RDA Assisting with Administration of Anesthesia and Sedation 5

Question 1

What is the primary role of the RDA when the dentist is administering a local anesthetic injection?

Accepted Answer

Monitor the patient, retract tissue, and maintain a calm environment

Answer

The RDA supports the procedure by monitoring patient response, retracting tissue as needed, and helping maintain patient comfort and cooperation.

Question 2

A patient reports heart palpitations shortly after receiving a local anesthetic with epinephrine. The MOST likely explanation is:

Accepted Answer

Intravascular injection of epinephrine

Answer

Inadvertent intravascular injection of epinephrine causes rapid cardiovascular effects including palpitations, tachycardia, and elevated blood pressure.

Question 3

Which sedation level is characterized by a patient who responds purposefully to repeated or painful stimulation but cannot be easily aroused?

Accepted Answer

Deep sedation

Answer

Deep sedation involves depressed consciousness where patients respond only to repeated or painful stimuli and may require airway support.

Question 4

Which topical anesthetic agent is most commonly used in dental offices prior to needle insertion?

Accepted Answer

Benzocaine 20%

Answer

Benzocaine 20% gel is the most widely used topical anesthetic in dentistry for reducing discomfort prior to needle penetration.

Question 5

During enteral sedation monitoring, the RDA observes that the patient's respiratory rate has dropped to 6 breaths per minute. This finding requires:

Accepted Answer

Stimulating the patient and immediately alerting the dentist

Answer

A respiratory rate of 6 breaths per minute indicates significant respiratory depression requiring immediate stimulation of the patient and dentist notification.

(RDA) Registered Dental Assistant Practice Test

(RDA) Registered Dental Assistant Practice Test

RDA Assisting with Administration of Anesthesia and Sedation 5