Answer:C. Analyze and Plan
Explanation: INFORMATICS is a branch of Information engineering which is concerned with the use of information science and technology to improve the health management system.
Informatics helps the overall use, coordinating, evaluation and organising of Information received to help improve knowledge or services delivery. In order for the Informatics Nurse to effectively improve the screen display,the nurse will have to ANALYSE WHAT THE ROOT CAUSE IS AND PLAN ON HOW TO IMPROVE THE SCREEN DISPLAY.