The following two laboratory tests should be considered before deciding whether to use general anaesthesia or not 1. Total WBC count and prothrombin time 2. Total WBC count and urine analysis 3. Bleeding time and clotting time 4. Complete blood count and urine analysis
Oral SurgeryAnswer: 4
How many mg of 2% lidocaine present in the cartidge? 1) 36 mg 2) 18 mg 3) 180 mg 4) 360 mg
Oral SurgeryAnswer: 1
Of the following which is most suitable anaesthesia for the extraction of a deciduous molar 1) Inferior alveolar nerve block 2) Surface anaesthesia 3) Local infiltration 4) None of the above
Oral SurgeryAnswer: 1
A 60 year old patient reports for the ex traction of a diseased maxillary right second molar which was the only tooth in that quadrant and was serving as an abutment. Care must be taken when extracting this tooth, to prevent
1. displacement of the palatal root into the maxillary sinus
2. fracture and removal of the floor of the maxillary sinus along with the tooth
3. alveolar osteitis
4. displacement of the tooth into the masseteric space
Oral SurgeryAnswer: 2
Likely cause of trismus after inferior block anaesthesia is 1) Damage to medial pterygoid muscle during injection 2) Myositis of the external pterygoid muscle 3) Submandibular cellulitis 4) None of the above
Oral SurgeryAnswer: 1
Which X-ray view should be taken for the diagnosis of a fracture of the zygomatic arch?
1. Lateral skull
2. Submentovertex
3. Occlusal
4. Posterioanterior
Oral SurgeryAnswer: 2
During the removal of a maxillary torus, the mid portion of the palatine process of the maxilla is accidentally removed. One might see 1) Vertical fracture of the maxilla 2) An opening into the nasal cavity 3) Opening into the maxillary antrum 4) None of the above
Oral SurgeryAnswer: 2
The "red line" in Winter"s classification of impacted teeth represents 1) The depth at which the impacted teeth is isolated 2) The angulation of the 2nd molar 3) The summit of the alveolar bone covering the impacted tooth 4) Relation of the 3rd molar to the ramus
