Final answer:
When a nurse audits and monitors patients' health records, they are determining the degree to which care standards are met.
Step-by-step explanation:
When a nurse is auditing and monitoring patients' health records, they are taking the action of determining the degree to which standards of care are met by reviewing patients' health records.
This involves assessing whether the care provided aligns with the established standards and guidelines for patient treatment and outcomes.
By reviewing the health records, the nurse can identify any gaps or areas where improvements may be needed in patient care.