MDS PREP
Radiation energy acts as carcinogenic agent by:
1. Chromosomal breakdown
2. Translocations
3. Point mutations
4. All of the above
Pathology
Answer: 4
Widely accepted theory of dental caries
1) Proteolytic theory
2) Proteolytic chelation theory
3) Acidogenic theory
4) Autoimmune theory
Oral Pathology
Answer: 3
The usual radiographic appearance of an osteosarcoma is a
1. Discrete radiolucency with regular borders
2. Multicystic radiolucency with a soap-bubble appearance
3. Cotton wool appearance with an irregular peripheral border
4. Sunburst pattern with radiopaque strands extending from the cortical plates
Oral Pathology
Answer: 4
Lack of response of any level in a pulp vitality test can be used to differentiated between a
1. Cementoma and a periapical granuloma
2. Cementoma and an incisive canal cyst
3. Globulomaxillary cyst and a traumatic bone cyst
4. None of the above
Oral Pathology
Answer: 1
Prolonged administration of broad spectrum antibiotics results in the formation of
1) Black hairy tongue
2) Decrease exposure time
3) Geographic tongue
4) Fissured tongue
Oral Pathology
Answer: 1
Median rhomboid glossitis is associated with
1. Burning mouth syndrome
2. Fungal infection
3. Bacterial infection
4. Absence of filiform papillae
Oral Pathology
Answer: 4
Oral manifestations of sickle cell anemia include
1. widening of the periodontal ligament spaces
2. loss of trabeculation of the jaw bones with large irregular marrow spaces
3. increased density of the lamina dura
4. all of the above
Oral Pathology
Answer: 2
Initiation of dental caries depends upon
1. Formation of large amount of acid
2. Availability of carbohydrate food
3. Viscosity of saliva
4. Localization of acid over tooth surface