RDA Infection Control and Barrier Techniques

Question 1

Which category of personal protective equipment (PPE) must be worn by dental assistants during all procedures that may generate aerosols or splatter?

Accepted Answer

Gloves, mask, protective eyewear, and gown

Answer

Gloves only

Answer

Mask and gloves only

Answer

Gown and gloves only

Question 2

According to CDC guidelines, when should a dental assistant change gloves during patient care?

Accepted Answer

Between every patient and whenever gloves are torn or contaminated

Answer

Only when gloves become visibly torn or punctured

Answer

At the end of each workday

Answer

Only when moving from a contaminated to a clean area within the same patient treatment

Question 3

What is the correct sequence for hand hygiene when putting on sterile gloves for a surgical procedure?

Accepted Answer

Surgical hand scrub → dry hands → don gloves

Answer

Don gloves → surgical hand scrub → re-don gloves

Answer

Rinse hands → don gloves immediately

Answer

Quick soap wash → alcohol rub → don gloves

Question 4

Which of the following is classified as a 'critical item' under Spaulding's classification system?

Accepted Answer

Surgical forceps that contact bone

Answer

Dental chair armrests

Answer

X-ray cone

Answer

Blood pressure cuff

Question 5

What does the term 'Standard Precautions' mean in the dental setting?

Accepted Answer

Treating blood, body fluids, and non-intact skin from ALL patients as potentially infectious

Answer

Treating only patients known to have infectious diseases with full PPE

Answer

Using gloves only for patients with a documented infectious disease

Answer

Sterilizing instruments after every third patient

Question 6

After removing contaminated gloves, a dental assistant should perform which action first?

Accepted Answer

Perform hand hygiene with soap and water or an alcohol-based hand rub

Answer

Don a new pair of gloves immediately

Answer

Wipe hands with a dry paper towel

Answer

Apply lotion to prevent skin drying

Question 7

Which surface barrier is most appropriate to protect the dental unit light handle during patient treatment?

Accepted Answer

A pre-cut plastic wrap or commercially made barrier changed between each patient

Answer

Wiping with a dry cloth between patients

Answer

Spraying the handle with disinfectant spray immediately before seating the patient

Answer

Wearing double gloves so one layer can be removed after touching the light