When assessing an adult after a fall, the nurse notes a dilated pupil on the right and a hematoma in the right temporal area. The nurse realizes that this likely means that
1. the process affecting the pupil is occurring locally on the right side (ipsilateral pupil dilation).
2. the process affecting the pupil is occurring on the opposite side and is unrelated to the right temporal hematoma.
3. the process affecting the right pupil is temporary and soon both pupils will be equal in size.
4. the process causing the right pupil to dilate is a result of a metabolic process.
Correct Answer: 1
Generally, when a process is occurring locally, the pupil on the same side (ipsilateral) is affected. If the process affecting the pupil were on the opposite side, the left pupil would be dilated. There is not enough information to determine whether the condition is temporary or caused by a metabolic process.
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