CCRN (Adult) Critical Care Nursing exam topics — the 6 content areas by weight
The CCRN (Adult) Critical Care Nursing exam is built from 6 weighted content areas. Focus your time where the weight is. Each area below links to a free study chapter and practice questions. These weights are how PrepPass has organized the material, not a figure published by the exam authority.
Cardiovascular
13%Respiratory
12%Endocrine, Hematology/Immunology, GI, Renal/GU, Integumentary
21%Musculoskeletal, Neurological, Behavioral/Psychosocial
18%Multisystem
16%Professional Caring and Ethical Practice
20%Ready to test yourself?
Drill 118+ free CCRN (Adult) Critical Care Nursing practice questions across every content area, then sit a full timed mock exam — no signup required.

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.
Content-area weights are PrepPass’s own organization of the material. Where CCRN (Adult) Critical Care Nursing publishes an official outline, check it directly. Confirm current details with AACN. Study aid, not a substitute for the official material. Last updated: August 2026.