Which of the following statements is true with regard to conducting an effective quality assurance and improvement program?

During an internal audit, an organization's processing department is found to have incidences of both duplicate invoices and notices from customers that purchased goods were not received. The department under review insists that some of these reports are false and that others were isolated oversights due to understaffing.
Which of the following tests would best help the internal auditor detect fraudulent activity?

This chief audit executive (CAE) engaged an internal auditor to consult on an organization's complex information technology system. Shortly after beginning the engagement, the auditor unexpectedly resigned.
Unfortunately, this auditor was the only available auditor with the necessary expertise. The CAE will not be able to hire someone with similar expertise in time to meet a regulatory deadline.
Which of the following would be the best course of action for the CAE to take?

The audit committee is concerned that the small size of the internal audit activity (IAA) makes it impractical to achieve full conformance with the Standards. To address this concern, which of the following actions is most appropriate for the CAE to take?

What is the primary purpose of a fishbone diagram?