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: Desquamative gingivitis is commonly seen in
A) Erythema multiforme
B) Leukoplakia
C) Lichen planus
D) Chronic periodontitis
โœ… Correct Answer: C
Explanation: Lichen planus, mucous membrane pemphigoid, and pemphigus vulgaris can all present with desquamative gingivitis.
Q: Fibroma of the oral mucosa is typically caused by
A) Chronic irritation
B) Hereditary factors
C) Viral infection
D) Autoimmune reaction
โœ… Correct Answer: A
Explanation: Fibromas are reactive lesions due to chronic mechanical irritation, not true neoplasms.
Q: Plasma cells in multiple myeloma secrete
A) Calcitonin
B) Collagen
C) Immunoglobulins
D) Prostaglandins
โœ… Correct Answer: C
Explanation: Multiple myeloma involves malignant plasma cells producing excessive amounts of monoclonal immunoglobulins.
Q: Lips appear dry and fissured in deficiency of
A) Vitamin A
B) Vitamin B2
C) Vitamin D
D) Vitamin B1
โœ… Correct Answer: B
Explanation: Riboflavin (B2) deficiency leads to angular cheilitis, glossitis, and fissured lips.
Q: Moth-eaten radiolucency in the jaw is commonly seen in
A) Stafne defect
B) Fibrous dysplasia
C) Odontoma
D) Langerhans cell histiocytosis
โœ… Correct Answer: D
Explanation: Langerhans cell histiocytosis often presents with punched-out or moth-eaten radiolucent bone lesions.