MDS PREP
Lichenoid reactions are mainly due to
1. Intake of certain drugs
2. Betel nut chewing
3. Cigarette smoking
4. Intake of alcohol
Oral Pathology
Answer: 1
Lichenoid reactions are mainly due to the intake of certain drugs.
The oral lesion of warty dsykeratoma is described as
1. a small whitish area of the mucosa with a central depression
2. a hyperemic papule with erosion
3. an erythematous macule with a central area of grayish desquamation
4. a white keratotic. papillary or verrucous lesion
Oral Pathology
Answer: 1
The oral lesion of warty dsykeratoma is described as a small whitish area of the mucosa with a central depression
Hairy tongue is characterised by hypertrophy of which of the following papillae
1. Foliate
2. Filiform
3. Fungiform
4. Circumvallate
Oral Pathology
Answer: 2
Hairy tongue is characterized by the hypertrophy of filiform papillae on the tongue, leading to a dark, hairy appearance.
Chronic granulocytic leukaemia is due to
1. Chromosomal deletion
2. Chromosomal mutation
3. Chromosomal translocation
4. None of the above
Oral Pathology
Answer: 3
Chronic granulocytic leukemia is due to chromosomal translocation.
Port wine stains are seen in
1. Nevus
2. Haemangioma
3. Melanoma
4. All the above
Port wine stains are seen in hemangioma.
Most radioresistant cells are
1. Lymphocytes
2. Granulocytes
3. Muscle cells
4. Connective tissue cells
Oral Pathology
Answer: 3
Muscle cells are the most radioresistant cells.
The main purpose of intensifying screens in extraoral radiographic films is
1. To increase the contrast of film
2. To increase the exposure time
3. To decrease the speed of film
4. Decrease secondary radiation to patient
Oral Pathology
Answer: 4
The main purpose of intensifying screens is to decrease secondary radiation to the patient.
Biochemical abnormality associated with osteogenesis imperfecta is increase in
1. Alkaline phosphatase
2. Acid phosphatase
3. Bicarbonate ion
4. Phosphorylase enzyme
The biochemical abnormality associated with osteogenesis imperfecta is an increase in acid phosphatase.