Transitions in care in the perioperative environment are numerous and should be

Transitions in care in the perioperative environment are numerous and should be considered high-risk endeavors. The perioperative period begins when the patient is informed of the need for surgery, includes the surgical procedure and recovery, and continues until the patient resumes his or her usual activities.
Answer the five following questions.
1. Identify the goal of nurses’ preoperative assessment and describe how it assists with patients’ transitions in care.
2. Explain the role of the nursing preoperative assessment in the perioperative environment.
3. Describe the three phases of the surgical experience and at least two functions of the nurse during each phase.
4. Describe the role of the circulating nurse, scrub nurse and non-sterile personnel within the operating room.
5. Differentiate between & list the sterile and non-sterile surgical team members. Explain their roles and responsibilities.
Sources have to be reliable and evidenced-base for no more than 5 years, which is from 2019 to the present.