BACTERIAL ,VIRAL AND MYCOTIC INFECTIONS Online Test

1. Scarlet fever predominantly affects:


2. Scarlatina is caused by


3. The entry of Streptococcus pyogenes into humans is through


4. Which of the following is true regarding the rashes of scarlet fever?


5. Stomatitis scarlatina, the chief oral manifestation of scarlet fever commonly involves the mucosa of


6. In the early course of scarlet fever, the tongue is best described as:


7. The bacterial infection that is characterized by local inflammation and formation of a grayish-white pseudomembrane in the posterior palate that readily bleeds is:


8. An acute, life threatening, infectious, communicable disease of skin and oral mucosa in children caused by toxemic strain of Comybacterium is:


9. Diphtheria spreads by:


10. After entering humans C. Diphtheria tends to colonizes the:


11. The C. diphtheria toxins cause:


12. A wash leather appearing, elevated grayish green membrane with well defined edges surrounded by acute inflammation in diphtheria is and commonly begins in _


13. Diphtheria causes:


14. Complication of diphtheria includes:


15. The inflammatory reaction in Tuberculosis is:


16. M. tuberculosis is a:


17. Acid fastness of M. tuberculosis is due to:


18. M. tuberculosis spreads by:


19. The primary lesion of granulomatous infection of tuberculosis is called as:


20. A hard tubercle is made up of:


21. Tuberculosis evokes:


22. When the caseous necrosis undergoes calcification in tuberculosis, it is called as:


23. Extrapulmonary form of tuberculosis is seen commonly among:


24. Diffused dissemination of tuberculosis in a hematogenous pathway is:


25. Lupus vulgaris appears as papular nodules that frequently ulcerate is commonly found on the:


26. Oral lesions of tuberculosis commonly occurs in the:


27. The gold standard for diagnosis of tuberculosis is:


28. A positive tuberculin test means:


29. A chronic granulomatous infection caused by bacteria that is slightly contagious and causes deformities of skin is:


30. Mycobacterium leprae is:


31. M. leprae can be visualized by:


32. Leprosy spreads by:


33. A component of M. leprae cell wall that induces immune suppression to cause the disease is:


34. The M. leprae bacteria are taken up by:


35. Tuberculoid type of leprosy has:


36. M. leprae can be cultured in:


37. A chronic granulomatous supparative disease caused by an anaerobic, gram-positive non-acid fast branched filamentous bacteria that is a normal commensal in oral cavity is:


38. The most commonly isolated species from actinomy¬cosis is:


39. The pus from acanthomycotic infection reveals "sulphur" like granules which are:


40. Actinomycosis invades the mucosa through:


41. The most common form of actinomycosis is:


42. The most severe form of actinomycosis is:


43. The appearance of lobulated microbial colonies made up of meshwork of filamentous organism with eosinophilic peripheral club shaped ends is:


44. A bacterial granulomatous disease of skin that mimics actinomycosis is:


45. All are true about tularemia except:


46. Tetanus is caused by:


47. All are true about tetanospasmin except:


48. Secondary syphilis is characterized by all except:


49. Which is not a characteristic of tertiary syphilis?


50. Intraoral gumma most commonly involves the:


51. Higomenakis's sign is present in:


52. Congenital syphilis is:


53. Hutchinson's triad is characterized by all except:


54. Nesseria gonohorrea is characterized by:


55. Ollendorf sign is present in:


56. Sign commonly observed in congenital syphilis is:


57. The inclusion bodies seen in granuloma inguinale is:


58. Most common form of extragenital granuloma inguinale involves the:


59. Histologic features of granuloma inguinale include:


60. Granuloma inguinale is caused by:


61. Rhinoscleroma is characterized by:


62. Frisch bacillus is:


63. Which of the following is not true regarding NOMA?


64. Tetanus is an acute infection of:


65. C. tetanus is transported to nerve cell body in brain¬stem and spinal cord by:


66. Generalized tetanus is characterized by:


67. All syphilis is infectious except:


68. Explosive and widespread form of syphilis is:


69. Luetic glossitis is due to:


70. Rhagades in syphilis is:


71. Pyogenic granuloma is characterized by:


72. Pyogenic granuloma classically in histopathological sections resembles:


73. Pyogenic granuloma commonly occurs in:


74. Snail track ulcerations are a feature of:


75. The most common viral disease of man next to respiratory infection is:


76. Herpes simplex virus or herpes virus hominis preferentially involve structure derrived from:


77. Herpes virus hominis is:


78. Herpes virus hominis preferentially stays in:


79. The herpes virus hominis is centrifugally distributed through from the ganglia.


80. The characteristic skin lesions of herpes virus hominis is a:


81. Herpes simplex virus-1 commonly affects the:


82. Infection of a virus in a person who does not have circulating antibodies to that virus is called:


83. Kaposi's varicelli form eruption is a herpetic infection superimposed on:


84. An autoinoculation of herpes virus in finger is:


85. The primary form of herpes virus-l infection commonly results in:


86. HSV-2 resides in:


87. The herpetic vesicle can be best described to be arising at:


88. The type of degeneration occurring in HSV-l infected epithelial cell is best known as:


89. The intranuclear inclusion bodies of HSV is:


90. Recurrent intraoral herpetic lesions are invariably found in the:


91. An acute, febrile disease with sore throat, fever, raised, white, discrete, papules surrounded by a zone of erythema and occurring in oropharynx is:


92. The characteristic papules of acute nodular pharyngitis are actually:


93. An endemic viral infection caused by coxsackie A16 virus characterized by maculopapular, exanthematous vesicular lesion of skin is:


94. An acute, contagious, dermatrophic, RNA, paramyxo¬virus infection affecting children is:


95. The portal entry of measles is via the:


96. Measles virus commonly infects the:


97. The intraoral lesions of measles are called:


98. Human papilloma virus belongs to papvoviridae family of:


99. Molluscum conatagoisum virus replicates in:


100.Condyloma acuminatum virus replicates and transcribes in:

























































































































































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Bacterial diseases

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viruses  bacteria  fungi

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