FREE NDEB Oral Surgery and Anesthesia Questions and Answers

Question 1

A patient requires a local anesthetic for a restorative procedure.
They have a documented severe systemic liver dysfunction but no known allergies.
Which of the following local anesthetics would be the most appropriate choice due to its primary metabolic pathway?

Accepted Answer

Articaine

Answer

Lidocaine

Answer

Mepivacaine

Answer

Bupivacaine

Question 2

During a morning appointment, a 45-year-old male patient with a history of type 1 diabetes becomes diaphoretic, anxious, and confused. He states he took his insulin but skipped breakfast. He is conscious and able to communicate. What is the most appropriate immediate action?

Accepted Answer

Provide 15-20 grams of a rapidly absorbed oral carbohydrate.

Answer

Administer 1 mg of intramuscular glucagon.

Answer

Administer supplemental oxygen via a nasal cannula.

Answer

Immediately activate emergency medical services (EMS).

Question 3

When designing a mucoperiosteal flap for the surgical extraction of a tooth, which of the following principles is most critical for maintaining flap viability and promoting optimal healing?

Accepted Answer

The base of the flap must be broader than the free gingival margin.

Answer

The flap's vertical releasing incisions should converge towards the apical aspect.

Answer

The horizontal incision should be placed in the unattached alveolar mucosa.

Answer

The flap should be aggressively retracted to maximize surgical access.

Question 4

A dentist is performing a complex extraction of a mandibular first molar and wants to use a mandibular block technique with a very high success rate and a lower incidence of positive aspiration compared to the conventional inferior alveolar nerve block (IANB). Which technique best fits this description?

Accepted Answer

Gow-Gates technique

Answer

Mental nerve block

Answer

Lingual infiltration

Answer

Vazirani-Akinosi technique

Question 5

A patient calls the dental office three days after the extraction of a mandibular third molar, complaining of severe, throbbing pain radiating to the ear, a foul taste, and bad breath. The pain is not well-managed by analgesics. This clinical presentation is most characteristic of:

Accepted Answer

Alveolar osteitis

Answer

Post-operative infection or abscess

Answer

Subperiosteal hematoma

Answer

Normal post-operative healing

Question 6

According to the American Society of Anesthesiologists (ASA) continuum of sedation, what is the primary characteristic that distinguishes moderate sedation from deep sedation?

Accepted Answer

The patient's purposeful response to verbal commands or light tactile stimulation.

Answer

The need for intervention to maintain a patent airway.

Answer

The degree of impairment of cardiovascular function.

Answer

The presence of protective reflexes like coughing and swallowing.