1. Gas used for Conscious sedation: N2O + He N2O + O2 N2O + O3 N2O + H2 2. Ptosis is caused by the lesions in: Trigeminal Oculomotor Troclilear Abducens 3. Lingual split techniinstrument used to cut the tooth is Straight elevator Chiesal Surgical bur Osteotome 4. Lidocaine is: Least safest inhalation anesthetic Ten times as toxic as procaine Least toxic LA agent One and one-half times as toxic as procaine 5. Maximum dose articaine dose that can be given is 1.3 mg/kg 7mg/kg 5.4 mg/Kg 6mg/kg 6. Diagnosis of dry socket is done by Clinical examination History Radiographs None of the above 7. After inj. of LA pt experiences pallor, perspiration and disorientation. What is the first step of treatment Inject 1:1000 Adrenaline IV Keep head between knees Supine position Administer O2 8. Most common bacterium responsible for subacute bacterial endocarditis after dental extraction is Streptococcus salivarius Streptococcus mutans Streptococcus mitis Streptococcus viridians 9. In Triage, which colour code is used to depict moderate injury that is not life threatening? Black Green Red Yellow 10. A polytrauma patient reported to the emergency on a stretcher, with a semirigid cervical collar support. On examination, patient was non responsive to painful stimuli, verbal commands. What is your first plan of action CT scan head & cervical spine CT Scan head CT scan head cervical spine, chest & abdomen. Tracheal incubation with cuffed tube 11. Le Fort I fracture is characterized by CSF rhinorrhoea Bleeding into antrum All of the above Bleeding from ear 12. While extracting an infected tooth in a pregnant woman, she faints. Dentist should put her in which position: Supine head down Horizontal on floor Supine head up Lateral on left side 13. Patient with prosthetic cardiac valve needs oral surgical procedure under GA. Antibiotic prophylaxis of choice is 500 mg before 1hr to GA 600 MG Clindamycin 15 min before surgery 1gm amoxicillin 2hr prior to GA 2gm amoxicillin 1hr prior to GA 14. A lady in 2nd trimester of pregnancy develops syncope while extraction of the 2nd maxillary molar. She should be placed in: Left lateral Head down towards knees Right lateral Trendlenberg position 15. During an inferior alveolar nerve block injection, the needle passes through the mucous membrane and the buccinator muscle and lies lateral to the: Medial pterygoid muscle Temporalis muscle Lateral pterygoid muscle Masseter muscle 16. Pulse rate in infant is normally: 60 beats/min 80 beats/min 130 beats/min 100 beats/min 17. Polyglycolic acid suture is: Nonabsorbable natural suture Absorbable synthetic suture Absorbable natural suture Nonabsorbable synthetic suture 18. Red line in the Winter WAR lines signifies: Level of alveolar bone covering the impacted teeth Level of the CEJ of 2nd molar Depth of impacted tooth Angulation of 2nd molar 19. Guerin sign is seen in: Lefort 3 fracture Lefort 2 fracture Lefort 1 fracture Mandibular fracture 20. The maxillary sinus opens into the middle meatus of the nose through the: Hiatus semilunaris Frontonasal duct Bulla ethmoidalis Nasolacrimal duct Loading … Question 1 of 20