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 statements correctly characterizes articular cartilage?

It is composed primarily of elastic fibers.

It is highly vascularized and contains many nerves.

It covers the diaphysis of long bones.

It is avascular and lacks a perichondrium.

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Verified step by step guidance

Understand the definition of articular cartilage: Articular cartilage is a type of hyaline cartilage found at the ends of long bones within synovial joints. Its primary function is to reduce friction and absorb shock during joint movement.

Analyze the composition of articular cartilage: Articular cartilage is primarily composed of collagen fibers (specifically type II collagen) and proteoglycans, not elastic fibers. This rules out the option stating it is composed primarily of elastic fibers.

Evaluate the vascularization and innervation: Articular cartilage is avascular (lacks blood vessels) and aneural (lacks nerves). Nutrients are supplied through diffusion from synovial fluid. This eliminates the option stating it is highly vascularized and contains many nerves.

Consider the location of articular cartilage: Articular cartilage covers the epiphysis (ends) of long bones, not the diaphysis (shaft). This eliminates the option stating it covers the diaphysis of long bones.

Confirm the correct characterization: Articular cartilage is avascular, lacks a perichondrium (a dense connective tissue layer found in other types of cartilage), and relies on synovial fluid for nutrient exchange. This matches the correct answer provided in the problem.