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 type of epithelial membrane lines body cavities that are open to the exterior?

Cutaneous membrane

Mucous membrane

Serous membrane

Synovial membrane

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Verified step by step guidance

Step 1: Understand the concept of epithelial membranes. Epithelial membranes are composed of epithelial tissue and an underlying layer of connective tissue. They serve various functions, including protection, secretion, and absorption.

Step 2: Review the types of epithelial membranes. There are three main types: mucous membranes, serous membranes, and cutaneous membranes. Additionally, synovial membranes are not epithelial but connective tissue membranes.

Step 3: Focus on mucous membranes. Mucous membranes line body cavities that are open to the exterior, such as the respiratory, digestive, urinary, and reproductive tracts. They secrete mucus to keep the surfaces moist and protect against pathogens.

Step 4: Compare mucous membranes to other types. Cutaneous membranes (skin) cover the body surface and are exposed to the exterior but do not line cavities. Serous membranes line closed cavities and secrete serous fluid. Synovial membranes are found in joint cavities and secrete synovial fluid.

Step 5: Conclude that mucous membranes are the correct type of epithelial membrane that lines body cavities open to the exterior, based on their structure and function.