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: The most common site of a mucocele is the
A) Tongue
B) Upper lip
C) Lower lip
D) Buccal mucosa
✅ Correct Answer: C
Explanation: Mucoceles frequently occur on the lower lip due to trauma to minor salivary glands, leading to mucus extravasation.
Q: Perineural invasion is a feature often associated with
A) Mucocele
B) Adenoid cystic carcinoma
C) Hemangioma
D) Pleomorphic adenoma
✅ Correct Answer: B
Explanation: Adenoid cystic carcinoma tends to invade nerves, contributing to pain and poor prognosis.
Q: A painless, slow-growing bluish lesion on the floor of the mouth is likely a
A) Ranula
B) Dermoid cyst
C) Hemangioma
D) Mucocele
✅ Correct Answer: A
Explanation: Ranulas are mucoceles of the sublingual gland presenting as bluish swellings in the floor of the mouth.
Q: Onion-skin pattern around bone cortex is typically seen in
A) Osteosarcoma
B) Osteomyelitis
C) Chondrosarcoma
D) Ewing’s sarcoma
✅ Correct Answer: D
Explanation: Ewing’s sarcoma presents radiographically with layers of periosteal bone deposition resembling an onion-skin appearance.
Q: Actinomycosis in the jaw is most frequently associated with
A) Staphylococcus aureus
B) Candida albicans
C) Streptococcus mutans
D) Actinomyces israelii
✅ Correct Answer: D
Explanation: Actinomycosis is a chronic granulomatous infection caused by Actinomyces israelii, often following trauma or tooth extraction.