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

5. Integumentary System

Introduction to the Integumentary System

Anatomy & Physiology

5. Integumentary System

Introduction to the Integumentary System

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Multiple Choice

Which layer of skin is primarily damaged when a hair is forcibly pulled out of the skin?

Stratum corneum

Hypodermis

Epidermis

Dermis

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Verified step by step guidance

Understand the structure of the skin, which consists of three main layers: the epidermis (outermost layer), dermis (middle layer), and hypodermis (innermost layer). Each layer has distinct functions and components.

Recognize that hair follicles are located in the dermis layer of the skin. The dermis contains connective tissue, blood vessels, nerve endings, and structures like sebaceous glands and hair follicles.

When a hair is forcibly pulled out, the damage primarily occurs in the dermis because the hair follicle is embedded in this layer. The act of pulling disrupts the follicle and surrounding tissue.

The epidermis, which is the outermost layer, may experience minor disruption during the pulling process, but the primary damage is deeper in the dermis where the follicle resides.

The hypodermis, which is primarily composed of fat and connective tissue, is not directly involved in the damage caused by pulling out a hair, as it lies beneath the dermis and does not house hair follicles.