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

Onychia is an inflammation of the:

nail bed

sebaceous glands

epidermis

hair follicle

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Verified step by step guidance

Step 1: Begin by understanding the term 'Onychia.' Onychia refers to inflammation specifically associated with the nail or nail bed. This term is derived from 'onyx,' which means nail in Greek.

Step 2: Review the anatomy of the nail bed. The nail bed is the skin beneath the nail plate, rich in blood vessels and nerves, and plays a crucial role in nail growth and health.

Step 3: Compare the nail bed to the other options provided: sebaceous glands, epidermis, and hair follicle. Sebaceous glands are responsible for secreting sebum and are located near hair follicles, not related to nails. The epidermis is the outermost layer of skin, and while it covers the body, it is not specific to the nail bed. Hair follicles are structures that produce hair, unrelated to nails.

Step 4: Recognize that inflammation of the nail bed (Onychia) is distinct from conditions affecting sebaceous glands, epidermis, or hair follicles. This specificity helps identify the correct answer.

Step 5: Conclude that the correct answer is 'nail bed,' as Onychia directly refers to inflammation in this anatomical structure.