In order to destroy prions, such as those in Creutzfeldt-Jakob disease, how long must they be sterilized?
a. Chemically sterilized for 10 minutes in Cavicide
b. Steam sterilized for a minimum of 1 hour at 270° F after soaking in sodium hydroxide for 1 hour
c. Soaked in ethylene oxide for at least 30 minutes, then dry heat sterilized for 10 minutes
d. Rinsing in sterile water at 240° F for 1 hour then rinsing in Cavicide
ANS: B
Prions are an infectious protein that must be steam sterilized for a minimum of 1 hour at 270° F after soaking in sodium hydroxide at room temperature for 1 hour. If a prevacuum sterilizer is used, the item can be processed for 18 minutes at 274° F after soaking for 1 hour in sodium hydroxide.
You might also like to view...
The Q angle is
a. the mechanical axis of the lower limb. b. the line of pull of the quadriceps. c. an axis between the tibial tuberosity and the femoral head. d. a vertical line providing a measure of joint alignment.
What is the maximum elevation of an aerial device for an effective elevated stream?
A. 45° B. 60° C. 75° D. 90°