The measurement of serious, undesirable and avoidable outcomes in a hospital, like falls, is known as:

Correct option is B

A sentinel event indicator is used to monitor serious, unexpected, and preventable events in a hospital setting, such as patient falls, medication errors, or surgical complications. These indicators help healthcare organizations identify safety gaps and improve quality of care.
Explanation of options: (a) Benchmarking – ❌ This is a process of comparing performance metrics with best practices from other organizations, not specific to avoidable adverse outcomes. (b) Sentinel event indicator – ✔ Correct. It is specifically used to track serious, preventable incidents like patient falls or wrong-site surgery. (c) Morbidity indicator – ❌ This measures disease incidence or prevalence, not specifically serious adverse events. (d) Standard indicator – ❌ This is a broad term and not specific to critical or adverse hospital events.