COMT Practice Exam 2025 – Complete Resource for Exam Prep

Question: 1 / 505

A patient with rod monochromatism identifies all colors as shades of __________.

Red

Blue

Gray

Individuals with rod monochromatism possess a condition characterized by the absence or dysfunction of cone photoreceptors, which are responsible for color vision. Instead of perceiving colors, a person with rod monochromatism relies solely on rod cells, which are sensitive to light intensity. As a result, they are unable to distinguish hues and instead perceive the world predominantly in shades of gray.

This condition emphasizes that the affected individual does not have the ability to experience color in the typical sense, leading to a visual perception that is limited to variations in brightness rather than different colors. Therefore, saying that a patient with rod monochromatism identifies all colors as shades of gray accurately reflects the nature of their visual experience.

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