MDS PREP
The amount of vasoconstrictor in 1 mL of 2 % lignocaine solution with 1:2,00,000 adrenaline is
1. 0.5 mg
2. 0.05 mg
3. 0.005 mg
4. 0.0005 mg
Oral Surgery
Answer: 3
The amount of vasoconstrictor in 1 mL of 2 % lignocaine solution with 1:2,00,000 adrenaline is 0.005 mg.
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.
A fracture resulting from the destruction of bone by local or systemic disease is termed
1. greenstick fracture
2. impacted fracture
3. complicated fracture
4. pathological fracture
Oral Surgery
Answer: 4
A pathological fracture occurs when a bone breaks in an area weakened by disease, such as cancer, osteoporosis, or infection. Unlike traumatic fractures, which result from an external force, pathological fractures occur due to underlying conditions that compromise the structural integrity of the bone.
Which of the following elevators fits well in the operator"s hand and can be rotated between the thumb and the finger
1. Couplan elevator
2. Hospital patteren elevator
3. Winter"s elevator
4. Warwick-James elevator
Oral Surgery
Answer: 4
The elevator which fits well in the operator's hand and can be rotated between the thumb and the finger is Warwick-James elevator.
The scalpel blade most commonly used for oral surfical procedures is
1. No. 22
2. No. 12
3. No. 11
4. No. 15
Oral Surgery
Answer: 4
The scalpel blade most commonly used for oral surgical procedures is No. 15.
Sensitivity to local anaesthetics is greater in
1. Type B fibres
2. Type C fibres
3. Type A delta fibres
4. Fibres supplying the muscle spindles
Oral Surgery
Answer: 2
Type C fibers, which are unmyelinated and smaller in diameter, are more sensitive to local anesthetics compared to other types of nerve fibers.
After the surgical removal of chronically infected teeth in a controlled diabetic patient, which of the following is of utmost importance
1) Postoperative check of patient for bleeding
2) Revaluation of insulin dosage being taken by the patient
3) Both the above
4) None of the above
Oral Surgery
Answer: 2
Diabetes affects wound healing and immune response. After surgery, stress and altered eating patterns can impact blood glucose levels. Monitoring and adjusting the insulin dosage as necessary is critical to prevent complications such as infection or delayed healing. Postoperative bleeding is important but secondary to glycemic control in diabetics.
Inferior alveolar nerve block is absolutely contraindicated in patients suffering from one of the following diseases
1. Thrombocytopenia
2. Haemophilia
3. Hypoprothrombinaemia
4. Von Willebrand"s disease
Inferior alveolar nerve block is absolutely contraindicated in patients suffering from haemophilia.