30-finsh applied

31. Lowentein-Jensen medium is used for cultureing:

32. Drugs used against tuberculosis (TB) are:

35. Virulence in mycobacteria is most strongly correlated with

36. The coagulase test is used to differentiate

37. Not true of Staphylococcus is that

38. Which of the following diseases are not caused by Staphylococcus infection?

39. Toxic shock syndrome is caused by

40. Which of the following statements regarding the role of protein A in the pathogenesis of infections caused by Staphylococcus aureus is correct?

41. All of the following statements regarding Panton-Valentine leukocidin are correct except

42. A 32-year-old woman became ill 4 days after the onset of her menstrual period. She presented in the emergency room with fever (104°F: normal = 98.6°F), elevated white blood cell count (16,000/mm°, normal = 4,000 to 10,000/mm*), and an erythematous, sunburn like rash on her trunk and extremities. She complained of fatigue, vomiting, and diarrhea. She had recently eaten at a fast-food restaurant, but otherwise had prepared all her meals at home. The patient described most likely has

43. A 57-year-old man arrives at the emergency room complaining of weakness, fatigue, and antermittent fever that has recurred for several weeks. The patient had a cardiac valvular prosthesis implanted 5 years earlier. Physical examination reveals petechiae (pinpoint, honraised, purplish red spots caused by intradermal hemorrhage) on the chest and stomach. Blood cultures grew catalase-positive, coagulase negative, cocci. The gram- positive organisms failed to ferment mannitol, and their growth was inhibited by nobobiocin. What is the most likely infectious agent?

44. An 18-month-old child was brought the pediatrician's office with what appeared to be a sunburn, although the parents denied that the child had been over exposed to the sun. The parents did recall seeing an area of redness and small blisters on the child's arm the night before. Which of the following virulence factors in critical to this disease manifestation?

45. Neisseria meningitides is all Except:

46. Which of the following is not associated with manifestation of gonococci infection?

47. Infection with Neisseria gonorrhoeae is:

48. Which of the following occurs at the first stage of Meningococcal infection?

49. Virulence in gonococcus is due to

50. The following characters are true about Neisseria gonorrhoeae except

51. Gonorrhoea is

52. Neisseria gonorrhoeae causes

53. Which of the following neisserial virulence factors is part of the tetravalent vaccine that protects against some but not all serogroups of Neisseria meningitides?

54. Which of the following bacteria can cause pneumonia in man?

55. Conjunctivitis in a new born is caused by

56. Common causes of meningitis in the neonates include:

57. Acute rheumatic fever is:

58. The following organisms possess capsules:

59. The following are classified as viridans streptococci:

60. An 18-year-old man fell on his knee while playing basketball. The knee was painful, but the overlying skin was unbroken, The knee was swollen and remained painful the next day, so he was taken to the local emergency department. Clear fluid was aspirated from the knee, and the physician prescribed symptomatic treatment. Two days later, the swelling returned, the pain increased. And erythema developed over the knee. Because the patient also felt systemically ill and had an oral temperature of 38.8°C, he returned to the emergency department. Aspiration of the knee yielded cloudy fluid, and cultures of the fluid and blood were positive for S. aureus, What is the clinical disease of this infection?

61. Which of the following cell components produced by Neisseria gonorrheoeae is responsible for attachment to host cells?

62. Which of the following test is not recommended for the diagnosis of Syphilis?

63. Which of the following bacteria causing sexually transmitted disease cannot be grown on. Artificial media? A. Neisseria gonorrhoeae

64. Each of the following statements about the classification of streptococci is correct except:

65. Which of the following microorganisms causes scarlet fever?

66. The role of Pneumococci's capsules as virulence factor is usually related to their ability to interfere with

67. A pore forming 'toxin' that especially damage white blood cells are known as:

68. Enterococcus faecalis is

69. The survival of Mycobacteria after ingestion by macrophages is attributed to

70. Which of the following bacteria is not most important causes of acute bacterial meningitis?