Which of the following is a common server type found in an EHR system?

• A. Application server
• B. Database server
• C. Citrix server
• D. End-user workstation

Answer: (B)

In an EHR system, patient data is stored and retrieved from a centralized database, so the database server is the core component that directly handles the information you work with. This server hosts the database that contains patient demographics, encounters, orders, diagnoses, medications, and audit logs. It provides structured storage, supports queries to pull up records quickly, enforces data integrity through transactions, manages concurrent access for multiple clinicians, and handles data backup and recovery.

While other servers have important roles—an application server runs the EHR’s business logic and user interfaces, and a Citrix server might enable remote access to apps—these are not the data-holding centerpiece of an EHR. End-user workstations are client devices used to access the system, not servers.