RDA Job Responsibilities and Duties 3

Question 1

When assisting with a tooth extraction, which task is the RDA permitted to perform?

Accepted Answer

Applying pressure with gauze after the extraction

Answer

Applying post-extraction pressure with gauze to control bleeding is a supportive task within the RDA's scope; the other listed tasks require a dentist's authorization or licensure.

Question 2

An RDA is charting during a dental examination. The dentist calls out 'MOD' on tooth #19. What does this abbreviation indicate?

Accepted Answer

A mesial, occlusal, and distal surface restoration or caries

Answer

MOD refers to the mesial, occlusal, and distal surfaces of a tooth, indicating involvement of those three surfaces in a restoration or caries lesion.

Question 3

How should an RDA respond if a patient discloses they are taking a blood thinner medication that was not on their chart?

Accepted Answer

Note it in the chart and immediately inform the dentist before treatment begins

Answer

Documenting the update and alerting the dentist before any procedure ensures the treatment plan is adjusted to account for bleeding risk.

Question 4

Which standard precaution must an RDA take when handling extracted teeth?

Accepted Answer

Treat them as potentially infectious and use PPE during handling

Answer

Extracted teeth are considered potentially infectious biohazardous material, requiring PPE and proper disposal according to OSHA and state regulations.

Question 5

The dentist places a rubber dam before performing a root canal. What is the primary reason for using a rubber dam in endodontic treatment?

Accepted Answer

To prevent aspiration of files and irrigating solutions

Answer

Rubber dams isolate the tooth and protect the patient's airway from small endodontic instruments and chemicals such as sodium hypochlorite.

(RDA) Registered Dental Assistant Practice Test

(RDA) Registered Dental Assistant Practice Test

RDA Job Responsibilities and Duties 3