main function of Delta granules (δ-granules) in platelets?
Which organelle in platelets is responsible for clot resorption?
Which organelle in platelets is responsible for clot resorption?
What is the role of platelets in haemostatic process after injury to the vessel wall?
What is the role of platelets in haemostatic process after injury to the vessel wall?
Which structure in platelets is involved in the generation of ATP for platelet activation?
Which structure in platelets is involved in the generation of ATP for platelet activation?
Which of the following is NOT a component of the platelet cytosol?
Which of the following is NOT a component of the platelet cytosol?
What is the primary function of the microtubules in the platelet cytoskeleton?
What is the primary function of the microtubules in the platelet cytoskeleton?
Which of the following statements about the open canalicular system (OCS) in platelets is correct?
Which of the following statements about the open canalicular system (OCS) in platelets is correct?
What is the primary function of the glycoprotein molecules (GPs) present in the platelet plasmalemma?
What is the primary function of the glycoprotein molecules (GPs) present in the platelet plasmalemma?
Which of the following statements about the demarcation membranes in thrombopoiesis is correct?
Which of the following statements about the demarcation membranes in thrombopoiesis is correct?
What is the primary function of the actin and myosin filaments in the platelet cytoskeleton?
What is the primary function of the actin and myosin filaments in the platelet cytoskeleton?
