RDA Job Responsibilities and Duties 2

Question 1

When seating a patient for a dental procedure, which action should an RDA perform first?

Accepted Answer

Review the patient's medical history and update any changes

Answer

Adjust the chair to the lowest position and lock the wheels

Answer

Place the dental bib on the patient

Answer

Turn on the operatory light

Question 2

An RDA is responsible for maintaining the dental unit waterlines. What is the primary reason for flushing waterlines at the start of each day?

Accepted Answer

To reduce microbial contamination from overnight stagnation

Answer

To warm the water to a comfortable temperature

Answer

To test water pressure before patient treatment

Answer

To remove mineral deposits from the lines

Question 3

Which duty is within the scope of practice for a Registered Dental Assistant in most US states?

Accepted Answer

Performing coronal polishing after training and certification

Answer

Diagnosing dental caries

Answer

Prescribing fluoride treatments

Answer

Interpreting radiographs independently

Question 4

During a procedure, the dentist asks the RDA to transfer instruments using the single-handed transfer technique. Where should the RDA position the instrument for handoff?

Accepted Answer

At the exchange zone near the patient's chin

Answer

Directly over the patient's chest

Answer

In the dentist's dominant hand, below their line of sight

Answer

On the bracket tray for the dentist to pick up

Question 5

An RDA notices a patient seems anxious before a procedure. What is the most appropriate initial response?

Accepted Answer

Acknowledge the patient's feelings and inform the dentist

Answer

Immediately administer nitrous oxide to calm the patient

Answer

Proceed quickly to minimize the time the patient has to worry

Answer

Ask the patient to sign an additional consent form

Question 6

What is an RDA's responsibility regarding informed consent?

Accepted Answer

Witnessing the patient's signature on a consent form the dentist has explained

Answer

Obtaining and explaining the full informed consent to the patient

Answer

Determining whether the proposed treatment is appropriate for the patient

Answer

Advising the patient on alternative treatment options

Question 7

An RDA is preparing a tray for a composite restoration. Which material should be included for caries removal and cavity preparation?

Accepted Answer

High-speed handpiece and burs

Answer

Calcium hydroxide liner

Answer

Zinc oxide eugenol base

Answer

Acid etch gel