A certified nurse's aide at a Manhasset rehabilitation center was arrested Wednesday after she was seen slapping a 78-year-old woman who suffers from dementia and other problems, the state attorney general's office said.

The nurse's aide, Rose Marie Hall, 53, of Jamaica, then lied in a written report about the Jan. 26, 2013, incident, which left the victim crying and her face reddened, state Attorney General Eric Schneiderman said in a news release. The incident took place at the The Stern Family Center for Extended Care and Rehabilitation, part of the North Shore-Long Island Jewish Health System, the release said.

Hall, of 167-25 147th Ave., was arraigned at First District Court in Hempstead on charges of first-degree endangering the welfare of an incompetent or physically disabled person and two counts of falsifying business records. She was released on a $300 cash bail.

Her attorney could not be reached immediately for comment.

The hospital system reported the incident to authorities, state officials said.

According to the felony complaint, a nurse saw Hall slap the woman, who also suffers from the aftermath of a stroke, diabetes and behavioral problems. Another certified nurse's aide saw the victim crying and holding her face and asked Hall about it, investigators said. Hall told her colleague that the patient had slapped her and she had slapped the patient back, the complaint said.

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As part of the hospital system's investigation, Hall submitted a report that failed to mention she had slapped the woman, who was unable to care for herself due to her physical and mental problems, court papers said.

A nursing supervisor who had to write a report on the incident told state investigators that Hall never mentioned slapping the woman either, according to court papers.

In an April 2013, interview with a state investigator, Hall denied there was any physical contact between her and the patient, even though she acknowledged saying otherwise in her written report, the felony complaint said.

Hall has been a certified nurse's aide since 2001, state officials said. If convicted, Hall faces up to four years in prison.

"Health care workers in New York have a solemn responsibility to care for their patients," Attorney General Eric Schneiderman said in a news release. "Striking an elderly nursing home resident suffering from dementia and other serious conditions and then lying about it are crimes that we will not tolerate."

A comment from the hospital system was not immediately available Wednesday afternoon.