Aclient with moderate dementia often assaults nursing staff, and the staff members decide to develop a plan to minimize this behavior. what should the plan include?

The answer would be: identification of nursing staff members whom the client prefers 

Patient with dementia has a problem with their memory function. This makes them hard to remember all the staff that take care of them. Seeing someone you don't remember will be frightening so they can't be held responsible for their uncooperativeness. Limiting the staff members that the patient knows should reduce this problem.