Final answer:
The nurse is using interpersonal skills to collaborate with a multidisciplinary team in developing a plan of care.
Step-by-step explanation:
The nurse in this situation is using interpersonal skills to collaborate with a multidisciplinary team in developing a plan of care for the adolescent with a severe head injury. Interpersonal skills involve effective communication, teamwork, and building relationships with others. By involving various healthcare professionals in the decision-making process, the nurse ensures a comprehensive and coordinated approach to meet the patient's needs.