Free Oral Manifestations of Systemic Disease MCQs with Answers
309 Oral Manifestations of Systemic Disease 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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309 questions · page 16 of 16
- A. 6 weeks
- B. 9 weeks
- C. 13 weeks
- D. 1 weeks
Explanation: Secondary syphilis usually develops about 6 weeks after the primary chancre, although the interval can vary with healing and host factors.
Correct answer: 6 weeks- A. Clostridium Tetani
- B. Streptococci
- C. Diphtheria
- D. Staphylococci
Explanation: Clostridium tetani produces a neurotoxin that causes sustained muscle rigidity and spasms, with masseter spasm producing the classic…
Correct answer: Clostridium Tetani- A. Primary stage of syphilis
- B. Secondary stage of syphilis
- C. Tertiary stage of syphilis
- D. Primary tuberculosis
Explanation: A gumma is a granulomatous destructive lesion of late syphilis and therefore belongs to the tertiary stage.
Correct answer: Tertiary stage of syphilis- 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
Explanation: Hutchinson's triad of congenital syphilis consists of Hutchinson incisors and abnormal first molars, interstitial keratitis, and…
Correct answer: Hypoplasia of incisor and molar, VIII nerve deafness and interstitial keratitis- A. Hyaline degeneration
- B. Central caseation
- C. Giant cells in the center
- D. Presence of epithelioid cells
Explanation: Tuberculous oral lesions show caseating granulomas containing epithelioid cells and Langhans-type giant cells.
Correct answer: Hyaline degeneration- A. Trigeminal neuraligia
- B. Tetanus
- C. Tuberculous meningitis
- D. Rabies
Explanation: Tetanus causes painful generalized muscle rigidity and masseter spasm, producing trismus or lockjaw.
Correct answer: Tetanus- A. Measles
- B. Mumps
- C. Tetanus
- D. Scarlet fever
Explanation: Tetanus is infectious but is not transmitted directly from person to person; infection follows contamination of a wound with Clostridium…
Correct answer: Tetanus- A. Tetany
- B. Actinomycosis
- C. Leprosy
- D. Tetanus
Explanation: Risus sardonicus is the fixed, grimacing facial expression caused by spasms of facial muscles in tetanus.
Correct answer: Tetanus- A. Ghon complex
- B. Interstitial keratitis
- C. Mulberry molars
- D. Notched incisors
Explanation: Ghon complex is a primary pulmonary tuberculosis lesion, not a feature of congenital syphilis.
Correct answer: Ghon complex