What piece of information is recognized as objective data in a client's health record?

Objective data refers to measurable, observable facts that can be seen, heard, or measured by someone other than the patient. In the context of a client's health record, it provides tangible evidence of a patient's health status.

The presence of a scar, which can be visibly examined and measured, represents objective data because it is a physical condition that is confirmed through observation rather than self-reported symptoms.

In contrast, the other options reflect subjective data, as they depend on the patient's interpretation and description of their feelings or experiences. The reports of pain, anxiety, and sleep disturbances cannot be independently verified by a healthcare provider; they rely solely on the patient's perspective and thus do not meet the criteria for objective data. This differentiation is crucial for accurate assessment and effective treatment planning in health care.