A student nurse is completing an internship in the emergency department. The student asks the preceptor. "How is emergency department nursing different from other areas of nursing practice? How should the experienced emergency department nurse respond? Select all that apply.

Rationale: A. Emergency department (ED) nursing focuses on acute, urgent, or emergent care, not routine primary care. Primary care involves preventive, long-term, and health maintenance services, which are outside the ED scope. B. ED nurses manage sudden, severe illnesses or injuries that require rapid assessment, stabilization, and intervention. This differentiates ED nursing from units providing routine or chronic care. C. ED nurses see neonates, children, adults, and older adults in the same shift, which requires broad knowledge across the lifespan. D. Patients often arrive with symptoms rather than confirmed diagnoses, requiring ED nurses to perform rapid assessments, triage, and initiate interventions without full diagnostic information. E. ED care is short-term and focused on immediate stabilization and treatment. Once the patient is stabilized, they may be discharged, admitted, or transferred to another unit—care is usually not ongoing long-term management.