Final answer:
Completing a medication reconciliation between units is the most useful action to prevent medication errors when receiving a transferred patient.
Step-by-step explanation:
The most useful action to prevent medication errors when receiving a patient transferred from another unit is completing a medication reconciliation between units. This involves comparing the medications the patient was receiving in the previous unit with the medications prescribed by the physician in the new unit to identify any discrepancies or errors. By reconciling the medications, healthcare providers can ensure that the patient's medication regimen is accurate and appropriate.
While checking the physician's order against the patient's chart is important to verify the prescribed medications, it may not capture any changes that occurred during the transfer process. Reviewing the transfer summary for medication changes is also important, as it provides information about any modifications to the patient's medication regimen.
However, completing a medication reconciliation is the most comprehensive action, as it involves verifying and reconciling all medications, including any changes that may have occurred during the transfer.