Mcq In Oral — And Maxillofacial Surgery Pdf
The "Zone of disinfection" when scrubbing for surgery includes: A) Fingertips to elbows B) Fingertips to wrists C) Fingertips to just above the elbow D) Only the palms and fingers
On mouth opening, the jaw deviates to the left side. This suggests: A) Right lateral pterygoid muscle spasm B) Left TMJ disc displacement without reduction C) Hypermobility of the right joint D) Normal variation
The Le Fort I osteotomy is designed to mobilize the maxilla for movement. The horizontal cut is typically made approximately how many mm above the apices of the teeth? A) 1-2 mm B) 5-6 mm C) 10-12 mm D) 15-20 mm ANSWER KEY (Place at the end of PDF) | Q# | Answer | Q# | Answer | Q# | Answer | Q# | Answer | |----|--------|----|--------|----|--------|----|--------| | 1 | C | 14 | B | 27 | C | 40 | B | | 2 | C | 15 | B | 28 | C | 41 | C | | 3 | C* (Check current AHA; recent updates removed routine prophylaxis for most dental procedures) | 16 | B | 29 | C | 42 | B | | 4 | C | 17 | C | 30 | B | 43 | B | | 5 | B | 18 | B | 31 | B | 44 | C | | 6 | B | 19 | B | 32 | D | 45 | B | | 7 | A | 20 | C | 33 | B | 46 | D | | 8 | B | 21 | C | 34 | B | 47 | B | | 9 | B | 22 | B | 35 | C | 48 | B | | 10 | B | 23 | C | 36 | B | 49 | A | | 11 | C | 24 | A | 37 | C | 50 | B | | 12 | C | 25 | B | 38 | B | | | | 13 | A | 26 | B | 39 | A | | | mcq in oral and maxillofacial surgery pdf
A patient presents with a painless, fluctuant swelling over the angle of the mandible. Aspiration yields cholesterol crystals. Most likely: A) Abscess B) Ranula C) Dermoid cyst D) Second branchial cleft cyst SECTION 6: TMJ & SALIVARY GLANDS (Q33-38) Q33. The most common cause of temporomandibular joint (TMJ) pain is: A) Rheumatoid arthritis B) Myofascial pain dysfunction C) Internal derangement with reduction D) Ankylosis
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 "Zone of disinfection" when scrubbing for surgery
Which tumor is known for its "soap bubble" or "honeycomb" radiological appearance in the posterior mandible? A) Adenomatoid odontogenic tumor B) Ameloblastoma C) Odontoma D) Central hemangioma
The first-line empirical antibiotic for a healthy adult with a moderate odontogenic infection (no penicillin allergy) is: A) Clindamycin B) Metronidazole + Amoxicillin C) Azithromycin D) Doxycycline A) 1-2 mm B) 5-6 mm C) 10-12
The treatment of choice for a small (T1N0M0) squamous cell carcinoma of the lower lip is: A) Chemotherapy alone B) Surgical excision with primary closure C) Radiation therapy only D) Observation
The most common causative organism in severe odontogenic infections is: A) Peptostreptococcus B) Streptococcus anginosus (milleri group) C) Actinomyces israelii D) Eikenella corrodens
Which medical condition is an absolute contraindication for outpatient oral surgery? A) Well-controlled hypertension (140/90) B) Hemophilia A with factor VIII level 25% C) Uncontrolled congestive heart failure D) Type 2 diabetes on metformin SECTION 8: CLEFT & ORTHOGNATHIC SURGERY (Q45-50) Q45. The most critical period for cleft lip and palate formation is: A) 1st week of gestation B) 4th to 7th week of gestation C) 3rd month of gestation D) 6th month of gestation
