501. A case presenting with a gray coloured pseudomembrane whose removal is difficult and painful, can be___________?
A. ANUG
B. Diphtheritic lesion
C. Secondary stage of syphilis
D. Desquamative gingivitis

502. Sulfur granules in pus are seen in______________?
A. Candida albicans
B. Actinomyces israelii
C. Nocarda braziliances
D. Histoplasma capsulatum

503. Leutic glossitis is an intra-oral manifestation caused by_____________?
A. Mycobacterium tuberulosis
B. Actinomycosis
C. Trepenoma pallidium
D. Streptococcus

504. Which of the following is Not characteristic of congenital Syphilis ?
A. Ghon complex
B. Interstitial keratitis
C. Mulberry molars
D. Notched incisors

505. Clinical features of which of the following include conjunctivitis, urethritis muco-cutaneous lesions and arthritis ?
A. Behcet’s syndrome
B. Hodgkin’s disease
C. Grinspan syndrome
D. Ehler Danlos syndrome

506. Actinomycosis is a________________?
A. Bacterial infection
B. Fungal infection
C. Viral infection
D. Parasitic infection

507. Gumma occurs in______________?
A. Primary stage of syphilis
B. Secondary stage of syphilis
C. Tertiary stage of syphilis
D. Primary tuberculosis

508. Hutchinson’s triad includes______________?
A. hypoplasia of incisor and molar, VIII nerve motor paralysis and peg laterals.
B. Hypoplasia of incisor and molar, V nerve motor paralysis interstitial keratitis
C. Hypoplasia of incisor and molar, VIII nerve deafness and interstitial keratitis
D. None of the above

509. Lesions of oral tuberculosis are associated with all the following except_______________?
A. Central caseation
B. Hyaline degeneration
C. Giant cells in the center
D. Presence of epithelioid cells

510. Spasm of masseter muscles occur in______________?
A. Tetanus
B. Trigeminal neuraligia
C. Tuberculous meningitis
D. Rabies

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