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NEETMDS- Oral Surgery mcq
MDS PREP
Of the following which is main cause to toxic manifestations following injection of a vasoconstrictor
1) Intramuscular injection
2) Intravascular injection
3) Injection into a nerve trunk
4) Allegric reaction
Oral Surgery Answer: 2

During the apicoectomy on a maxillary lateal incisor, one should take care not to perforate (or) damage the
1) Maxillary sinus
2) Labial frenum
3) Floor of the nose
4) Contents of the incisive canal
Oral Surgery Answer: 3

Which of the following is true?
1. Bleeding time is normal in aplastic anemia
2. Clotting time is prolonged in thrombo cytopenic purpura
3. Clotting time is normal in parahemo philia
4. Clotting time is normal in polycythemia vera
Oral Surgery Answer: 4

In a patient with class III facial profile one would think of which type of genioplasty 
 1. Reduction genioplasty
 2. Advancement genioplasty
 3. Straightening genioplasty
 4. None of the above
Oral Surgery Answer: 1

During the administration of an inferior alveolar nerve block which of the following muscles is usually penetrated with the needle
1) Buccinator
2) Medial pterygoid
3) Lateral pterygoid
4) Masseter
Oral Surgery Answer: 1

The following muscle is most frequently encountered in an incorrect infraorbital nerve block
1) Orbicularis oris
2) Triangularis
3) Quadratus labi superioris
4) Risorius
Oral Surgery Answer: 3

Increased incidence of reaction of LA will occur by
1) Rapid rate of injection
2) Using an aspirating technique
3) Addition of vasoconstrictor to the solution
4) None of the above
Oral Surgery Answer: 1

After the general anaesthesia, vommiting may occur. The immediate post operative complication following aspiration of liquid vomitus into trachea and bronchi is
1) Lung abscess and tuberculosis
2) Bronchitis and chemical pneumonia
3) Pleurisy and atelectasis
4) Pleurisy and empyema
Oral Surgery Answer: 2

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