MDS PREP
Melanoma is
1. Benign tumour of skin and mucous membrane
2. Malignant tumour of skin and mucous membrane
3. Malignant tumour of melanophores
4. Benign tumour of melanophores
Oral Pathology
Answer: 2
Maxillary anterior teeth will produce pleasing effect when
1. Placed directly on the ridge
2. Placed facial to the ridge
3. Placed lingual to the ridge
4. None of the above
Prosthodontics
Answer: 2
Caries vaccine works by all the following except
1) Strep. fecalis takes the place occupied by Strep. mutans
2) Strep. mutans binds to the antibodies
3) New flora is established
4) None of the above
Community Dentistry
Answer: 3
Crohn's disease is characterized by which of the following features during a colonoscopy?
1) Cobblestone appearance of the mucosa
2) Strictures and skip lesions
3) Longitudinal ulcers and creeping fat
4) All of the above
Crohn's disease typically presents with a cobblestone appearance of the mucosa due to the alternating involvement of diseased and healthy mucosal segments, strictures and skip lesions due to transmural inflammation affecting all layers of the bowel wall, and creeping fat, which is mesenteric fat wrapping around the bowel surface.