IAHCSMM Decontamination & Cleaning Procedures 2

Question 1

What temperature range is typically used in a thermal disinfection (washer-disinfector) cycle?

Accepted Answer

80–93°C (176–199°F)

Answer

60–70°C (140–158°F)

Answer

100–121°C (212–250°F)

Answer

121–134°C (250–273°F)

Question 2

Which type of bioburden poses the greatest challenge to the cleaning process?

Accepted Answer

Dried proteinaceous soil

Answer

Fresh blood

Answer

Saline solution residue

Answer

Surgical lubricant

Question 3

What does the term 'cleaning validation' mean in the context of CS/SPD?

Accepted Answer

Testing and documenting that the cleaning process consistently removes soil to acceptable levels

Answer

Verifying that instruments are sterile

Answer

Confirming that detergent concentration is correct

Answer

Checking that the washer drain is clear

Question 4

Ultrasonic cleaners work by which mechanism?

Accepted Answer

Cavitation created by high-frequency sound waves

Answer

High-pressure water jets

Answer

Chemical dissolution of biofilm

Answer

UV light disinfection

Question 5

After manual cleaning, instruments should be rinsed with water at a minimum temperature of:

Accepted Answer

Warm (35–40°C / 95–104°F)

Answer

Cold (below 15°C / 59°F)

Answer

Room temperature (20–25°C / 68–77°F)

Answer

Hot (above 60°C / 140°F)

Question 6

Which standard provides guidelines for the cleaning, disinfection, and sterilization of reusable medical devices in the US?

Accepted Answer

AAMI ST79

Answer

ISO 9001

Answer

OSHA 1910.1030

Answer

JCAHO TJC.4