Nurse Builders PRACTICE QUESTIONS for Pediatric Nursing Certification Review (CPN) are a great way to practice answering test questions while reviewing important pediatric nursing content. The 10th edition of this study guide contains over 300 practice questions complete with answers and rationales to assist you in your preparation for taking the Pediatric CPN Exam. Taking practice test questions is an essential part of preparation for a certification exam. PRACTICE QUESTIONS for Pediatric CPN Review is the only place you will find this many exam-style questions for Pediatric CPN Exam review.