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

The mucosa lining the trachea is made of which type of epithelial tissue?

Transitional epithelium

Pseudostratified ciliated columnar epithelium

Stratified squamous epithelium

Simple squamous epithelium

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Verified step by step guidance

Understand the function of the trachea: The trachea is part of the respiratory system and serves as a passageway for air. Its lining must be specialized to trap debris and move mucus upward toward the pharynx for expulsion.

Review the characteristics of epithelial tissue types: Transitional epithelium is found in areas like the bladder, where stretching occurs. Stratified squamous epithelium is suited for protection in areas subject to abrasion, such as the skin or esophagus. Simple squamous epithelium is thin and ideal for diffusion, as seen in alveoli. Pseudostratified ciliated columnar epithelium has cilia and goblet cells, which are specialized for trapping and moving particles in the respiratory tract.

Match the epithelial tissue type to the trachea's function: The trachea requires a lining that can trap debris and move mucus. Pseudostratified ciliated columnar epithelium is equipped with cilia and goblet cells, making it ideal for this function.

Eliminate incorrect options: Transitional epithelium does not fit the trachea's function. Stratified squamous epithelium is protective but lacks cilia. Simple squamous epithelium is too thin and lacks the necessary mucus-secreting and debris-moving capabilities.

Conclude that the mucosa lining the trachea is made of pseudostratified ciliated columnar epithelium, as it is specialized for the respiratory system's needs.