CCRN Domain 1: Cardiovascular (17%) - Complete Study Guide 2027
The cardiovascular domain represents the largest single content area on the CCRN exam, comprising 17% of all test questions.
CCRN Domain Deep Dives
Domain Deep Dives for the Certification in Acute/Critical Care Nursing (CCRN) exam - 8 in-depth guides to help you prepare with confidence. Browse all study resources or jump straight into a guide below.
CCRN Domain 2: Respiratory (15%) - Complete Study Guide 2027
The Respiratory domain represents 15% of the CCRN exam, making it the second-highest weighted content area after Cardiovascular and Professional Caring...
CCRN Domain 3: Neurology (12%) - Complete Study Guide 2027
Domain 3: Neurology represents 12% of the CCRN exam content areas, making it a significant portion that requires comprehensive understanding.
CCRN Domain 4: Multisystem (12%) - Complete Study Guide 2027
Domain 4: Multisystem represents 12% of the CCRN exam content, making it one of the four highest-weighted domains alongside Domain 3: Neurology.
CCRN Domain 5: Renal and Genitourinary (6%) - Complete Study Guide 2027
The Renal and Genitourinary domain represents 6% of the CCRN examination content, making it one of the smaller but still significant areas you'll need...
CCRN Domain 6: Endocrine, Hematology, and Immunology (8%) - Complete Study Guide 2027
CCRN Domain 6: Endocrine, Hematology, and Immunology represents 8% of the total exam content, making it one of the mid-weighted domains on the CCRN...
CCRN Domain 7: Gastrointestinal (6%) - Complete Study Guide 2027
The Gastrointestinal domain represents 6% of the CCRN examination content, translating to approximately 7-8 questions on your test.
CCRN Exam Domains 2026: Complete Guide to All 7 Content Areas
Understanding the CCRN exam domains is the foundation of effective exam preparation.
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