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NEETMDS- Oral Surgery mcq
MDS PREP
Among the following where one might see "Bucket handle" displacement of fracture segments which may produce respiratory obstruction
1) Bilateral mandibular body in 60 year-old-distal to premolar region
2) Isolated nasal bone fracture in a 35-year-old female who is pregnant
3) Both of the above
4) None of the above
Oral Surgery Answer: 1

Bucket handle displacement of fracture segments can occur in bilateral mandibular body fractures, potentially leading to respiratory obstruction.

A 45-year-old man who is on dicoumoral therapy requires a tooth extraction. His medical history indicated myocardial infarction two years ago. This patient is receiving anticoagulant drugs. The dentist should 
 1. Never operate on this patient
 2. To avoid postoperative haemorrhage advice vitamin K
 3. Perform surgery if prothrombin time is 18 seconds
 4. None of the above
Oral Surgery Answer: 3

Nasopharyngeal angiofibroma occurs almost exclusively in
 1. adolescent males
 2. young females
 3. infants
 4. males past 60 years of age
 
Oral Surgery Answer: 1

Ecchymosis in the post auricular region over the mastoid process is called as 
 1. Battle"s sign
 2. Murphy"s sign
 3. Guerin"s sign
 4. None of the above
Oral Surgery Answer: 2

After reduction of a mandibular dislocation that occured for the first time, treatment should be to
1) Inject sclerosing solution into the joint, so further dislocation is less likely
2) Inject corticosteroids into the joint which reduces the inflammation
3) Immobilize with IMF for 5-6 weeks
4) Advise the patient to limit opening of the mouth for 2-3 weeks
Oral Surgery Answer: 4

Which muscle should be detached to lower the floor of the mouth
1) Mylohyoid
2) Geniohyoid
3) Genioglossus
4) Both A and C
Oral Surgery Answer: 4

An absolute contraindication for extraction of teeth is 
 1. Hypertension
 2. Myocardial infarction
 3. Thyrotoxicosis
 4. Central hemangioma
Oral Surgery Answer: 4

The treatment of choice for traumatic bone cyst is
1) Marsupialization and leaving the cyst lining
2) Opening the cavity and inducing bleeding
3) Enucleation of the cyst lining
4) Packing with BIPP and prevent bleeding and clot formation
Oral Surgery Answer: 2

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