As Director of the HIM Department you have become aware of instances of unauthorized access to the record file area. After considering several options to limit or restrict access to the area, you decide to
A. install a computerized access control panel.
B. hire a security guard to monitor entrance to the file area.
C. convert from a terminal digit filing system to serial unit filing.
D. utilize a sign-in and sign-out log for admittance to the file area.
Answer: A