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 is an example of pseudostratified epithelium?

Ciliated columnar epithelium in the respiratory tract

Stratified squamous epithelium in the skin

Transitional epithelium in the bladder

Simple squamous epithelium in the alveoli

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Verified step by step guidance

Understand the definition of pseudostratified epithelium: Pseudostratified epithelium appears to have multiple layers due to the varying positions of nuclei within the cells, but it is actually a single layer of cells. This type of epithelium is typically found in areas where secretion and movement of mucus are important.

Identify the characteristics of ciliated columnar epithelium: This type of epithelium is characterized by column-shaped cells with cilia on their surface. The cilia help in moving mucus and trapped particles out of the respiratory tract.

Recognize the location of pseudostratified ciliated columnar epithelium: It is commonly found lining the respiratory tract, including the trachea and bronchi, where it plays a role in trapping and moving particles out of the airways.

Differentiate between the other types of epithelium listed: Stratified squamous epithelium consists of multiple layers and is found in areas subject to abrasion, such as the skin. Transitional epithelium can stretch and is found in the bladder. Simple squamous epithelium is a single layer of flat cells found in areas like the alveoli for gas exchange.

Conclude that the ciliated columnar epithelium in the respiratory tract is the example of pseudostratified epithelium, as it fits the description of having a single layer of cells with nuclei at different levels, giving a false impression of stratification.