1. Function of vasoconstrictor in Local anaesthesia:Decreases duration of anaesthesiaToxicity increasesReduces systemic toxicityAbsorption increasesQuestion 1 of 20 2. Which of the following needs care during surgical repositioning while doing Preprosthetic surgery on mandible:Labial frenumMental tubercleGenial tuberclesMylohyoid ridgeQuestion 2 of 20 3. CSF rhinorrhea can be identified by all exceptIncreased level of ?-2 transferrinTramline patternHigh protein contentHigh glucose contentQuestion 3 of 20 4. Oxidized cellulose (oxycel) cannot be used along with:PenicillinThrombinNone of the aboveBoth of the aboveQuestion 4 of 20 5. Medial dislocation of condyle in sub condylar fracture is due to action of:Medial pterygoidTemporalisLateral pterygoidMasseterQuestion 5 of 20 6. After Le-Fort 1 osteotomy the blood supply of maxilla is maintained byGreater palatine arteryAnterior superior alveolar arteryAscending pharyngeal branch of facial arteryPosterior superior alveolar arteryQuestion 6 of 20 7. In Winters classification, Red line indicates:Short line easy extractionno effectLonger line difficult extractionLonger line easy extractionQuestion 7 of 20 8. Following an oral surgical procedure the surgical site is covered with a gauze dampened with saline because theSaline promotes haemostasis at the siteSaline decreases the tendency of the clot to become embedded in the gauze meshSaline has localised anti-inflammatory actionSaline accelerates the healing of the woundQuestion 8 of 20 9. Oronasal intubation is not indicated in:Parietal bone fracturesMandibular fracturesLe Fort I fracturesLe Fort II and III fracturesQuestion 9 of 20 10. Postoperative hypotension is usually due to the effect of:SubmentalLaryngeal mask airwayTransfusion reactionsOrotrachealQuestion 10 of 20 11. Gas used for Conscious sedation:N2O + HeN2O + O3N2O + H2N2O + O2Question 11 of 20 12. Vertical incision cannot be given in:Lingual side of mandibleRetromolar areaBuccal side of mandibleDepth of labial vestibuleQuestion 12 of 20 13. Massetric space infection can spread to which of the following spaces directlyPterygomandibular spaceSubmassetric spaceParotid spaceInfratemporal spaceQuestion 13 of 20 14. Radiographic examination is useful in detecting all the following cysts, except theResidual cystNasopalatine cystFolicular cystNasoalveolar cystQuestion 14 of 20 15. The most dangerous type of spread from apical abscess is, toPterygoidSubmandibular spaceParapharyngeal spaceInfratemporal fossaQuestion 15 of 20 16. Malignant hyperthermia (MH) is a pharmacogenetic disease of skeletal muscle. Characteristically patients with this disease:Have no signs or symptoms except during an anestheticHave sickle-cell anemiaHave congenital heart diseaseSuffer from arteriosclerosisQuestion 16 of 20 17. In a Trauma patient with intraoral bleeding, best way to secure airway is:TracheostomyCricothyrotomyAwake Fiberoptic intubationAwake intubationQuestion 17 of 20 18. The dose of epinephrine given in anaphylaxis:1 mg in 1:100 IM0.5 mg in 1:500 IM0.5 mg in 1:1000 IM0.5 mg in 1:10,000 IMQuestion 18 of 20 19. Patient with head injury and cervical # cannot be ruled out , best method of intubation isNormal/regular Laryngoscopy and intubationLMACombitubeFiberoptic intubationQuestion 19 of 20 20. A suitable fixative for a routine biopsy specimen is10 % alcohol10% formalin40%formalin20 % formalinQuestion 20 of 20 Loading...