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 12 of 12
- A. Recurrent herpetiform ulcers
- B. Recurrent aphthous minor
- C. Recurrent aphthous major
- D. Acute herpetic gingivostomatitis
Explanation: Recurrent aphthous major ulcers are deep, persist for several weeks, and commonly heal with scarring.
Correct answer: Recurrent aphthous major- A. Sarcoidosis
- B. Histoplasmosis
- C. Candidiasis
- D. Behcet's disease
Explanation: A positive pathergy test, in which minor trauma produces a papule or pustule, is a classic feature of Behçet’s disease.
Correct answer: Behcet's disease- A. symptoms are similar
- B. life long immunity results
- C. vesicles occur with both diseases
- D. intranuclear inclusion bodies are present
Explanation: Recurrent aphthae and recurrent herpes can both produce repeated painful oral ulcerative episodes, making their symptoms clinically…
Correct answer: symptoms are similar- A. Biopsy
- B. Blood studies
- C. Bacterial smear
- D. Blood chemistry
Explanation: Lupus vulgaris is a chronic form of cutaneous or mucosal tuberculosis, and biopsy can demonstrate the characteristic granulomatous…
Correct answer: Biopsy- A. Recurrent herpetic gingivitis
- B. Recurrent apthous ulcer
- C. Acute necrotizing ulcerative gingivitis
- D. Recurrent herpes labialis
Explanation: A canker sore is the common name for a recurrent aphthous ulcer, usually a painful, shallow ulcer on non-keratinised oral mucosa.
Correct answer: Recurrent apthous ulcer- A. Condylomata lata
- B. Mucous patches
- C. lupus vulgaris
- D. Lues maligna
Explanation: Lues maligna is a severe, explosive form of secondary syphilis associated particularly with immunocompromised patients.
Correct answer: Lues maligna- A. Syphilis
- B. Tuberculosis
- C. Histoplasmosis
- D. Actinomycosis
Explanation: A painless, slowly progressive or burrowing oral ulcer, particularly a syphilitic chancre or gumma, points toward syphilis.
Correct answer: Syphilis- A. Fungal
- B. Bacterial
- C. Viral
- D. Parasitic
Explanation: Despite its fungus-like name, botryomycosis is a chronic bacterial infection, commonly caused by Staphylococcus aureus.
Correct answer: Bacterial- A. pyogenic granuloma
- B. fibrous dysplasia
- C. ancrum oris
- D. vincent's disease
Explanation: Noma, also called cancrum oris, is a rapidly destructive gangrenous infection of the orofacial tissues, usually in severely malnourished…
Correct answer: ancrum oris- A. Chancre
- B. Mucous patch
- C. Gumma
- D. Syphilitic glossitis
Explanation: Syphilitic glossitis is a late, destructive manifestation of syphilis that can undergo malignant transformation, particularly to squamous…
Correct answer: Syphilitic glossitis- A. Streptococcus sangius
- B. Streptococcus mutans
- C. Borellia vincentii
- D. Staphylococci albus
Explanation: Streptococcus sanguis, now usually called Streptococcus sanguinis, has historically been implicated in recurrent aphthous stomatitis.
Correct answer: Streptococcus sangius- A. ANUG
- B. Secondary stage of syphilis
- C. Diphtheritic lesion
- D. Desquamative gingivitis
Explanation: Diphtheria produces a thick gray pseudomembrane that is firmly adherent, so attempted removal is painful and may cause bleeding.
Correct answer: Diphtheritic lesion- A. Candida albicans
- B. Histoplasma capsulatum
- C. Nocarda braziliances
- D. Actinomyces israelii
Explanation: Sulfur granules are yellow colonies of Actinomyces, classically Actinomyces israelii, within draining pus.
Correct answer: Actinomyces israelii- A. Trepenoma pallidium
- B. Actinomycosis
- C. Mycobacterium tuberulosis
- D. Streptococcus
Explanation: Leutic glossitis is a late oral manifestation of syphilis caused by Treponema pallidum.
Correct answer: Trepenoma pallidium