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.Management Sciences
Category: Benign and Malignant Tumours of Oral Cavity
The term poikilokaryosis refers to______________?
A. Alteration of nuclear cytoplasmic ratio
B. Division of nuclei without division of cytoplasm
C. Large, Prominent nuclei
D. Loss of polarity and disorientation of cells
Neoplastic transformation in leucoplakia is seen most commonly in _____________?
A. Buccal mucosa
B. Floor of mouth
C. Lateral border of tongue
D. Palate
Increased incidence of carcinoma is observed with_______________?
A. Homogenous leukoplakia
B. Verrucous leukoplakia
C. Nodular leukoplakia
D. Ameloblastic fibroma
Among pre-malignant oral lesions ______________?
A. Leukoplakia should be proved by biopsy
B. Leukoplakia does not disappear even after cessation of smoking
C. Erythroplakia has a higher risk for malignancy than leukoplakia
D. Oral submucous fibrosis is seen in all parts of the world
Which among the following shows pesudo-epitheliometous hyperplasia_______________?
A. sq. cell carcinoma
B. Basal cell arcinoma
C. Verrucous carcinoma
D. Granular cell myoblastoma
Kaposi’s sarcoma is a tumour of_____________?
A. Blood vessels
B. Reticuloendothelial system
C. Striated muscles
D. Smooth muscles
The most common site of metastasis from the mandibular sarcoma is________________?
A. Lung
B. Liver
C. Spleen
D. Heart
Which of the following is not a type of leukoplakia______________?
A. Ulcerative
B. Bullous
C. Speckled
D. Homogenous
Brachytherapy is_____________?
A. Irradiation of tissues from a distance
B. Irradiation of tissues from a distance of 3 cm
C. Irradiation of tissues by implants within the tissues
D. Irradiation of tissues by radiopharmaceuticals
Commonest site for carcinoma of tongue is_____________?
A. Lateral margin
B. Tip of tongue
C. Posterio 1/3
D. Ventral surface
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