861. 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
862. Sarcoma of the soft tissues spread by?
A. Blood vessels
B. Lymphatics
C. Direct invasion
D. Local infiltration
863. Squamous cell carcinoma with best prognosis is?
A. Lip
B. Tongue
C. Palate
D. Floor of the mouth
864. Acanthosis with intraepithelial vacuolation and hyperparakeratosis is seen in?
A. Hairy tongue (lingua villosa)
B. Hyperplastic candidiasis
C. Speckled leukoplakia
D. Desquamative gingivitis
865. The sign or symptom most suggestive of metastatic disease is?
A. Paraesthesia
B. Sudden swelling
C. Root resorption
D. Diffuse radiolucency
866. The oral mucosa becomes rigid, blanched and opaque in which of the following conditions?
A. Pemphigus vulgaris
B. Lupus erythematoses
C. Ehlers-Danlos syndrome
D. Submucous fibrosis
867. Oral hairy leukoplakia is seen in which of the following conditions ?
A. AIDS
B. Hepatitis B
C. Smoker’s keratitis
D. Candidiasis
868. A non-painful, slowly enlarging benign neoplasm appears as a submucosal lump and exhibits pseudoepitheliomatous hyperplasia in the overlying epithelium, is most probably?
A. Fibroma
B. Rhabdomyoma
C. Granular cell tumour
D. Papilloma
869. Commonest site for carcinoma of tongue is?
A. Lateral margin
B. Tip of tongue
C. Posterio 1/3
D. Ventral surface
870. The most reliable single histologic criterion for diagnosis of oral squamous cell carcinoma is?
A. Invasion
B. Degeneration
C. Pleomorphism
D. Encpsulation
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