Nurse Builders PRACTICE QUESTIONS for CEN Review are a great way to practice answering test questions while reviewing important nursing content. This book contains more than sufficient practice questions complete with answers and rationales to assist you in your preparation for taking the Certified Emergency Nursing Certification (CEN) exam. Taking practice test questions is an essential part of preparation for a certification exam. PRACTICE QUESTIONS for CEN Review is the only place you will find this many high-quality questions for Certified Emergency Nursing Certification (CEN) review.