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

Rods, Cones, and Light

Anatomy & Physiology

15. The Special Senses

Rods, Cones, and Light

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Multiple Choice

Which type of cell is best at detecting light in low-light environments?

Bipolar cells

Ganglion cells

Cones

Rods

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Verified step by step guidance

Begin by understanding the function of each type of cell mentioned in the problem. Bipolar cells and ganglion cells are part of the neural pathway in the retina, but they are not directly responsible for detecting light.

Cones are photoreceptor cells in the retina that are responsible for color vision and function best in bright light conditions. They are not suited for low-light environments.

Rods are another type of photoreceptor cell in the retina. They are highly sensitive to light and are responsible for vision in low-light conditions. This makes them the best type of cell for detecting light in dim environments.

Consider the distribution of rods and cones in the retina. Rods are more numerous and are distributed throughout the retina, except in the fovea, which is densely packed with cones.

Conclude that rods are specialized for low-light vision due to their high sensitivity to light and their ability to function in dim conditions, making them the correct answer for detecting light in low-light environments.