A patient recovering from a stroke is reporting vision changes. The nurse realizes that these changes are occurring because:
1. the stroke occurred in the optic region of the patient's brain.
2. the brain interprets information received through the eyes.
3. the patient is experiencing another stroke.
4. the patient is unable to talk because of the stroke.
Correct Answer: 2
The primary functions of the eye are to encode the patterns of light from the environment through photoreceptors and to carry the coded information from the eyes to the brain. The brain gives meaning to the coded information and interprets what is seen. The information provided is inadequate to determine the location of the infarct. The patient's clinical manifestations are not consistent with another stroke. There is no indication of the patient's verbal abilities.
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