During surgical extraction of a deeply impacted mandibular third molar, you observe a sudden gush of bright red blood from the socket. The most likely injured vessel is: A) Inferior alveolar artery B) Lingual artery C) Facial artery D) Greater palatine artery

Which drug is most commonly used for "office-based" conscious sedation in OMFS? A) Propofol B) Midazolam (oral or IV) C) Ketamine D) Fentanyl alone

A needle aspirate of a facial swelling shows "pus with sulfur granules." The most likely diagnosis is: A) Tuberculosis B) Actinomycosis C) Cat-scratch disease D) Sarcoidosis

A patient reports recurrent painful swelling of the right parotid gland during meals. Sialography shows sialectasis (dilation of ducts). Diagnosis: A) Sjögren's syndrome B) Juvenile recurrent parotitis C) Sialolithiasis D) Mumps

What is the ideal time frame for definitive fixation of a facial fracture to avoid malunion? A) Within 1 hour B) 24-48 hours C) 7-14 days D) 3-6 months

The most common cause of postoperative wound infection following clean-contaminated oral surgery is: A) Pseudomonas aeruginosa B) Staphylococcus aureus C) Viridans group Streptococci D) Bacteroides fragilis