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

15. The Special Senses

Introduction to Special Senses

Anatomy & Physiology

15. The Special Senses

Introduction to Special Senses

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Multiple Choice

Which cochlear hair cells are stimulated by high-frequency sounds?

Hair cells in the vestibule

Hair cells in the middle of the cochlea

Hair cells at the base of the cochlea

Hair cells at the apex of the cochlea

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Verified step by step guidance

Understand the structure of the cochlea: The cochlea is a spiral-shaped organ in the inner ear that is responsible for converting sound waves into nerve signals. It is divided into different regions, each sensitive to different frequencies of sound.

Identify the role of hair cells: Hair cells are sensory cells located within the cochlea. They are responsible for detecting sound vibrations and converting them into electrical signals that can be interpreted by the brain.

Learn about the frequency mapping in the cochlea: The cochlea is tonotopically organized, meaning different parts of the cochlea are sensitive to different frequencies. High-frequency sounds stimulate hair cells located at the base of the cochlea, while low-frequency sounds stimulate hair cells at the apex.

Recognize the base of the cochlea: The base of the cochlea is the part closest to the oval window, where sound waves enter the cochlea. This region is sensitive to high-frequency sounds due to the stiffness of the basilar membrane.

Conclude which hair cells are stimulated by high-frequency sounds: Based on the tonotopic organization, high-frequency sounds stimulate the hair cells located at the base of the cochlea.