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 Heart2h 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 tissues lines the majority of the digestive tract, from stomach to rectum?

simple columnar

simple squamous

transitional

stratified cuboidal

pseudostratified ciliated columnar

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Verified step by step guidance

Understand the function of the digestive tract lining: The lining of the digestive tract is primarily involved in absorption and secretion. It needs to be efficient in nutrient absorption and secretion of digestive enzymes and mucus.

Identify the characteristics of each tissue type: Simple columnar epithelium is known for its role in absorption and secretion, featuring tall, column-like cells that provide a large surface area. Simple squamous epithelium is thin and flat, suitable for diffusion but not for absorption. Transitional epithelium is specialized for stretching, found in the urinary system. Stratified cuboidal epithelium is protective, found in glandular ducts. Pseudostratified ciliated columnar epithelium is involved in secretion and movement of mucus, found in respiratory pathways.

Match the tissue type with the digestive tract function: The digestive tract requires a lining that can efficiently absorb nutrients and secrete mucus. Simple columnar epithelium, with its tall cells and microvilli, is well-suited for these functions.

Consider the location and function of each tissue type: Simple columnar epithelium lines most of the digestive tract, from the stomach to the rectum, due to its ability to facilitate absorption and secretion. Other tissue types do not match the functional requirements of the digestive tract.

Conclude with the most appropriate tissue type: Based on the functional requirements and characteristics, simple columnar epithelium is the tissue that lines the majority of the digestive tract, from stomach to rectum.