Section1 History of the CCRN Credential Section2 Registering for the CCRN Examination Section3 Test Taking Strategies Section4 Cardiovascular System Questions Section5 Pulmonary System Questions Section6 Endocrine System Questions Section7 Hematology/ Immunology System Questions Section8 Neurology System Questions Section9 Gastrointestinal System Questions Section10 Renal System Questions Section11 Multisystem Questions Section12 Behavioral/Psychosocial Questions Section13 Special Populations in Critical Care