What would be the exposure phase time for an unwrapped instrument set with some lumens in a prevacuum/dynamic air removal steam autoclave?
a. 3 minutes
b. 4 minutes
c. 10 minutes
d. 30 minutes
Question 2
Why are instruments placed in perforated or mesh-bottom trays for sterilization?
a. reduce tray weight
b. penetration of sterilant
c. easy grouping of instruments
d. easy removal of instruments