A.A.S. NURSING 1020 - ATI Maternity Study Guide.

A.A.S. NURSING 1020 - ATI Maternity Study Guide/A.A.S. NURSING 1020 - ATI Maternity Study Guide. ABCDE PRINCIPLE Airway/Cervical Spine: This is the most important step in performing the primary survey. If a patent airway is not established, subsequent steps of the primary survey are futile. Protect the cervical spine if head or neck trauma is suspected. Breathing: After achieving a patent airway, assess for the presence and effectiveness of breathing. Circulation: After ensuring adequate ventilation, assess the circulation. Disability: Perform a quick assessment to determine the client’s level of consciousness. Exposure: Perform a quick physical assessment to determine the client’s exposure to adverse elements such as heat or cold.