Begins when decision to proceed with surgery is made and end with the transfer of the patient to the or table. Establish baseline evaluation ! preoperative interview (physical and emotional assessment, previous anesthetic and medical hx, allergies, genetic issues) Ensure necessary tests have been or will be performed. Provide education about recovery from anesthesia and postoperative care. Surgery day: patient teaching reviewed, patient identity and surgical site verified, safe transport home verified. Necessary before nonemergent surgery ! invasive procedures, procedures involving sedation or anesthesia, nonsurgical procedure with higher risk (arteriography), radiation procedures: emergency: can operate if lifesaving measure but attempts to contact family must be done. Q"s must be answered to facilitate comprehension if material confusing. Immune function allergies, immunosuppression: previous med use drug interactions (ie. w/ anesthetics), side effects, psychosocial factors fears, anxiety, family support, willingness to learn, etc, spiritual and cultural beliefs communication, coping.