MDS PREP
In which conditions Nitrogen oxide-Oxygen sedation is contraindicated?
1) Emphysema
2) Upper respiratory obstruction
3) Emotional instability
4) All of the above
Oral Surgery
Answer: 4
When suturing skin incisions in the facial region, the edges are kept
1. everted
2. overlapped
3. edge to edge
4. inverted
Oral Surgery
Answer: 1
Toxicity of local anaesthesia is reserved by
1) IV epinerphrine
2) IV nalorphine
3) IV barbiturates
4) IV sodium bicarbonate
Oral Surgery
Answer: 3
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
Oral Surgery
Answer: 1
Which of the following anatomical spaces may become involved by direct extension of an infection from a lower
third molar?
1. Submandibular space
2. Space above the mylohyoid muscle
3. Pterygomandibular space
4. All of the above
Oral Surgery
Answer: 4
The proximal segment of mandible angle fracture usually displaced in which direction
1) Anterior and superior
2) Posterior and interior
3) Interior only
4) Posterior and superior
Oral Surgery
Answer: 1
The proximal segment of a mandible angle fracture is usually displaced anterior and superior due to muscle pull.