Oral Pathology MCQs
Oral Pathology MCQs cover the diseases affecting the oral cavity, including tumors, precancerous conditions, cysts, and inflammatory diseases. These quizzes help students of BDS and MDCAT assess their ability to diagnose and understand oral conditions and prepare for clinical scenarios.
Q: A ranula is a type of
A) Mucocele in the floor of mouth
B) Cyst in the parotid gland
C) Cyst in the maxilla
D) Gingival cyst
✅ Correct Answer: A
Explanation: Ranula is a mucocele specifically located in the floor of the mouth, usually from the sublingual gland.
Q: Tzanck cells are observed in
A) Pemphigus vulgaris
B) Lichen planus
C) Leukoplakia
D) Erythroplakia
✅ Correct Answer: A
Explanation: Tzanck cells are acantholytic epithelial cells seen in smears of vesicular lesions like pemphigus vulgaris.
Q: Café-au-lait spots are associated with
A) Neurofibromatosis
B) Cushing’s syndrome
C) Addison’s disease
D) Peutz-Jeghers syndrome
✅ Correct Answer: A
Explanation: Café-au-lait pigmentation is a hallmark of neurofibromatosis type I.
Q: The most radiosensitive oral tissue is the
A) Salivary gland
B) Enamel
C) Bone
D) Dentin
✅ Correct Answer: A
Explanation: Salivary glands are highly radiosensitive and prone to damage during radiotherapy, leading to xerostomia.
Q: Papilloma of the oral cavity is most often caused by
A) Herpes zoster virus
B) Human papillomavirus
C) Epstein-Barr virus
D) Cytomegalovirus
✅ Correct Answer: B
Explanation: HPV, particularly types 6 and 11, are linked to squamous papillomas in the oral mucosa.
Q: Bullae formation is typical in
A) Pemphigus vulgaris
B) Lichen planus
C) Chronic hyperplastic candidiasis
D) Oral lichen planus
✅ Correct Answer: A
Explanation: Pemphigus vulgaris is an autoimmune condition marked by intraepithelial blistering and fragile bullae.
Q: Strawberry gingivitis is commonly observed in
A) Pemphigoid
B) Wegener's granulomatosis
C) Sarcoidosis
D) Erythema multiforme
✅ Correct Answer: B
Explanation: Strawberry gingivitis is a characteristic early manifestation of Wegener’s granulomatosis.
Q: Congenital epulis is found most commonly on
A) Lower lip
B) Buccal mucosa
C) Maxillary alveolar ridge
D) Tongue
✅ Correct Answer: C
Explanation: Congenital epulis typically appears as a mass on the anterior maxillary alveolar ridge in newborns.
Q: Keratin pearls are a classic feature of
A) Ameloblastoma
B) Benign fibroma
C) Squamous cell carcinoma
D) Mucoepidermoid carcinoma
✅ Correct Answer: C
Explanation: Keratin pearls are concentric layers of keratin found within nests of malignant squamous cells.
Q: An oral lesion that blanches on pressure is most likely a
A) Hemangioma
B) Papilloma
C) Fibroma
D) Melanotic macule
✅ Correct Answer: A
Explanation: Hemangiomas are vascular lesions that blanch under pressure due to their blood-filled nature.