Which of the following protcols would help to reduce an elderly in-patient's risk for developing delirium?
a) wake the patient in the middle of the night to ensure that pain medications remain on schedule.
b) limit patient mobility to prevent falls and utilize restraints in all uncooperative patients
c) to limit patient confusion, avoid asking orientation questions (who, where, when) and avoid discussing current events that may 'angry up the blood'
d) encourage oral intake of fluids daily and provide a warm drink (milk, tea) at bed-time