Free Oral Mucosal Lesions MCQs with Answers

• A. Leukoplakia
• B. Focal hyperkeratosis
• C. Typhoid
• D. Leukoedema

Explanation: Leukoedema is an opalescent white change caused by intracellular epithelial fluid, so stretching the mucosa spreads the cells and makes…

• A. Pemphigus
• B. Junctional nevus
• C. Apthous ulcer
• D. Erythema multiformae

Explanation: The Abtropfung, or ‘dropping off,’ phenomenon describes nevus cells extending downward from the epidermal or epithelial junction into…

• A. Lipoma
• B. fibroma
• C. Papilloma
• D. Torus

Explanation: A squamous papilloma is an exophytic epithelial growth with finger-like projections, giving it a warty or cauliflower-like surface.

• A. Never tissue
• B. Smooth muscle
• C. Vascular endothelium
• D. Striated muscle

Explanation: Rhabdomyoma is a benign tumour of skeletal, or striated, muscle. Smooth muscle gives rise to leiomyoma, while vascular endothelium gives…

• A. Pyogenic granuloma
• B. Neurofibroma
• C. Nevus
• D. Angiosarcoma

Explanation: Inflammation in a capillary hemangioma can produce a red, lobulated, bleeding lesion that closely resembles a pyogenic granuloma.

• A. Dental pulp
• B. Cavernous Hemangiomas
• C. Salivary Gland duct
• D. Subepithelial Bulla

Explanation: Phleboliths are calcified thrombi formed within slow-flowing venous channels and are characteristic of cavernous hemangiomas or venous…

• A. Lichen Planus
• B. Discoid lupus Erythematosus
• C. Leukoplakia
• D. All of the above

Explanation: Leukoplakia is a clinical diagnosis of exclusion with established potential for epithelial dysplasia and malignant transformation.

• A. EBV=
• B. HSV
• C. HPV=
• D. CMV

Explanation: Squamous papilloma is a benign epithelial proliferation caused by human papillomavirus, especially low-risk HPV types 6 and 11.

• A. Papilloma
• B. Epulis
• C. Adenoma
• D. Fibroma

Explanation: Fibroma, particularly the common irritation fibroma, is generally regarded as the most common benign neoplasm-like growth in the oral…

• A. Multinuclear giant cells
• B. Mass of granulation tissue
• C. Keliod like enlargement
• D. Epithelium is atrophic in some areas

Explanation: The defining microscopic feature of peripheral giant cell granuloma is a proliferation of multinucleated giant cells in a cellular…

• A. Cerebral tissue
• B. striated muscle
• C. smooth muscle
• D. cardiac muscle

Explanation: Leiomyoma is a benign neoplasm of smooth muscle, although it is uncommon in the oral cavity because smooth muscle is limited there.

• A. Juxta, epithelial fibrosis (changes)
• B. Changes in epithelium
• C. Changes in submucosa
• D. All of the above

Explanation: Oral submucous fibrosis involves juxtaepithelial hyalinization or fibrosis, epithelial changes such as atrophy, and progressive fibrosis…

• A. Neurilemmoma
• B. Granular cell myoblastoma
• C. Neurofibroma
• D. Metaplasia

Explanation: Verocay bodies are nuclear palisades separated by acellular areas, a characteristic feature of neurilemmoma (schwannoma).

• A. Melanoma
• B. Lipoma
• C. Carcinoma
• D. Papilloma

Explanation: Lipoma is a benign mesenchymal tumour composed of mature adipose connective tissue.

• A. Activated macrophages
• B. Histiocytes
• C. Plasma cells
• D. Erythrocytes

Explanation: Russell bodies are rounded eosinophilic accumulations of immunoglobulin within plasma cells, reflecting excessive immunoglobulin…

• A. Granular cell myoblastoma
• B. Basal cell arcinoma
• C. Verrucous carcinoma
• D. sq. cell carcinoma

Explanation: Granular cell tumour commonly produces pseudoepitheliomatous hyperplasia of the overlying squamous epithelium, which can mimic squamous…

• A. angle of mouth
• B. cheek mucosa
• C. Soft palate
• D. Gingiva

Explanation: The buccal or cheek mucosa is the most frequent site of oral leukoplakia, commonly related to chronic irritants such as tobacco and local…

• A. Hemangioma
• B. Ewings tumour
• C. Glomous tumour
• D. Plasmacytoma

Explanation: Hemangiopericytoma is a perivascular tumour whose histologic appearance can resemble a glomus tumour because both show tumour cells…

• A. Hairy tongue (lingua villosa)
• B. Hyperplastic candidiasis
• C. Desquamative gingivitis
• D. Speckled leukoplakia

Explanation: Speckled leukoplakia shows epithelial hyperplasia or acanthosis, hyperparakeratosis and areas of epithelial vacuolation or atypia, often…

• A. Submucous fibrosis
• B. Lupus erythematoses
• C. Ehlers-Danlos syndrome
• D. Pemphigus vulgaris

Explanation: Submucous fibrosis causes dense collagen deposition in the oral tissues, producing a stiff, blanched and opaque mucosa with restricted…