MDS PREP
Among the following which is the rescule breathing in adult?
1) 6 times/min
2) 18 times/min
3) 12 times/min
4) 24 times/min
Oral Surgery
Answer: 3
The recommended rate for rescue breathing in adults is approximately 12 breaths
per minute. This rate allows for adequate ventilation without causing
hyperventilation.
The sterilising units should be monitored at which of the following intervals
1. Daily
2. Weekly
3. Biweekly
4. Monthly
Oral Surgery
Answer: 2
Sterilizing units should be monitored weekly to ensure proper function and
efficacy in killing bacteria and other microbes. This is done through
biological, chemical, and physical indicators.
The blood product of choice for treatment of haemophilics is
1. Fresh blood
2. Cryoprecipitate
3. Fresh frozen plasma
4. Plasma
Oral Surgery
Answer: 2
Cryoprecipitate is the blood product of choice for treatment of haemophilics, as
it is rich in Factor VIII, which is deficient in this condition. It is used to
control bleeding during surgical procedures.
In Le Fort I fracture, the fracture fragment includes all of the following except the
1. Bridge of the nose
2. Nasal spine
3. Lower portions of the pterygoid processes
4. Upper teeth and palate
Oral Surgery
Answer: 1
Le Fort I Fracture
Le Fort I fracture involves the maxilla and typically
includes the upper teeth and palate, lower portions of the pterygoid
processes, and the nasal spine. However, it does not involve the bridge of
the nose, which is part of the facial skeleton above the maxilla.
Early movements of TMJ following surgery for TMJ ankylosis is
1. Desirable
2. Harmful
3. Contraindicated
4. B & C
Oral Surgery
Answer: 1
Early movements of TMJ following surgery for TMJ ankylosis is desirable.
The following anatomical landmarks are useful in the closed mouth approach of mandubular nerve block except
1. Occlusal plane of occluding teeth
2. Anterior border of ramus
3. Mucogingival junction of the mandibular teeth
4. A & B
Oral Surgery
Answer: 3
The closed mouth approach of mandibular nerve block relies on the anatomical
landmarks of the occlusal plane of occluding teeth and the anterior border of
the ramus. The mucogingival junction is not a relevant landmark for this
technique.
Rapid onset of action seen by local anaesthesia in small nerve endings is due to
1. Increased threshold of small nerves due to depolarization
2. Low pH of small nerve fibres
3. High ratio of surface area to the volume of small nerve fibres
4. None of the above
Oral Surgery
Answer: 3
Rapid onset of action seen by local anaesthesia in small nerve endings is due to the high ratio of surface area to the volume of small nerve fibres.
The effect of local anaesthesia can be increased by the addition of
1. Adrenaline
2. Isoprenaline
3. Dopamine
4. Felypressin
Oral Surgery
Answer: 1
The effect of local anaesthesia can be increased by the addition of adrenaline.