The nurse explains that the difference between an illusion and a hallucination is that an illusion could be exemplified by:

Question

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An illusion has an external stimulus that causes an erroneous translation.Anyone,even a person with intact sensorium,can have an illusion.An example of an illusion is seeing water on the highway,which is really only heat waves.A hallucination has no external stimulus.An example of a hallucination is the alcoholic seeing spiders crawling on the ceiling.

The Nurse Explains That the Difference Between an Illusion and a Hallucination