Free Oral Mucosal Lesions MCQs with Answers

234 Oral Mucosal Lesions MCQs from Oral Pathology and Medicine, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

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234 questions · page 10 of 12

  • A. Sublingual muosa
  • B. Lateral borders of tongue
  • C. Soft palate
  • D. Buccal mucosa

Explanation: Oral hairy leukoplakia typically appears as a non-scrapable, vertically corrugated white lesion on the lateral borders of the tongue.

Correct answer: Lateral borders of tongue
  • A. Glossopyrosis
  • B. Glossodynia
  • C. Glossitis
  • D. Glossolgia

Explanation: Glossopyrosis means a burning sensation of the tongue, from the Greek roots for tongue and burning.

Correct answer: Glossopyrosis
  • A. Inflammation of the tonge
  • B. Persistence of tuberculum impar
  • C. Hypertrophy of filiform papillae
  • D. Atrophy of filiform papillae

Explanation: The traditional developmental explanation for median rhomboid glossitis is persistence of the embryonic tuberculum impar in the midline of…

Correct answer: Persistence of tuberculum impar
  • A. Hemangioma
  • B. Lymphoma
  • C. Epulis fissuratum
  • D. Epithelioma

Explanation: A blue, soft mass that compresses and blanches indicates a blood-filled vascular lesion, most commonly a hemangioma.

Correct answer: Hemangioma
  • A. Enamel deficiency
  • B. Dentin deficiency
  • C. Chromogenic bacteria
  • D. Material alba

Explanation: Frequent green stains in children are usually extrinsic stains produced by chromogenic bacteria adhering to the cervical tooth surfaces.

Correct answer: Chromogenic bacteria
  • A. Floor of mouth
  • B. Soft palate
  • C. Buccal mucosa
  • D. Hard palate

Explanation: The hard palate is the most frequently reported intraoral site for a pigmented nevus, although the buccal mucosa can also be involved.

Correct answer: Hard palate
  • A. Denture sore mouth
  • B. Aspirin burn
  • C. Traumatic ulcer
  • D. Contact dermatitis

Explanation: Aspirin held against the mucosa causes a chemical burn, producing necrosis followed by sloughing of the superficial epithelium.

Correct answer: Aspirin burn
  • A. deposition of Ag Amalgam in Dentin
  • B. deposition of Ag Amalgam in Bone
  • C. deposition of Ag Amalgam in Mucosa
  • D. deposition of Ag Amalgam in Enamel

Explanation: A silver or amalgam tattoo occurs when metallic amalgam particles become embedded in the oral mucosa, producing a localized blue-gray or…

Correct answer: deposition of Ag Amalgam in Mucosa
  • A. Hematoma
  • B. None of the above
  • C. Hemangioma
  • D. Mucocoele

Explanation: A mucocele is a bluish, dome-shaped fluctuant swelling caused by mucus extravasation or retention, and it is common in children.

Correct answer: Mucocoele
  • A. Submandibular
  • B. Parotid
  • C. Sublingual
  • D. Minor salivary glands

Explanation: About 80% of salivary calculi occur in the submandibular gland. Its more viscous, mucin-rich saliva and the long, upward course of Wharton…

Correct answer: Submandibular
  • A. Mucocoele
  • B. Angioedema
  • C. Herpes
  • D. Fibroma

Explanation: Angioedema causes sudden, transient swelling from increased vascular permeability, often appearing within minutes to 24 hours.

Correct answer: Angioedema
  • A. 6 days
  • B. 2-6 weeks
  • C. 10-12 weeks
  • D. 18 mouths

Explanation: Infantile oral thrush commonly appears during the first few weeks of life, particularly around 2 to 6 weeks.

Correct answer: 2-6 weeks
  • A. Occurs only in elderly
  • B. Is caused by a gram -ve bacteria
  • C. Responds to nystatin
  • D. Is seen clinically as a proliferative lesion

Explanation: Thrush is oral candidiasis, a fungal infection that commonly responds to topical nystatin.

Correct answer: Responds to nystatin
  • A. Actinomyces
  • B. None of the above
  • C. Blastomyces
  • D. candida albicans

Explanation: Denture sore mouth, or denture stomatitis, is most commonly associated with Candida albicans growing beneath an ill-fitting or…

Correct answer: candida albicans
  • A. Geographic tongue
  • B. Median rhomboid glossitis
  • C. Oral thrush
  • D. Denture stomatitis

Explanation: Geographic tongue is an inflammatory, migratory depapillating condition and is not primarily a Candida infection.

Correct answer: Geographic tongue
  • A. Botryomycosis
  • B. Mucormycosis
  • C. phytomycosis
  • D. Coccidiomycosis

Explanation: Phycomycosis is an older, broad term for fungal infections caused by zygomycetes, especially mucormycosis.

Correct answer: Mucormycosis
  • A. apthous ulcer
  • B. herpetic stomatitis
  • C. candidiasis
  • D. syphilis

Explanation: An ID reaction is a distant hypersensitivity response to a fungal infection and may occur with candidiasis, producing lesions away from…

Correct answer: candidiasis
  • A. Histoplasmosis
  • B. Phycomycosis
  • C. Actinomycosis
  • D. Bleomycosis

Explanation: Darling disease is histoplasmosis, named after Samuel Darling, who identified its causative fungus.

Correct answer: Histoplasmosis
  • A. Coccidiomycosis
  • B. Mucormycosis
  • C. Aspergillosis
  • D. Histoplasmosis

Explanation: Mucormycosis is strongly angioinvasive: its broad hyphae invade vessel walls, causing thrombosis, ischemia, and tissue necrosis.

Correct answer: Mucormycosis
  • A. Cryptococcus neoformans
  • B. Aspergillosis
  • C. Mucor
  • D. Coccidioides immitis

Explanation: Mucor shows broad, non-septate hyphae with irregular or near-right-angle branching, unlike Aspergillus, which has narrow septate hyphae…

Correct answer: Mucor