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 Nervous Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Nervous Tissue

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Multiple Choice

Which of the following is an example of an unencapsulated nerve ending?

Ruffini endings

Pacinian corpuscles

Free nerve endings

Meissner's corpuscles

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Verified step by step guidance

Understand the concept of nerve endings: Nerve endings are specialized structures in the nervous system that detect stimuli such as touch, pressure, pain, and temperature. They can be classified as encapsulated or unencapsulated based on whether they are surrounded by a connective tissue capsule.

Define unencapsulated nerve endings: Unencapsulated nerve endings are simple, free nerve endings that lack a surrounding connective tissue capsule. They are typically involved in detecting pain, temperature, and light touch.

Review the options provided: Ruffini endings, Pacinian corpuscles, Free nerve endings, and Meissner's corpuscles. Note that Ruffini endings, Pacinian corpuscles, and Meissner's corpuscles are all encapsulated nerve endings, meaning they are surrounded by a connective tissue capsule.

Identify the correct answer: Free nerve endings are unencapsulated nerve endings. They are found in the skin, mucous membranes, and other tissues, and they play a role in detecting pain, temperature, and certain types of touch.

Conclude the reasoning: Based on the definitions and characteristics of encapsulated and unencapsulated nerve endings, the correct answer is 'Free nerve endings,' as they are the only unencapsulated option listed.