Mr. Jones spends 3 days in the Neuro Intensive Care Unit. Once stabilized, he is transferred to a 30-bed medical unit. Mr. Jones has left-sided paralysis, facial drooping with dysphagia, left visual field deficit and aphasia. His IV fluids are discontinued, but he continues with a 20 gauge saline lock, now in the right forearm. He also has an indwelling urinary catheter. The HCP prescribes bedrest and sitting upright in a chair 4 times a day.Which nursing diagnosis has the highest priority?