All Free Oral Pathology and Medicine MCQs with Answers

• 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…

• A. Fibroma
• B. Granular cell tumour
• C. Rhabdomyoma
• D. Papilloma

Explanation: A granular cell tumour is a slow-growing, painless submucosal nodule that commonly occurs on the tongue and often produces…

• A. Developmental anomaly of the tongue
• B. Malignant tumor of the tongue
• C. Lymphatic enlargement of the tongue
• D. Benign tumor

Explanation: Granular cell myoblastoma, now called granular cell tumour, is usually a benign neural tumour and has a predilection for the tongue.

• A. Leukoedema
• B. Syphilitic glossitis
• C. Erosive lichen planus
• D. Leukoplakia

Explanation: Leukoedema is a benign variation of the oral mucosa and is not regarded as premalignant.

• A. Junctional nevus
• B. Intradermal nevus
• C. Lichen planus
• D. Papilloma

Explanation: A junctional nevus lies at the epidermal-dermal junction and has a greater association with malignant melanoma than an intradermal nevus.

• A. Koplik's spots
• B. Nikolsky's sign
• C. Fever and malaise
• D. Muculo papular skin rash

Explanation: Measles produces fever, malaise, a maculopapular rash and Koplik spots on the oral mucosa.

• A. Bell's palsy
• B. Acoustic neuroma
• C. Ramsay Hunt syndrome
• D. Diphtheria

Explanation: Ramsay Hunt syndrome is reactivation of varicella-zoster virus in the geniculate ganglion, causing severe ear pain, vesicles in the ear or…

• A. Herpes simplex
• B. Herpangina
• C. Measles
• D. Chicken pox

Explanation: Herpes zoster and chickenpox are caused by the same virus, varicella-zoster virus.

• A. Erythema multiformae
• B. Herpes zoster
• C. Herpetic gingivo stomatis
• D. Recurrent aphthous

Explanation: Herpes zoster produces recurrent, painful vesicular or erythematous lesions along the distribution of a sensory nerve, usually…

• A. Smear stained with Giemsa stain
• B. Smear stained with Wrist's stain
• C. Flurorescent staining of cytology smear
• D. Routing cytology

Explanation: Fluorescent staining of a cytology smear can detect herpesvirus-infected cells and is more specific than routine cytology alone.

• A. infectious mononucleosis
• B. Chicken pox
• C. Recurrent herpes simplex infection
• D. Herpes zoster

Explanation: Unilateral vesicles arranged in a dermatomal distribution with severe pain are characteristic of herpes zoster.

• A. occur in children and young adults
• B. occur only in young children
• C. occur in only adults
• D. All of the above

Explanation: Acute herpetic gingivostomatitis occurs most often in children but can also affect young adults, especially during primary herpes simplex…

• A. Primary infection
• B. is unilateral
• C. occurs on movable tissues
• D. is bilatral

Explanation: Shingles is reactivation of varicella-zoster virus in a sensory ganglion, so it typically affects one side and follows a unilateral…

• A. Coxsackie virus infection
• B. Erythema multiforme
• C. Recurrent apthous stomatitis
• D. Herpes simplex virus infection

Explanation: HSV-infected epithelial cells show ballooning degeneration, nuclear molding, multinucleation and fusion into syncytia, producing the…

• A. None of the above
• B. Herpes zoster virus
• C. Coxsackie virus
• D. Varicella Zoster virus

Explanation: Herpetiform vesicles that ulcerate superficially are classically associated with herpes simplex, but HSV is not listed among the options.