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

13. The Peripheral Nervous System

Introduction to Sensory Receptors

Anatomy & Physiology

13. The Peripheral Nervous System

Introduction to Sensory Receptors

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Multiple Choice

Which of the following areas of the body has the largest number of sensory neurons?

Fingertips

Back

Thigh

Elbow

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Verified step by step guidance

Understand the concept of sensory neurons: Sensory neurons are responsible for transmitting sensory information from various parts of the body to the central nervous system. They are crucial for perceiving touch, temperature, pain, and other sensations.

Consider the function of sensory neurons in different body areas: Areas with a high density of sensory neurons are more sensitive to touch and other stimuli. This is because they have more receptors that can detect changes in the environment.

Evaluate the sensitivity of each body area listed: Fingertips, back, thigh, and elbow. Fingertips are known for their high sensitivity due to the dense concentration of sensory neurons, allowing for precise touch and texture discrimination.

Compare the density of sensory neurons: Fingertips have a higher density of sensory neurons compared to the back, thigh, and elbow. This is why they are more sensitive and can detect finer details.

Conclude based on sensory neuron density: The fingertips have the largest number of sensory neurons among the options provided, making them the most sensitive area for detecting touch and other stimuli.