Frequently Asked Questions

Everything you need to know about the CCRN exam and Zero Deficit prep tools

About the CCRN Exam
What is the CCRN exam?
The CCRN (Critical Care Registered Nurse) certification is a specialty credential for nurses who provide direct care to critically ill adult patients. It demonstrates expertise in critical care nursing and is widely recognized in the healthcare industry.
How many questions are on the CCRN exam?
The CCRN exam has 150 multiple-choice questions. Of these, 125 are scored and 25 are unscored pretest items being evaluated for future exams. You have 3 hours to complete the entire exam.
What is a passing score for the CCRN?
The CCRN uses a scaled scoring system. You generally need approximately 70-75% correct answers on the scored questions to pass. The exact cut score is determined by psychometric analysis and may vary slightly between exam versions.
What topics are covered on the CCRN exam?
The CCRN exam covers 8 major body systems: Cardiovascular (17%), Respiratory (15%), Endocrine (4%), Hematology/Immunology (3%), Neurology (12%), Gastrointestinal (6%), Renal (6%), and Multisystem/Behavioral (17%). The remaining 20% covers professional caring and ethical practice.
How do I register for the CCRN exam?
Register directly through the official CCRN certification website. The exam fee is approximately $250-$370 depending on membership status. You can take it at a PSI testing center or via live remote proctoring.
About Zero Deficit
How is Zero Deficit different from other CCRN prep tools?
Zero Deficit was built by an ICU nurse who passed the CCRN exam. Unlike generic study apps, every question and study guide is specifically written for critical care nursing. We offer 695+ practice questions with detailed rationales, AI-powered spaced repetition flashcards, and study guides covering all 8 body systems tested on the exam.
What is your pass rate?
Users who complete our full study program report a 92% first-time pass rate on the CCRN exam. This compares favorably to the national average pass rate of approximately 72%.
How long should I study before taking the CCRN?
Most nurses study for 4-8 weeks before taking the CCRN. Zero Deficit's dashboard includes an exam countdown and personalized study recommendations based on your performance to help you prepare efficiently.
Features & Content
How many practice questions do you have?
We currently offer 695+ CCRN practice questions across all 8 body systems. Each question includes a detailed rationale explaining why the correct answer is right and why the incorrect answers are wrong. New questions are added regularly.
What are AI-powered flashcards?
Our flashcards use spaced repetition, an evidence-based learning technique. The AI tracks which concepts you struggle with and shows those cards more frequently, while spacing out cards you've mastered. This optimizes your study time and improves long-term retention.
Can I study offline?
Yes! Zero Deficit is a Progressive Web App (PWA) with offline support. Once you've loaded the app, study guides and previously viewed content are cached for offline access. You can study during commutes or breaks without an internet connection.
Pricing & Subscriptions
Is there a free trial?
Yes! We offer a free 72-hour trial with full access to all premium features. No credit card is required to start your trial. After the trial, you can choose from our Monthly ($14.99/mo), Annual ($84.99/yr), or Lifetime ($199.99 one-time) plans.
Can I cancel my subscription?
Absolutely. You can cancel your subscription at any time from your Profile page or through your app store (Apple App Store or Google Play). You'll retain access until the end of your current billing period.
What's included in the Lifetime plan?
The Lifetime plan ($199.99 one-time purchase) gives you permanent access to all current and future features, including all practice questions, study guides, AI flashcards, timed exams, and progress analytics. No recurring charges ever.
Account & Privacy
How do I delete my account?
You can delete your account from the Profile page or by visiting /delete-account directly. Account deletion permanently removes all your data within 30 days. This action cannot be undone.
What data do you collect?
We collect your email address (for login), study progress, and quiz results to provide personalized recommendations. We do not sell your data to third parties. For complete details, please read our Privacy Policy.
Technical & Support
What devices can I use Zero Deficit on?
Zero Deficit works on any device with a modern web browser. It's available as a Progressive Web App (PWA) on the web, as a native app on the Apple App Store (iOS), and on the Google Play Store (Android). Your progress syncs across all devices.
I'm having trouble logging in. What should I do?
Try resetting your password using the "Forgot Password" link on the login page. If you signed up with Google or Apple, use the same sign-in method. If you continue having issues, contact us at support@zerodeficitccrnprep.com.

Ready to Start Studying?

Join thousands of ICU nurses using Zero Deficit to pass the CCRN on their first attempt.

Start Your Free Trial →