Related Experiment Video
Updated: Jun 3, 2026

Measurement of Heme Synthesis Levels in Mammalian Cells
Published on: July 9, 2015
Heme-onc emergencies
1University of Chicago Hospitals, Chicago, IL, USA.
Insights
Prepare for the Certified Pediatric Emergency Nurse (CPEN) exam with practice questions. This column offers self-evaluation tools, including questions, rationales, and references, to support nurses seeking CPEN certification.
Area of Science:
- Emergency Nursing
- Pediatric Nursing
- Professional Certification
Background:
- The Certified Pediatric Emergency Nurse (CPEN) examination was established in January 2009.
- There is a need for resources to support nurses preparing for this specialized certification.
Purpose of the Study:
- To provide a regular resource for nurses preparing for the CPEN examination.
- To aid in self-evaluation and knowledge reinforcement for pediatric emergency nursing.
Main Methods:
- The Journal of Emergency Nursing (JEN) features a dedicated column.
- This column is published three times annually.
- Content includes practice questions mirroring the CPEN exam format.
Main Results:
- The column provides questions, rationales for correct answers, and supporting references.
- This serves as a tool for self-assessment and study.
Conclusions:
- This educational column is a valuable resource for nurses pursuing CPEN certification.
- Regular engagement with the provided materials can enhance exam preparedness.
Abstract:
January of 2009 marked the start of the Certified Pediatric Emergency Nurse (CPEN) examination. In support of this new certification, three times a year JEN will feature this new column supplying questions similar to those in the CPEN examination to assist in preparation for the examination. Questions, rationale for the correct answers, and references are provided here for your self-evaluation.
Related Concept Videos
Introduction Cardiac Emergencies
Esophageal Varices-II: Clinical Features and Management
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Hemodialysis II: Procedure and Complications
Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration
Regulation of Hematopoietic Stem Cells
Hemoglobin
When all four heme groups are bound to oxygen, the resulting molecule is called oxyhemoglobin. As a result, arterial blood...

