NBDHE NBDHE Infection Control and Sterilization 2

Question 1

How frequently does the CDC recommend biological (spore) monitoring of dental sterilizers?

Accepted Answer

Weekly

Answer

The CDC recommends weekly biological monitoring of sterilizers using spore tests to verify ongoing sterilization effectiveness.

Question 2

In what order should personal protective equipment (PPE) be DONNED in the dental setting?

Accepted Answer

Gown, mask, protective eyewear, gloves

Answer

PPE is donned in the order: gown first, then mask, protective eyewear, and gloves last to maintain barrier integrity.

Question 3

Which sterilization method is MOST appropriate for heat-sensitive and moisture-sensitive dental instruments?

Accepted Answer

Ethylene oxide gas sterilization

Answer

Ethylene oxide gas sterilization operates at low temperatures without moisture, making it suitable for instruments that cannot tolerate heat or steam.

Question 4

What is the PURPOSE of an external chemical indicator (Type 1 process indicator) placed on a sterilization package?

Accepted Answer

Confirms that the package was exposed to the sterilization process

Answer

External chemical indicators confirm only that a package was exposed to the sterilization process, not that sterility was actually achieved.

Question 5

Hepatitis B virus (HBV) is MOST notable for which environmental characteristic?

Accepted Answer

It can remain viable on dry environmental surfaces for at least 7 days

Answer

HBV can remain viable on dry environmental surfaces for at least 7 days, demonstrating exceptional environmental stability compared to other bloodborne pathogens.

NBDHE Test Practice Test

NBDHE Test Practice Test

NBDHE NBDHE Infection Control and Sterilization 2