口腔颌面外科学(a型题)（Oral and maxillofacial surgery (A type )）.doc

口腔颌面外科学(a1型题1)（Oral and maxillofacial surgery (A1 type 1)） One, A1 type questions: each exam questions below have A, B, C, D, E five alternative answers. Please choose the best answer from the corresponding letter card, and the corresponding number in the answer will be the black box. 1. the important cure standard of jaw fracture is A. bone healing B. fibrous healing C. fracture line without loosening of teeth D. to restore the original occlusion relationship No infection occurred in E. The correct answer: D 2. cleft palate occurs A. embryos for third weeks B. embryos for sixth weeks C. embryos for seventh weeks D. embryos for eighth weeks E. embryos ranged from ninth to 12 weeks The correct answer: E 3. the most common complication of oral and maxillofacial infection is A. Pericoronitis B. space infection Pyogenic osteomyelitis of the jaws in C. D. purulent lymphadenitis E. facial furuncle carbuncle The correct answer: E 4. of the 3 palate have the following nerve anastomosis Superior alveolar nerve and superior alveolar nerve on A. B. pterygopalatine nerve and middle palatine nerve C. anterior palatine nerve and middle palatine nerve D. middle palatine nerve and posterior palatine nerve E. the anterior palatine nerve and the pterygopalatine nerve The correct answer: E 5. thyrocricotomy after intubation for the longest time should not exceed A.8 hours B.10 hours C.12 hours D.24 hours E.48 hours The correct answer: E 6. about mandibular incisor extraction, which is correct? A. mandibular incisors are similar to those of maxillary incisors and can be rotated B. mandibular incisors are thin and easy to break, and can not use rotation force C. mandibular incisors are relatively thin and easy to break, and can be rotated slightly D. the root of mandibular incisors is thin but not easy to break, so the shaking force and rotation force can be used at the same time E.B+D The correct answer: B 7. X-ray examination of maxillary fracture preferred A. Walter bits B.s position