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NEETMDS- Oral Surgery mcq
MDS PREP
Extraction of a tooth during acute infection
1) Can cause extensive spread of infection
2) Helps drainage and relieves pain if proper antibiotic is given and its adequate
3) Can cause sudden death due to pulmonary embolism
4) None of the above
Oral Surgery Answer: 2

A nasal antrostomy following a Caldwell Luc operation is created in the
1. superior meatus of nose
2. inferior meatus of nose
3. canine fossa
4. incisive foramen
Oral Surgery Answer: 2

Raised intracranial pressure following a maxillofacial injury
1) Is a normal finding
2) Is typically associated with an increase in the heart rate
3) Is typically associated with an increase in the blood pressure
4) Usually subsides spontaneously
Oral Surgery Answer: 3

Raised intracranial pressure following a maxillofacial injury is typically associated with an increase in blood pressure, indicating potential brain injury.

Which of the following is not a theory for local anaesthetic action
1) Membrane expansion theory
2) Calcium displacement theory
3) Electrical potential theory
4) None of the above
Oral Surgery Answer: 4

After the extraction of maxillary first molar, a communication is found between the palatel socket and a disease free maxillary sinus which measures 0.2 cm. The best treatment is
1) Allow the clot to form, advise proper home care
2) Primary closure and antihistamine
3) Gold foil closure
4) Caldwell-Luc operation
Oral Surgery Answer: 1

A patient who suffered a myocardial infraction 3 months previously and on anticoagulant therapy, requires full mouth extractions. The dentist should
1. simply extract the teeth under local anesthesia
2. hospitalize the patient, control prothrombin time and extract the teeth under local anesthesia
3. hospitalize the patient and perform the extractions under general anesthesia
4. delay the extractions until after 6 months of the myocardial infarction
Oral Surgery Answer: 4

The role of sodium metabsulfite in Local anaesthetic agent is:

1. Preservative.
2. Fungicide.
3. Reducing agent.
4. Vaso constrictior
Oral Surgery Answer: 2

Which of the following medications is required preoperatively for a patient with mitral valve replacement 
 1. Ampicillin
 2. Cloxacillin
 3. Benzathine pencillin
 4. Procaine pencillin
Oral Surgery Answer: 4

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