MCQs on Vesiculobullous Lesions of the Oral Cavity Test Your Knowledge in Oral & Maxillofacial Pathology Vesiculobullous diseases are an important group of disorders encountered in oral pathology. They are characterized by the formation of vesicles or bullae , which may rupture rapidly in the oral cavity and present clinically as painful erosions or ulcers. The differential diagnosis includes viral infections, autoimmune blistering diseases, hypersensitivity reactions, and inherited disorders . This MCQ quiz is designed to help dental students revise the important clinical, histopathological, and immunopathological features of vesiculobullous lesions. MCQ 1 Which of the following is a vesicle ? A. A fluid-filled lesion larger than 5 mm B. A fluid-filled lesion smaller than 5 mm C. A solid elevated lesion D. A lesion containing pus Answer: B. A fluid-filled lesion smaller than 5 mm MCQ 2 A bulla is defined as: A. A fluid-filled lesion less than 1 mm B. A fluid-filled lesion l...