CCRN Practice Test (Adult Critical Care)

The CCRN Practice Test (Adult Critical Care) is a free advanced-level, 25-minute skill test from Science of Apps. It tests readiness for the AACN CCRN (Adult) exam — cardiovascular, pulmonary, endocrine, renal and neurological critical care, multisystem problems such as sepsis and shock, and professional caring and ethical practice — written to the current CCRN blueprint for 2026 and 2027. Score 70% or more on its 25 questions to earn a verifiable CCRN Exam Readiness certificate (SOA-CCRN). Every question is based on published standards and research — including CCRN (Adult) Certification and exam blueprint (AACN), Surviving Sepsis Campaign Guidelines (Society of Critical Care Medicine), Standards of Care in Diabetes (American Diabetes Association) — and each answer is explained with its source.

Yes. Science of Apps has a free CCRN Practice Test built on the current AACN exam outline for 2026 and 2027. It covers cardiovascular, pulmonary, and endocrine, scores you instantly and issues a verifiable certificate.

Read the five skill areas on this page, then take the 25-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a CCRN Exam Readiness certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.

Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: CCRN (Adult) Certification and exam blueprint (AACN); Surviving Sepsis Campaign Guidelines (Society of Critical Care Medicine); Standards of Care in Diabetes (American Diabetes Association); Code of Medical Ethics (American Medical Association); Patient safety (AHRQ); Advanced Cardiovascular Life Support (ACLS) (American Heart Association). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.

Five skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Cardiovascular (Haemodynamics, ACS and arrhythmias and Heart failure and shock); Pulmonary (ARDS and ventilation, Acid–base and PE and pneumothorax); Endocrine, Renal and Haematology (DKA and HHS, AKI and electrolytes and Coagulation); Neurological and Multisystem (Neuro assessment, Sepsis and Trauma and burns); Professional Caring and Ethical Practice (Synergy Model, Family and communication and Ethics and safety). Every question is an original scenario written to the 2026–2027 standard, with the published source named under it.

ICU nurse, Critical care registered nurse, Progressive care nurse, Flight nurse and Rapid response nurse. It suits anyone who wants a quick, verifiable way to show CCRN knowledge in 2026 and 2027, from students and career switchers to experienced professionals.

The CCRN (Adult) exam has 150 questions (125 scored) over 3 hours. About 80% are clinical judgement across body systems and 20% professional caring and ethical practice (Synergy Model).

A licensed RN or APRN with 1,750 hours of direct care of acutely or critically ill patients in the last two years (or 2,000 hours over five years). This practice test is open to anyone preparing.

No. It is an independent practice test written to the publicly available CCRN content outline for 2026 and 2027, for checking your readiness before you book the real exam. Passing earns a Science of Apps certificate rather than the official credential.

Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.

25 questions — 5 from each of 5 skill areas — with a 25-minute limit. You need 70% (18 of 25) to pass and 90% for distinction.

We rate it Advanced: assumes years in the role or deep specialist knowledge. It has 25 scenario questions — 5 from each of 5 skill areas — and a 25-minute limit. You need 70% (18 of 25) to pass and 90% for distinction.

Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.

On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.

You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.

No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.

Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.

Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.

No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.