Knowledge Flashcards
7 cards from real NBDE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Knowledge flashcards as text
Which type of collagen is predominantly found in the periodontal ligament?
Answer: Type I
Type I collagen is the major collagen in the periodontal ligament, providing tensile strength.
The foramen cecum of the tongue marks the site of origin of which structure?
Answer: Thyroglossal duct
The foramen cecum is the embryologic remnant of the thyroglossal duct from which the thyroid gland descended.
Which pharmacological agent is most appropriate for reversing benzodiazepine overdose?
Answer: Flumazenil
Flumazenil is a competitive benzodiazepine receptor antagonist used to reverse benzodiazepine sedation.
Which cell is primarily responsible for bone resorption?
Answer: Osteoclast
Osteoclasts are multinucleated cells derived from hematopoietic precursors that resorb bone via acid and proteolytic enzymes.
A patient presents with inability to open the mouth widely after a mandibular block injection. This complication is best described as:
Answer: Trismus
Trismus is limited mouth opening due to muscle spasm or injury, often following inadvertent injection into the medial pterygoid muscle.
The process of apposition in tooth development refers to:
Answer: Layered deposition of enamel and dentin matrices
Apposition is the stage in tooth development where enamel and dentin matrices are incrementally laid down by ameloblasts and odontoblasts.
Which nerve provides general somatic afferent innervation to the anterior two-thirds of the tongue?
Answer: Lingual nerve (V3)
The lingual nerve, a branch of V3, carries general sensation (touch, temperature, pain) from the anterior two-thirds of the tongue.