1. Most common virus implicated in Severe Acute Respiratory Syndrome (SARS) is
2. Acellular pertusis vaccine contains -
3. Brucella is transmitted by all expect:
4. Virulence in gram negative bacteria is due to
5. Gram stained periorbital exudates in severe panophthalmitis with cellulitis in an elderly diabetic shows irregular branching aseptate and broad hyphae. Which of the following is the most likely diagnosis:
6. All are true about brucella except -
7. Immunoglobulin bound on the surface of bacteria mediates phagocytosis by (Phagocytosis causes complement activation by)-
8. How do you differentiate between Streptococcus and Staphylococcus infection
9. Which cellular organelle listed below contains specialized enzymes whose functions involve hydrogen peroxide?
10. A positive tuberculin test always indicates which of the following?
11. Certain enzymes are responsible for suppuration, These enzymes derive chiefly from
12. Which of the following represents the characteristic cellular infiltrate in delayed type hypersensitivity?
13. Bacterial capsule is stained by
14. A male patient presented with granulomatous penile ulcer. On Wright geimsa stain tiny organisms of 2 microns within macrophages seen. What is the causative organism?
15. A child presents with recurrent episodes of sinopulmonary infection by bacteria with polysaccharide rich capsules. Which of the following subclass deficiency of immunoglobulins s likely to cause such infections:
16. In myasthenia gravis, autoantibodies are directed against which of the following structures?
17. Which of the following are used in protective vaccines because they retain their antigenicity but have lost their toxicity?
18. Bull-neck' is seen in severe cases of which of the following?
19. Which of the following is false about clostridium perfringes -
20. Which of the following cell types are the most potent activators of naive T cells
21. Which is not true about vibrio choera:
22. Not used in leptospirosis -
23. A deficiency in which of the following cells can predispose to candidiasis?
24. Which of the following is not a rapidly growing atypical mycobacteria causing lung infections
25. Lambda phage which of the following is true
26. Which of the following chemical agents has the broadest antimicrobial spectrum of activity?
27. The main advantage of active immunity is that resistance is:
28. The phase of growth in which bacteria increases in size with increase in metabolic activity but no increase in number is seen in
29. Bacterial vaccines are composed of:
30. With reference to Bacteroides fragilis, all of the following statements are true except
31. Lysozyme degrades:
32. If Type A blood is accidentally transfused into a Type B recipient, the immediate haemolytic reaction would be the result of which of the following?
33. Which of the following statements regarding Legionella pneumonia is true
34. An elderly patient presented with fever, chest pain and dry cough. Sputum cultured on charcoal yeast medium, the organism is -
35. In a 5 year old boy who has history of pyogenic infections by bacteria with polysaccharide-rich capsules, which of the following investigations should be done?
36. Most common cause of Zoonotic Cutaneous Leishmaniasis is
37. The causative agent for Delhi Boil is
38. In Which of the following organs or tissues are ascending infections common?
39. The antigen-binding site of antibody molecules is localized in the
40. What will happen if a bacteria acquires genes coding for restriction endonuclease -
41. An infection is epidemic if:
42. All of the following statements about Parvovirus B- 19 are true, Except:
43. Which of the following statement is true about bacteriophage
44. All of the following statements concerning bacterial plaque are true, except:
45. All of the following statements concerning complement are true, except:
46. HIV pt with malabsotion, fever, chronic diarrhoea, with acid fast positive organism. What- is the causative agent
47. Ideal method for sterilization of electric equipment's flexible endoscopes
48. Aerosol spread leading to epidemics is seen in infection with
49. Which of the following viral diseases has the LONGEST incubation period?
50. Anaphylotoxins:
51. Epstein Barr virus causes autoimmunity by:
52. Vaccination is based on the principle of:
53. First immunoglobulin increased during immunity
54. Optimal time and temperature required for sterilization in an autoclave is
55. Ovalbumin was injected into a Rabbit. Which of the following classes of Antibiotics are likely to be produced initially:
56. Which of the following immunoglobulins is a pentamer
57. Edema in filariasis is due to
58. Which of the following statements about campylobacter jejuni is false
59. Organism involved in Cysticercosis of oral cavity
60. Leukotrienes C4, D, and E4 are collectively known as:
61. Reassortment is seen in -
62. Hepatitis B infectivity is
63. The first virological marker following acute hepatitis B infection is
64. Marker for chronic persistent HBV infection is
65. Successful immunization with a hepatitis B vaccine results in the development of serum antibodies to which of the following?
66. All of the following agents have polysaccharide capsule related antigen antibody responses, except:
67. The basic chemical structure of endotoxins includes which of the following?
68. Neonatal sepsis is not caused by -
69. Xenograft
70. Which of the following disinfectant is effective against herpes simplex viruses but NOT rhinoviruses?
71. Eosinophils are characteristically seen in which of the following conditions?
72. Most sensitive test for Treponema -
73. Which of the following is a powerful oxidizing agent that inactivates bacteria and most viruses by oxidizing free sulfhydryl groups?
74. Regarding IgE, which of the following is false?
75. All are true regarding disinfectants except -
76. Which of the following is an antimicrobial agent that primarily inactivates cellular DNA?
77. Best method to disinfect delicate instruments as endoscope, cystoscopes and metallic instrument is by
78. Antigen antibody precipitation is maximally seen in which of the following
79. Which of the following commonly produces a positive heterophile antibody test?
80. Visceral larva migrans is caused by
81. A young male presents with loose motions and 'intermittent abdominal pain over the past ,1 year Wet mount stool specimen showed the presence of multiple ova which are more than 100? in diameter. The causative organisms for the disease shall not include
82. Alcohol requires which concentration listed below to kill bacteria given sufficient time?
83. Infective dose of Salmonella Typhi is:
84. Synthesis of an immunoglobulin in membrane bound or secretory form is determined by:
85. Hereditary angioedema is the result of which of the following?
86. Which of the following infections is not associated with congenital malformations
87. Which of the following is most resistant to antiseptics:
88. All of the following protozoa may be detected by Fecal Acid Fast Stain, except
89. Which of the following is the most common fungal infection in immunocompetent patient:
90. Sputum can be disinfected by all except:
91. Diagnostic of Rabies -
92. Rabies is identified by
93. Which of the following is a method for acquiring infection by Legionella pneumophila
94. Transfer of genetic information between DNA molecules inside a cell is called
95. With reference to antibiotic resistance all of following statements are true except -
96. T lymphocytes are MOST directly involved in which of the following?
97. Which of the following represents the phenotypic expression of both alleles in a gene pair
98. Which of the following has been shown to be the most effective antimicrobial agent for reducing plaque and gingivitis long-term?
99. Non supparative lesion caused by group-A Streptococci
100. Which of the following statements about Pneumococcus is false: