When you shine the light into the left eye how will the left pupil react? Circle...

When you shine the light into the left eye how will the left pupil react? Circle one of the following choices; constrict, dilate or no change.
When you shine the light into the left eye how will the right pupil react? Circle one of the following choices; constrict, dilate or no change.
When you shine the light into the right eye how will the right pupil react? Circle one of the following choices; constrict, dilate or no change.
When you shine the light into the right eye how will the left pupil react? Circle one of the following choices; constrict, dilate or no change.

Expert Solution

Ans-1. constrict

The amount of light which enters in the eye is controlled by the muscles of iris which can contract or dialate the pupils. When bright light is shown to the left eye, it leads to constriction of pupil of the left eye as a reflex to allow less amount of light to enter in it. It will restrict the photons to damage the cornea or retina of the eye. This is left direct pupillary reflex.

Ans-2. Constrict

The pupil of the right eye will constrict the same way as the left eye when light us directed into the left eye. This is called right consensual pupillary reflex.

Ans-3. Constrict

When light is shown into the right eye, the pupil of the right eye will constrict. This is the reflex to protect the eye from photons which can directly affect retina or the cornea. This is called right direct pupillary reflex.

Ans-4. Constrict

When the light is shown into the right eye, the pupil of the left eye will also constrict the same way as the right eye. This is the reflex of the left eye called left consensual pupillary reflex.

Sydney Mullin answered 1 year ago

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