An unconscious, unidentified man is admitted to an emergency trauma center. What would be the system of choice to ensure patient identification?

a. Assign a name to the patient, such as John Doe, and use that name for identification.
b. Assign a number to the patient until the patient can be identified.
c. Wait to process any samples until the patient can be identified.
d. Use a three-part identification system that utilizes a temporary armband and labels for specimens and blood to be transfused.

d