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

In the context of the integumentary system, where are the cutaneous blood vessels and nerve fibers primarily located?

Subcutaneous fat layer

Dermis

Stratum corneum

Epidermis

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Verified step by step guidance

Understand the structure of the integumentary system, which consists of the epidermis, dermis, and subcutaneous layer (hypodermis). Each layer has distinct functions and components.

Recall that the epidermis is the outermost layer of the skin, primarily composed of keratinized epithelial cells. It lacks blood vessels and nerve fibers, relying on diffusion from the dermis for nutrients.

Recognize that the dermis is the middle layer of the skin, rich in connective tissue, and contains the majority of the skin's blood vessels, nerve fibers, sweat glands, and hair follicles. This is where cutaneous blood vessels and nerve fibers are primarily located.

Note that the subcutaneous fat layer (hypodermis) lies beneath the dermis and primarily serves as insulation and energy storage. It contains larger blood vessels but is not the primary location for cutaneous blood vessels and nerve fibers.

Understand that the stratum corneum is the outermost layer of the epidermis, composed of dead keratinized cells, and does not contain blood vessels or nerve fibers. This reinforces why the dermis is the correct answer.