MDS PREP
Maximum recommended dosage of lignocaine with 1:1,00,000 adrenaline subcutaneously is
1. 100 mg
2. 30 mg
3. 500 mg
4. 700 mg
Maximum recommended dosage of lignocaine with 1:1,00,000 adrenaline subcutaneously is 100 mg.
Myelinated nerve fibres have all of the following properties except
1. Conduction is slower in myelinated than in non-myelinated fibres
2. Current discharges at nodes of Ranvier
3. Outer layer is of lipids
4. None of the above
Oral Surgery
Answer: 1
Myelinated nerve fibres have all of the following properties except conduction is slower in myelinated than in non-myelinated fibres.
Most commonly used local anaesthesia
1. 1: 20,000 xylocaine HCL
2. 1: 50,000 xylocaine HCL
3. 1: 10,000 xylocaine HCL
4. 1: 80,000 xylocaine HCL
Oral Surgery
Answer: 4
Most commonly used local anaesthesia is 1: 80,000 xylocaine HCL.
Of the following in which condition local anaesthesia is ineffective?
1. Oedema
2. Localised infection
3. Haematoma
4. Anaemia
Oral Surgery
Answer: 2
Local anaesthesia is ineffective in localized infection.
Of the following which tooth is most difficult to anaesthetize by infiltration technique alone
1. Maxillary canine
2. Macillary central incisors
3. Maxillary first molar
4. Maxillary first premolar
Oral Surgery
Answer: 3
Of the following, the maxillary first molar is the most difficult to anaesthetize by infiltration technique alone.
Among the following, which condition is a containdictation to the use of local anaesthetic agent?
1. Parkinson"s disease
2. Liver damage
3. Pregnancy
4. Hypersensitivity to the drug
Oral Surgery
Answer: 4
Hypersensitivity to the drug is a contraindication to the use of local anaesthetic agent.
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.
Advantage of chisel and mallet over bur in removing bone is
1. Less skill is needed
2. Psychologically more acceptable
3. No coolant is necessary
4. None of the above
Oral Surgery
Answer: 3
The advantage of chisel and mallet over bur in removing bone is that no coolant is necessary.