Final answer:
The exact inventory of each drug must be posted on an automated dispensing device to ensure medication safety and regulatory compliance.
Step-by-step explanation:
The exact inventory of each drug stored in a compartment of an automated dispensing device must be posted on the device. In a healthcare setting, it is essential for safety and regulatory compliance to have accurate and up-to-date information readily available. Displaying the inventory helps ensure that medication errors are minimized, and any potential discrepancies can be quickly identified and addressed. This is a key aspect of medication management, particularly in hospital environments where controlled substances management must adhere strictly to regulatory standards.