MDS PREP
Which of the following local anaesthetics is a vasoconstrictor
1. Lidocaine
2. Procaine
3. Bupivacaine
4. Ropivacaine
Oral Surgery
Answer: 4
Ropivacaine is a vasoconstrictor.
Each of the following statements about local is correct except
1. Lignocaine causes cardiac dysrhythmias
2. Prilocaine is more toxic than lignocaine
3. Bupivacaine is given for obstetrci epitural anaesthesia
4. Both A and B
Each of the following statements about local anaesthesia is correct except: Prilocaine is more toxic than lignocaine.
The amount of rate of distraction in osteogenesis distraction surgeries
1) 1mm/day
2) 2.5 mm/day
3) 5 mm/day
4) 10 mm/day
Oral Surgery
Answer: 1
The rate of distraction in osteogenesis distraction surgeries is typically 1 mm/day, allowing for gradual bone formation.
To give field block the LA should be deposited near
1. Main trunk
2. Large branch of peripheral nerve
3. Small nerve endings
4. Periodontal ligament
Oral Surgery
Answer: 2
To give a field block, the LA should be deposited near a large branch of peripheral nerve.
Number 16 cowhorn forceps are specially designed to extract
1. Maxillary first and second premolars
2. Mandibular central incisors
3. Mandibular molars
4. Maxillary molars
Oral Surgery
Answer: 3
Number 16 cowhorn forceps are specially designed to extract mandibular molars.
An essential feature of a comminuted I fracture, is that, the
1. periosteum is intact
2. bone is fractured completely into two parts
3. overlying integument is intact
4. bone is splintered or crushed
Oral Surgery
Answer: 4
Explanation: A comminuted fracture is characterized by the bone being broken into multiple fragments. This type of fracture is often the result of high-impact trauma and can complicate treatment due to the complexity of the fracture pattern.
Xylocaine strength used in dentistry is
1. 2 %
2. 5 %
3. 8 %
4. 10 %
Oral Surgery
Answer: 1
Xylocaine strength used in dentistry is 2%.
Which of the following is complication of an open fracture
1) Malunion
2) Nonunion
3) Infection
4) Crepitation
Oral Surgery
Answer: 3
An open fracture is a fracture that communicates with the outside environment, typically through a wound. This increases the risk of bacterial infection