ABO NOCE Practice Test

Question: 1 / 400

In what conditions would you expect rod cells to be more active?

Bright daylight

Dim light conditions

Rod cells are photoreceptor cells in the retina responsible for vision in low-light conditions. They are highly sensitive to light but do not detect color, which is why they play a crucial role in night vision and peripheral vision. In dim light conditions, rod cells are significantly more active compared to bright daylight, where cone cells, which are responsible for color vision, take over.

Under bright daylight, the intense light can saturate rod cells, leading to decreased activity. High color visibility and bright colors are associated with cone cells, which function optimally under well-lit conditions to detect colors and fine details. Therefore, it is specifically in dim light conditions that rod cells shine, making this scenario the correct context for their heightened activity.

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High color visibility

Bright colors

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