Your vision adapts to faint light through what mechanism?
A)The pupils constrict.
B)Visual receptors build more of the molecules that respond to light.
C)Visual receptors increase the velocity of their action potentials.
D)The brain shifts its attention to enhance weak action potentials.

Question

Your vision adapts to faint light through what mechanism?​
A)The pupils constrict.
B)​Visual receptors build more of the molecules that respond to light.
C)​Visual receptors increase the velocity of their action potentials.
D)​The brain shifts its attention to enhance weak action potentials.

Quizplus · Accepted Answer

The mechanism by which the human vision adapts to faint light is through the building of more molecules that respond to light. This process is known as dark adaptation, which is the process through which the retina adjusts to changes in the intensity of light. When the amount of light entering the eye is reduced, the visual receptors in the retina increase the concentration of the photopigment rhodopsin, which is responsible for absorbing light. This leads to an increase in sensitivity to low light levels, allowing for clearer vision in the dark.

Your Vision Adapts to Faint Light Through What Mechanism?​

Your Vision Adapts to Faint Light Through What Mechanism?