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 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

Which action should be taken to slow the flow of blood from the wound of someone who is bleeding?

Remove any embedded objects from the wound.

Apply ice directly to the wound.

Elevate the injured limb above heart level.

Apply direct pressure to the wound.

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Verified step by step guidance

Understand the physiological response to bleeding: When a person is bleeding, the body's natural response is to form a clot to stop the flow of blood. However, external intervention is often needed to assist this process.

Identify the immediate action required: Applying direct pressure to the wound is crucial because it helps compress the blood vessels, reducing blood flow and encouraging clot formation.

Consider the role of elevation: Elevating the injured limb above heart level can help reduce blood flow to the area by using gravity to slow down the circulation, which can be an additional measure after applying direct pressure.

Avoid removing embedded objects: Removing objects from a wound can increase bleeding and cause further injury. Instead, apply pressure around the object to control bleeding.

Understand why ice is not recommended: Applying ice directly to a wound is not effective for controlling bleeding and can cause tissue damage. Direct pressure remains the most effective immediate action.