CSFA Aseptic Technique and Sterilization 2

Question 1

Which sterilization method is most appropriate for heat-sensitive endoscopic equipment?

Accepted Answer

Ethylene oxide (EO) gas sterilization

Answer

Ethylene oxide gas sterilization operates at low temperatures, making it ideal for heat-sensitive instruments like endoscopes.

Question 2

When a sterile field becomes wet, what is the correct course of action?

Accepted Answer

Consider it contaminated and replace the draping

Answer

Strike-through contamination occurs when moisture creates a pathway for microorganisms, so any wet sterile field must be considered contaminated.

Question 3

What is the minimum safe distance a non-scrubbed person should maintain from the sterile field?

Accepted Answer

12 inches

Answer

Non-scrubbed personnel must remain at least 12 inches from the sterile field to prevent contamination.

Question 4

Which Spaulding classification category applies to surgical instruments that penetrate sterile tissue?

Accepted Answer

Critical

Answer

Critical items penetrate sterile tissue or the vascular system and require sterilization, the highest level of microbial destruction.

Question 5

How should a sterile gown be considered if it becomes torn during a procedure?

Accepted Answer

Change gown immediately as it is contaminated

Answer

Any breach in gown integrity compromises the sterile barrier; the gown must be changed immediately.

CSFA - Certified Surgical First Assistant Practice Test