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

Previous problemNext problem

Struggling with Anatomy & Physiology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

The oropharynx and the laryngopharynx are lined with which type of epithelium?

Simple columnar

Pseudostratified ciliated columnar

Stratified squamous

Transitional

Previous problemNext problem

Verified step by step guidance

Understand the function of the oropharynx and laryngopharynx: These regions of the pharynx are part of the digestive and respiratory systems, and they are exposed to mechanical stress from food passage and air movement.

Recall the characteristics of stratified squamous epithelium: This type of epithelium is composed of multiple layers of cells, providing protection against abrasion, pathogens, and chemical damage.

Compare the listed epithelial types: Simple columnar epithelium is specialized for absorption and secretion, pseudostratified ciliated columnar epithelium is involved in mucus movement in the respiratory tract, and transitional epithelium is found in areas like the bladder where stretching occurs.

Identify why stratified squamous epithelium is suitable: The oropharynx and laryngopharynx require a durable lining to withstand the mechanical stress of food and air passage, which is provided by stratified squamous epithelium.

Conclude that stratified squamous epithelium is the correct answer based on its protective function and location in areas subject to mechanical stress.