CEN Domain 1: Cardiovascular Emergencies (16%) - Complete Study Guide 2026
Cardiovascular emergencies represent one of the largest and most critical domains on the CEN exam, accounting for 16% of all questions.
CEN Domain Deep Dives
Domain Deep Dives for the Certified Emergency Nurse (CEN) exam - 10 in-depth guides to help you prepare with confidence. Browse all study resources or jump straight into a guide below.
CEN Domain 2: Medical Emergencies and Communicable Diseases (16%) - Complete Study Guide 2026
Domain 2: Medical Emergencies and Communicable Diseases represents one of the most comprehensive and challenging areas of the CEN examination...
CEN Domain 3: Neurological Emergencies (12%) - Complete Study Guide 2026
Neurological emergencies represent one of the most critical and time-sensitive areas in emergency nursing practice.
CEN Domain 4: Gastrointestinal Emergencies (7%) - Complete Study Guide 2026
The CEN exam tests your knowledge of gastrointestinal bleeding, bowel obstructions, inflammatory conditions, hepatobiliary disorders, and abdominal...
CEN Domain 5: Genitourinary, Gynecological, and Obstetrical Emergencies (7%) - Complete Study Guide 2026
Domain 5: Genitourinary, Gynecological, and Obstetrical Emergencies represents 7% of the CEN exam, accounting for approximately 11 scored questions out...
CEN Domain 6: Orthopedic and Wound Emergencies (9%) - Complete Study Guide 2026
CEN Domain 6 covers Orthopedic and Wound Emergencies, representing 9% of the total exam content.
CEN Domain 7: Maxillofacial, Ocular, and ENT Emergencies (6%) - Complete Study Guide 2026
Domain 7 of the CEN exam focuses on maxillofacial, ocular, and ENT (ear, nose, and throat) emergencies, representing 6% of the total exam content.
CEN Domain 8: Environment and Toxicology Emergencies Study Guide 2026
Domain 8: Environment and Toxicology Emergencies accounts for 8% of the CEN blueprint.
CEN Domain 9: Psychosocial and Mental Health Emergencies
Emergency departments are not psychiatric units, but every emergency nurse knows the reality: behavioral health crises arrive at triage constantly, and...
CEN Exam Domains 2026: Complete Guide to All 7 Content Areas
Understanding the CEN exam domains is the foundation of effective exam preparation. The Certified Emergency Nurse exam tests knowledge across seven...
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