In alphabetic filing, a patient's first name is the Second filling unit
Alphabetic filing is the arrangement of files or documents based on the alphabets of the name of persons that owns the files. A patients's surname is usually considered first in Alphabetic filing therefore the first name comes in the second filing unit during filing.
Hence we can conclude that In alphabetic filing, a patient's first name is the Second filling unit.
Learn more about alphabetic filing : https://brainly.com/question/14653443
