Which of the following demonstrates that the internal audit activity exercises due professional care?

The practice of supervisors providing feedback to internal auditors after reviewing workpapers demonstrates the exercise of due professional care within the internal audit activity. This feedback mechanism helps ensure the quality of audit work and adherence to professional standards, and it promotes continuous improvement and development of audit staff. This aligns with the IIA’s definition of due professional care, which includes diligence, attention to detail, and continuous professional development.

IIA Standard 1300: Quality Assurance and Improvement Program, which outlines the requirements for due professional care.