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

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

Life-threatening bleeding is characterized by which of the following?

A small bruise that slowly changes color

Minor bleeding from a paper cut

Bright red blood that spurts from a wound and does not stop with pressure

Oozing of blood that stops within a few minutes

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Verified step by step guidance

Step 1: Understand the concept of life-threatening bleeding. Life-threatening bleeding refers to severe blood loss that can compromise the body's ability to maintain adequate circulation and oxygen delivery to tissues. It often requires immediate medical intervention.

Step 2: Analyze the characteristics of life-threatening bleeding. Bright red blood that spurts from a wound indicates arterial bleeding, which is typically under high pressure and does not stop easily with pressure. This is a hallmark of life-threatening bleeding.

Step 3: Compare the options provided. A small bruise that changes color, minor bleeding from a paper cut, and oozing blood that stops within minutes are all examples of non-life-threatening bleeding. These do not match the criteria for severe blood loss.

Step 4: Recognize the importance of arterial bleeding in this context. Arterial blood is oxygen-rich and under high pressure, making it more dangerous when bleeding occurs. This is why bright red, spurting blood is a critical indicator of life-threatening bleeding.

Step 5: Conclude that the correct answer is the option describing 'Bright red blood that spurts from a wound and does not stop with pressure,' as it aligns with the definition and characteristics of life-threatening bleeding.