Which of these is an agent that is used to sterilize the plastic tubing of heart-lung machines?

Which of these is an agent that is used to sterilize the plastic tubing of heart-lung machines?

Which of these is an agent that is used to sterilize the plastic tubing of heart-lung machines? 










A. phenol
B. mercaptoethanol
C. ethylene oxide
D. 70% ethanol












Answer: C