The purpose of a tracer is to:

NAHQ references the tracer methodology as a key survey and assessment technique used in accreditation and internal quality reviews. A tracer follows the actual patient experience across departments, services, and transitions, assessing compliance with standards and identifying system-level gaps.

Reviewing records alone (Option A) does not capture workflow and communication. Asking about duties or workplace issues (Options C and D) reflects interviews or audits, not tracers. The tracer’s purpose is to evaluate care delivery end-to-end, making Option B correct.