BCEN Study Guide 2026
Everything you need to pass the BCEN exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 BCEN Exam Format at a Glance
📚 BCEN Topics to Study (69)
✍️ Sample BCEN Questions & Answers
1. A patient refuses a recommended blood transfusion citing religious beliefs. They are alert and competent. What should the nurse do?
A competent adult has the right to refuse any treatment, including life-saving interventions; the nurse must respect this decision and document informed refusal.
2. What role does ethics play in Toxicology practice?
Professional ethics provide frameworks for responsible decision-making, ensuring practitioners act in the best interest of those they serve.
3. Which of the following is the priority intervention for a patient with a suspected spinal cord injury?
Spinal immobilization is the immediate priority to prevent secondary injury from movement before definitive imaging and diagnosis.
4. Which radiation exposure scenario poses the GREATEST immediate contamination risk to emergency department staff?
An undecontaminated dirty bomb victim may carry radioactive particulate matter that poses direct contamination risk to staff.
5. A patient has a first-degree AV block with a PR interval of 0.26 seconds. Which statement is most accurate about this finding?
First-degree AV block is characterized by a PR interval >0.20 seconds with all impulses conducted; it is typically benign and rarely requires treatment.
6. During auscultation of breath sounds, you hear a high-pitched inspiratory sound over the trachea. This finding is called:
Stridor is a high-pitched inspiratory sound caused by upper airway obstruction, indicating a potentially life-threatening emergency.