A. Fibrosarcoma
B. Malignant fibrous histiocytoma
C. Neurofibroma
D. Ameloblastic fibroma
# Increased incidence of carcinoma is observed with :
A. Homogeneous leukoplakia
B. Verrucuous leukoplakia
C. Nodular leukoplakia
D. None of the above
# Persons with the greatest risk of oral cancer:
A. Have a poor oro-dental hygiene, nutritional deficiencies and are chronic alcoholics
B. Are middle aged, have a poor oro-dental hygiene and regularly use tobacco
C. Are old, chronic alcoholics and regularly use tobacco
D. Are young, have poor oro-dental hygiene and are heavy smokers
# Which among the following shows pseudoepitheliomatous hyperplasia ?
A. Squamous cell carcinoma
B. Basal cell carcinoma
C. Verrucous carcinoma
D. Granular cell myoblastoma
# The most common bone cancer is :
A. Osteosarcoma
B. Metastatic bone cancer
C. Multiple myeloma
D. Squamous cell carcinoma
# Which of the following is untrue about malignant melanoma ?
A. Occurs with equal frequency in both sexes
B. Rare in children
C. Palate is the most common intra oral site
D. is very painful
# Which of the following is a reactive lesion of the gingiva that may demonstrate bone radiographically and often even microscopically ?
A. Osteoma
B. Peripheral ossifying fibroma
C. Traumatic neuroma
D. Irritation fibroma
# Sunlight is one of the etiological causes of :
A. Squamous cell carcinoma
B. Malignant melanoma
C. Basal cell carcinoma
D. Port-wine stain
# White rough pedunculated lesion on the palate is most likely :
A. Pleomorphic adenoma
B. Papilloma
C. Nevus
D. Fibroma
# Russel's bodies are found in :
A. Activated macrophages
B. Histiocytes
C. Plasma cells
D. Erythrocytes
# Hodgkin's disease is considered to be :
A. Follicular reticulosis
B. Inflammatory disease
C. Chronic granulomatous disease
D. A malignant neoplasm
# Which of the following is carcinoma of the skin, spreads by local invasion and has no tendency to metastasize ?
A. Malignant melanoma
B. Basal cell carcinoma
C. Fibrosarcoma
D. Leukoplakia
# A man who had suffered from displaced fracture of mandible complains of pain in old fracture site near mental foramen. There is a movable tender mass on palpation in the area. The best preoperative diagnosis is :
A. Neuroleiomyoma
B. Neurofibroma
C. Trigeminal neuralgia
D. Traumatic neuroma
# Which one of the following is a connective tissue tumor ?
A. Lipoma
B. Melanoma
C. Carcinoma
D. Papilloma
# Etiology of multiple neurofibromatosis is :
A. Genetic
B. Viral
C. Injury
D. Endocrine
# Which of the following is the most malignant?
A. Neurolemmoma
B. Neurofibroma
C. Neurogenic fibroma
D. Traumatic neuroma
# Most common route of metastasis of oral cancer is by :
A. Direct extension
B. Lymphatics
C. Blood vessels
D. Aspiration of tumor cells
# Presence of Verocay bodies and having predilection for occurrence in the tongue are seen in :
A. Granular cell myoblastoma
B. Neurilemmoma
C. Neurofibroma
D. Metaplasia
# Presence of epithelial pearls in spinous layer of epithelium is characteristic of :
A. Carcinoma
B. Pre-cancer
C. Dysplasia
D. Metaplasia
# Oral submucous fibrosis is diagnosed by :
A. Juxta epithelial fibrosis (changes)
B. Changes in epithelium
C. Changes in submucosa
D. All of the above
# Best results are obtained in oral submucous fibrosis by:
A. Intralesional cortisone therapy , with hyaluronic acid
B. Oral cortisone with intralesional therapy (cortisone)
C. Vitamin E and oral cortisone
D. Intralesional placental extract