During surgical excision of the parotid gland the following structures may be damaged 1) Lesser occipital nerve, hypoglossal nerve, chorda tympani 2) Facial nerve and articulotemporal nerve 3) Submandibular duct 4) Cervical fascia
Oral SurgeryAnswer: 2
35% nitrogen oxide with 65% oxygen has 1) Slow induction 2) Slow recovery 3) Potent anaesthetic property 4) Good analgesic property
Oral SurgeryAnswer: 4
Why is epinephrine added to local an esthetic solutions?
1. It decreases the rate of destruction of the local anesthetic
2. It neutralizes the acid of infected tissues
3. It potentiates the action of the anesthetic
4. It decreases the absorption of the an esthetic
Which one of the following is characteristic of Le Fort I fracture? 1) CSF rhinorrhoea 2) Bleeding from the ear 3) Bleeding into the antrum 4) A and B
Oral SurgeryAnswer: 3
According to gate control theory of pain, large fiber impulses tend to 1) Bypass the central control process 2) Inhibit the effect of painful stimuli transmitted by small fibers 3) Both the above 4) None of the above
Oral SurgeryAnswer: 2
After the general anaesthesia, vommiting may occur. The immediate post operative complication following aspiration of liquid vomitus into trachea and bronchi is 1) Lung abscess and tuberculosis 2) Bronchitis and chemical pneumonia 3) Pleurisy and atelectasis 4) Pleurisy and empyema
Oral SurgeryAnswer: 2
Osteomyelitis of the jaw can be cured by 1) Resection 2) Physiotherapy 3) Sequestrectomy with antibiotic treatment 4) Drainage