Oral Surgery NEET MDS Practice Test

1

Oral Surgery

How much time should be taken to inject 2 ml of an anesthetic solution in the tissues?
1. 20 seconds
2. 1 minute
3. 4 minutes
4. 10 minutes

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

Injecting local anesthetic solution slowly helps to minimize discomfort for the patient and reduces the risk of systemic toxicity. A common guideline for a volume of 1.8 ml or 2 ml is to inject it over at least 60 seconds (1 minute), or even longer.

2

Oral Surgery

A patient has episodes of sharp, excruciating pain, localized in the left canine region, simply touching the area brings on the pain and none of the teeth diseased. The most likely diagnosis
1. trigeminal neuralgia
2. myofascial pain dysfunction syndrome
3. Bell�s palsy
4. sphenopalatine neuralgia

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

The symptoms described�sharp, excruciating pain brought on by simple touch (trigger points) in the absence of dental disease�are classic characteristics of trigeminal neuralgia. T

3

Oral Surgery

When the mandible is fractured in the canine region, both on the right and left sides, the fractured segment is displaced posteriorly by the pull of the
1. masseter, medial pterygoid and mylohycid muscles
2. buccinator, mylohyoid and genioglossus muscles
3. geniohyoid, thyroglossus and mentalis muscles
4. geniohyoid, genioglossus and anterior belly of digastric muscles

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

When the mandible is fractured bilaterally in the canine region, the central fractured segment loses the anterior pull from the muscles attached to it. The geniohyoid, genioglossus, and anterior belly of the digastric muscles are all attached to this segment and pull it posteriorly and inferiorly.

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