Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart2h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

17. The Blood

Platelets: Hemostasis

Anatomy & Physiology

17. The Blood

Platelets: Hemostasis

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Multiple Choice

The final step in clot formation is __________.

the release of chemical by platelets

formation of prothrombin activator

fibrinogen → fibrin

prothrombin → thrombin

platelet plug formation

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Verified step by step guidance

Understand that clot formation, also known as coagulation, is a complex process involving multiple steps to prevent bleeding.

Recognize that the final step in clot formation involves the conversion of fibrinogen to fibrin, which is crucial for forming a stable blood clot.

Identify that this conversion is catalyzed by the enzyme thrombin, which itself is formed from prothrombin in an earlier step of the coagulation cascade.

Acknowledge that fibrin strands weave through the platelet plug, solidifying the clot and effectively sealing the site of injury.

Remember that while platelet plug formation and the release of chemicals by platelets are important earlier steps, the transformation of fibrinogen to fibrin is the definitive final step in clot formation.