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CCRN (Adult) Critical Care Nursing Study Guide (2026)

This is the free study guide for the CCRN (Adult) Critical Care Nursing exam — the same content areas the exam tests, written to the official outline. Read any chapter online free below, then drill the material with 118+ free practice questions and a full timed mock exam.

Last updated: August 2026.

Open the full study guideEvery chapter, in one place — free to read online.

The 6 chapters

  1. 1Cardiovascular13% of the exam
  2. 2Respiratory12% of the exam
  3. 3Endocrine, Hematology/Immunology, GI, Renal/GU and Integumentary21% of the exam
  4. 4Musculoskeletal, Neurological and Behavioral/Psychosocial18% of the exam
  5. 5Multisystem16% of the exam
  6. 6Professional Caring and Ethical Practice20% of the exam

Practice what you read

Reading is step one; recalling it under exam pressure is what passes. Drill free CCRN (Adult) Critical Care Nursing practice questions, then sit a full timed mock exam.

Free practice questions →Timed mock exam →Cheat Sheet →
Studying in order?

Practice stays free. The full CCRN (Adult) — Acute/Critical Care Nursing Certification Exam study guide is the material itself, taught start to finish — a downloadable PDF + EPUB you keep.

Get the book — $24.99

Educational summary, not a substitute for the official material — always confirm current details with AACN. Last updated: August 2026.

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