1) Explain the difference in patient acuity. 2) Identify the role of the ICU RN in their relationship with other disciplines. 3) Describe the patient conditions which would require mechanical ventilation. 4) Identify various invasive monitoring devices. 5) Identify four medications that require ICU monitoring. Operating Room 1) Identify and explain three different types of anesthesia used in the OR. 2) Explain the difference between sterile and clean technique. 3) Explain the functions of the circulating nurse, scrub nurse or tech, and anesthesia nurse. 4) Describe the difference between the CRNA and the anesthesiologist.