DAANCE - Dental Anesthesia Assistant National Certification Examination Basic Sciences and Anatomy Questions and Answers

Question 1

A patient undergoing a procedure with local anesthesia for the mandibular molars reports numbness of the lower lip, chin, and the anterior two-thirds of the tongue.
This indicates the anesthetic has successfully affected which two nerves?

Accepted Answer

Mental and Lingual nerves

Answer

Infraorbital and Nasopalatine nerves

Answer

Buccal and Auriculotemporal nerves

Answer

Posterior Superior Alveolar and Greater Palatine nerves

Question 2

Which of the following local anesthetics is classified as an ester and is primarily used as a topical agent in dentistry?

Accepted Answer

Benzocaine

Answer

Lidocaine

Answer

Articaine

Answer

Bupivacaine

Question 3

During a sedation procedure, the dental anesthesia assistant notices the patient's breathing has become shallow and slow. This condition, caused by the depressant effect of sedative drugs on the central nervous system, is best described as:

Accepted Answer

Respiratory depression

Answer

Tachycardia

Answer

Hypertension

Answer

Hypoxia

Question 4

The trigeminal nerve is the fifth cranial nerve (CN V) and is crucial for dental anesthesia. It divides into three main branches. Which branch provides sensory innervation to the maxillary teeth and surrounding tissues?

Accepted Answer

Maxillary nerve (V2)

Answer

Ophthalmic nerve (V1)

Answer

Mandibular nerve (V3)

Answer

Facial nerve (VII)

Question 5

A patient with a history of significant cardiovascular disease is scheduled for a procedure under moderate sedation. In addition to standard monitoring of blood pressure, pulse oximetry, and respiration, which of the following is most strongly recommended for this patient?

Accepted Answer

Continuous ECG monitoring

Answer

Temperature monitoring

Answer

Bispectral index (BIS) monitoring

Answer

Urine output measurement

Question 6

Anatomic structures such as a large tongue, enlarged tonsils, or a retrognathic mandible can increase the risk of what complication during sedation?

Accepted Answer

Airway obstruction

Answer

Hypertensive crisis

Answer

Malignant hyperthermia

Answer

Venous thromboembolism