DANB Infection Control

Question 1

What is the most effective method for sterilizing dental instruments?

Accepted Answer

Autoclaving

Answer

Autoclaving uses saturated steam under pressure to achieve sterilization, effectively killing all microorganisms, including spores. This method is considered the most reliable and widely accepted for heat-tolerant dental instruments. It ensures the complete destruction of pathogens, preventing cross-contamination between patients.

Question 2

Which of the following personal protective equipment (PPE) must be worn during a dental procedure?

Accepted Answer

Full PPE including gloves, mask, eyewear, and gown

Answer

Full personal protective equipment (PPE) is essential during dental procedures to protect both the patient and the dental team from exposure to blood, saliva, and aerosols. This comprehensive barrier includes gloves for hand protection, a mask to prevent inhalation of airborne particles, eyewear to shield the eyes from splashes, and a gown to protect clothing from contamination.

Question 3

What is the primary purpose of using barrier techniques in infection control?

Accepted Answer

To prevent surface contamination

Answer

Barrier techniques involve covering clinical contact surfaces with disposable materials like plastic wraps or foils. The primary purpose is to prevent these surfaces from becoming contaminated with patient fluids during treatment. This significantly reduces the need for extensive disinfection between patients and helps maintain a sterile environment.

Question 4

How should sharps like needles be disposed of?

Accepted Answer

In a sharps container

Answer

Sharps, such as needles, scalpel blades, and orthodontic wires, pose a significant risk of percutaneous injury and transmission of bloodborne pathogens. They must be immediately disposed of in a puncture-resistant, leak-proof sharps container. This prevents accidental needlesticks and ensures the safety of dental staff and waste handlers.

Question 5

When should hand hygiene be performed during patient care?

Accepted Answer

Before gloving and after removing gloves

Answer

Proper hand hygiene is a cornerstone of infection control. It must be performed before putting on gloves to ensure hands are clean and free of microorganisms. It is also crucial to perform hand hygiene immediately after removing gloves to eliminate any potential contamination that may have occurred during the procedure or from glove tears.

DANB General Chairside Assisting (GC) Test Practice Test

DANB General Chairside Assisting (GC) Test Practice Test

DANB Infection Control