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 Epithelial Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Epithelial Tissue

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Multiple Choice

Which of the following best describes the visible characteristics of transitional epithelium?

Cells are cube-shaped and arranged in multiple layers

Cells are flat and arranged in a single layer

Cells are tall and columnar with cilia on their surface

Cells appear dome-shaped on the surface and can stretch to become flatter

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Verified step by step guidance

Understand the structure and function of transitional epithelium: Transitional epithelium is a specialized type of epithelial tissue found in areas of the body that need to stretch, such as the urinary bladder. Its unique ability to stretch and recoil allows it to accommodate fluctuating volumes of liquid.

Identify the visible characteristics of transitional epithelium: The surface cells of transitional epithelium appear dome-shaped (rounded) when the tissue is relaxed. When stretched, these cells flatten out to accommodate the increased surface area.

Compare the options provided: Evaluate each description against the known characteristics of transitional epithelium. For example, cube-shaped cells in multiple layers describe stratified cuboidal epithelium, flat cells in a single layer describe simple squamous epithelium, and tall columnar cells with cilia describe ciliated columnar epithelium.

Focus on the correct description: The correct answer highlights the ability of transitional epithelium to change shape—dome-shaped when relaxed and flatter when stretched. This is a defining feature of this tissue type.

Conclude the reasoning process: Based on the comparison and understanding of transitional epithelium, the correct answer is the one that describes the dome-shaped surface cells that can stretch to become flatter.