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

4. Tissues & Histology

Introduction to Connective Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Connective Tissue

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Multiple Choice

Which of the following is a primary function of fibroblasts in connective tissue?

Initiating immune responses

Engulfing pathogens and debris

Storing fat droplets

Producing extracellular matrix fibers

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Verified step by step guidance

Understand the role of fibroblasts: Fibroblasts are specialized cells found in connective tissue. Their primary function is to produce and maintain the extracellular matrix, which provides structural support to tissues.

Review the extracellular matrix: The extracellular matrix is composed of protein fibers such as collagen, elastin, and reticular fibers, as well as ground substance. Fibroblasts synthesize these components to ensure tissue integrity and repair.

Eliminate incorrect options: Analyze the other choices provided. Initiating immune responses is primarily the role of immune cells like lymphocytes. Engulfing pathogens and debris is the function of phagocytic cells like macrophages. Storing fat droplets is the role of adipocytes, not fibroblasts.

Focus on the correct function: Fibroblasts are responsible for producing extracellular matrix fibers, which are essential for maintaining the structure and function of connective tissue.

Conclude with the correct answer: Based on the explanation, the correct answer is 'Producing extracellular matrix fibers,' as this is the primary function of fibroblasts in connective tissue.