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NEETMDS- Oral Surgery mcq
MDS PREP
Maxillary tori are usually removed by
1) Burs and chisels as indicated to section and remove lobulation
2) Bone forceps to hold torus while it is being sectioned
3) Rongeurs to crush bone
4) All of the above
Oral Surgery Answer: 1

Clinical sign that is always positive in bone fracture is
1) Crepitus
2) Tenderness
3) Abnormal mobility
4) All of the above
Oral Surgery Answer: 2

Crepitus is a clinical sign that indicates a bone fracture, along with tenderness and abnormal mobility.

35% nitrogen oxide with 65% oxygen has
1) Slow induction
2) Slow recovery
3) Potent anaesthetic property
4) Good analgesic property
Oral Surgery Answer: 4

Paraesthesia is one of the commonest findings in which of the following fractures?
1) Subcondylar fracture of the mandible
2) Zygomatico maxillary complex fracture
3) Fractured coronoid and displacement of the fracture
4) None of the above
Oral Surgery Answer: 2

In sutured skin incisions of the face, the edges of the skin should be
1) Everted
2) Inverted
3) Edge of Edge
4) Separated
Oral Surgery Answer: 1

How much lignocaine is present in 2.0 ml of 2 % lignocaine solution?
1) 40 mg
2) 20 mg
3) 30 mg
4) 2 mg
Oral Surgery Answer: 1

The following factors play a role and cause variations in susceptibility of sensory nerve fibers to local anaesthesia
1) Diameter of the nerve fiber
2) Distance between nodes of Ranvier
3) Length of nerve fiber
4) All of the above
Oral Surgery Answer: 4

Excisional biopsy is characterized by the excision of
1. most of the lesion including some nor mal tissue
2. soft tissue lesions only
3. precancerous and cancerous lesions only
4. all of the lesion and some normal tissue
Oral Surgery Answer: 4

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