Upon returning to your station following a run, you should disinfect the ambulance as needed. Disinfection is MOST accurately defined as:

A. using heat as a means of removing all microbial contaminants.
B. killing pathogenic agents with a chemical made for that purpose.
C. removing dirt, dust, blood, or other grossly visible contaminants.
D. destroying pathogenic agents by using potent disinfection means.

Answer: B. killing pathogenic agents with a chemical made for that purpose.