881. The most common malignant tumor of the gingiva is?
A. Malignant
B. Sarcoma
C. Fibro-sarcoma
D. squamous cell carcinoma
882. The most common site of metastasis from the mandibular sarcoma is?
A. Lung
B. Liver
C. Spleen
D. Heart
883. All of the following are precancerous conditions except?
A. SLE
B. Peutz-Jeghers syndrome
C. Plummer-vinson syndrome
D. Xerodermapigmentosum
884. Oral submucous fibrosis is diagnosed by?
A. Juxta, epithelial fibrosis (changes)
B. Changes in epithelium
C. Changes in submucosa
D. All of the above
885. Presence of Verocay bodies and having predeliction for occurrence in the tongue are seen in?
A. Granular cell myoblastoma
B. Neurilemmoma
C. Neurofibroma
D. Metaplasia
886. Which of the following is most malignant ?
A. Neurolemmoma
B. Neurofibroma
C. Neurogenic fibroma
D. Traumatic neuroma
887. Which on of the following is a connective tissue tumour ?
A. Lipoma
B. Melanoma
C. Carcinoma
D. Papilloma
888. Which of the following is carcinoma of the skin spreads by local invasion and has no tendency to metastasise ?
A. Malignant melanoma
B. Basal cell carcinoma
C. Fibrosarcoma
D. Leukoplakia
889. Ressell’s bodies are found in?
A. Activated macrophages
B. Histiocytes
C. Plasma cells
D. Erythrocytes
890. Sunlight is one of the etiological causes of?
A. Squamous cell carcinoma
B. Malignant melanoma
C. Basal cell arinoma
D. Port-wine stain
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