Certified Surgical Technologist Aseptic Technique and Sterilization 2

Question 1

Which sterilization method is most appropriate for heat-sensitive, moisture-sensitive items such as fiber optic cables?

Accepted Answer

Ethylene oxide (EO) gas

Answer

Ethylene oxide gas sterilizes at low temperatures and is safe for heat- and moisture-sensitive items like fiber optic cables.

Question 2

A sterile field has been set up and left unattended for 30 minutes. What is the correct action?

Accepted Answer

Consider the field contaminated and set up a new one

Answer

A sterile field that has been left unattended and unwatched is considered contaminated and must be replaced.

Question 3

What is the standard biological indicator organism used to verify steam autoclave sterilization efficacy?

Accepted Answer

Geobacillus stearothermophilus

Answer

Geobacillus stearothermophilus spores are the standard biological indicator for steam sterilization because of their high heat resistance.

Question 4

When passing a sharp instrument during surgery, the BEST method to maintain safety and sterility is:

Accepted Answer

Use the neutral/hands-free technique on a designated zone

Answer

The neutral or hands-free technique places the instrument in a designated zone to prevent needlestick injuries while maintaining sterility.

Question 5

Which of the following packaging materials is NOT acceptable for steam sterilization?

Accepted Answer

Aluminum foil

Answer

Aluminum foil does not allow steam penetration and is not acceptable for steam sterilization.

Certified Surgical Technologist Practice Test