Table of contents

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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 Heart3h 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

Introduction To Blood

Anatomy & Physiology

17. The Blood

Introduction To Blood

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Multiple Choice

In the coagulation cascade, what is the first procoagulant that the extrinsic and intrinsic pathways have in common?

Factor V

Factor VII

Factor XII

Factor X

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Verified step by step guidance

Understand the coagulation cascade, which is a series of steps involving the activation of various clotting factors leading to the formation of a blood clot.

Recognize that the coagulation cascade is divided into two pathways: the intrinsic pathway and the extrinsic pathway, both of which eventually converge into a common pathway.

Identify the intrinsic pathway, which is initiated by damage inside the vascular system and involves factors such as Factor XII, Factor XI, Factor IX, and Factor VIII.

Identify the extrinsic pathway, which is initiated by external trauma that causes blood to escape from the vascular system and involves Factor VII and tissue factor.

Determine the point at which both pathways converge, which is the activation of Factor X, making it the first procoagulant common to both pathways in the coagulation cascade.