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Depyrogenation (P3.160)
Contributed by: Suarez
  • 1. The depyrogenation (dpy) process of glassware and reusable devices must be done
A) once per month
B) once weekly
C) biweekly
D) prior to each use in sterile compounding
E) 1
  • 2. To verify each depyrogenation cycle and it's efficacy
A) repeat process every 6 months
B) use chemical integrator
C) all options are correct
D) use endotoxin challenge vial after depyrogenation commissioning
  • 3. Which type of glassware and/or reusable devices may be placed in the depyrogenation oven?
A) none since everything comes sterile
B) only glassware or devices that can withstand 250 degrees celcius
C) all glassware that will be used for compounding
  • 4. Excluding warm up or cool down times, the dpy process be done:
A) at 375 degrees for 30 minutes or more
B) 2-3hrs at 250 degrees
C) at 250 degrees for couple of seconds is sufficient
D) at 250 degrees for 30 minutes or more
  • 5. Regarding chemical integrator
A) all options are correct
B) must clearly indicate that desired critical conditions were reached
C) must be placed in the hardest to heat location within oven
D) must be the appropriate integrator for depyrogenating
  • 6. When verifying results of dpy cycle, the baked and unbaked vials must have a difference of 1000 fold reduction in endotoxin units.
A) false
B) true
  • 7. After placing temperature probes at the specified test sites for dyp or mimicking such process, the next steps include
A) try to remember temperature measurements by repeating them more than 3 times
B) start dpy cycle and allow oven to warm up
C) ensure the difference in temperature between each test site and the set temperature is less than +,- 20 degrees
D) all options are correct
  • 8. A chemical integrator is a reusable technology that confirms in a quantitative manner in response to a combination of several critical sterilization parameters
A) true
B) false
  • 9. A chemical indicators a disposable technology that confirms in a non-quantitative manner that a given temperature was reached inside of sterilization chamber
A) false
B) true
  • 10. What corrective measures must be taken if the endotoxin challenge vial does not reach a 3-log (1000 fold) reduction in endotoxin units?
A) all options are correct
B) repeat process
C) ensure dyp oven is not used for further dyp until cycle efficacy has been verified
D) contact vendor for appropriate corrective actions when necessary
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