KROK (Medicine) questions: Microbiology, Virology, and Immunology — page 2

281 questions in Microbiology, Virology, and Immunology. Open a question to see the answer options and a hint.

51. Vomiting matters of a patient suspected of having cholera were delivered to the bacteriological laboratory. The material was used for preparing a "hanging… KROK 1 2011 – Question 164
52. After inoculation of the material obtained from the pharynx of an angina patient onto the blood-tellurite agar, grey colonies could be observed. They were 4-5 mm in… KROK 1 2011 – Question 194
53. A 4-year-old child presents with general weakness, sore throat and deglutitive problem. After his examination a doctor suspected diphtheria and sent the material to the… KROK 1 2011 – Question 199
54. Bacterioscopic examination of a smear from the pharynx of a diphtheria suspect revealed bacilli with volutine granules. What etiotropic drug should be chosen in this… KROK 1 2012 – Question 48
55. Bacterioscopy of nasopharyngeal mucus taken from a 2,5 year old child with nasopharyngitis revealed gram-positive diplococci looking like coffee grains. What organs of… KROK 1 2012 – Question 67
56. Analysis of sputum taken from a patient with suspected pneumonia revealed rather elongated gram-positive diplococci with somewhat pointed opposite ends. What… KROK 1 2012 – Question 69
57. Serological diagnostics of infectious diseases is based upon specific interaction with antigens. Specify the serological reaction that underlies adhesion of… KROK 1 2012 – Question 70
58. The immunoblot detected gp120 protein in the blood serum. This protein is typical for the following disease: KROK 1 2012 – Question 71
59. HIV has gp41 and gp120 on its surface interacts with target cells of an organism. Which of the following human lymphocyte antigens is gp120 complementary bound with? KROK 1 2012 – Question 72
60. The contents of vesicles that appeared on the mucous membrane of a patient with variola was sent to a virological laboratory. Which of the listed changes were revealed… KROK 1 2012 – Question 81
61. In order to determine toxigenicity of diphtheria bacilli a strip of filter paper impregnated with antitoxic diphtherial serum was put on the dense nutrient medium… KROK 1 2012 – Question 83
62. A patient underwent esophagogastroduodenoscopy. Analysis of the biopsy material enabled doctors to diagnose him with helicobacteriosis. What property of the bacteria… KROK 1 2012 – Question 86
63. A 10-year-old child had the mantoux tuberculin test administered. 48 hours later a papule up to 8 mm in diameter appeared on the site of the injection. What type of… KROK 1 2012 – Question 107
64. Examination of patients with periodontitis revealed the interdependence between the rate of affection of periodontal tissues and the amount of lysozymes in saliva and… KROK 1 2012 – Question 117
65. Examination of a child who frequently suffers from infectious diseases revealed that IgG concentration in blood serum was 10 times less than normal, IgA and IgM… KROK 1 2012 – Question 158
66. There was a record of some anthrax cases among animals in a countryside. The spread of disease can be prevented by means of immunization. What kind of vaccine should be… KROK 1 2012 – Question 172
67. A bacteriological laboratory received sputum sample of a patient suffering from tuberculosis. Bacterioscopic examination of smears and detection of tuberculosis… KROK 1 2012 – Question 183
68. Vomiting matters of a patient suspected of having cholera were delivered to the bacteriological laboratory. The material was used for preparing a "hanging… KROK 1 2012 – Question 188
69. A 45 year old male died from disseminated tuberculosis. On autopsy the symptoms of tuberculosis were confirmed by both microscopical and histological analyses. All the… KROK 1 2012 – Question 190
70. During examination of a patient a dentist revealed a lot of "white spots" - zones of enamel demineralization. What microorganisms take part in the development of this… KROK 1 2012 – Question 198
71. A 4-year-old child presents with general weakness, sore throat and deglutitive problem. After his examination a doctor suspected diphtheria and sent the material to the… KROK 1 2012 – Question 199
72. A child with suspected tuberculosis was given Mantoux test. After 24 hours the site of the allergen injection got swollen, hyperemic and painful. What are the main… KROK 1 2013 – Question 4
73. A 12-year-old boy has been hospitalized for suspected food poisoning. The fecal samples were inoculated on the Endo agar, which resulted in growth of a large number of… KROK 1 2013 – Question 6
74. A female patient has been diagnosed with cervical erosion, which is a precancerous pathology. What defense mechanism can prevent the development of a tumor? KROK 1 2013 – Question 16
75. A patient with suspected dysentery has been admitted to the infectious diseases hospital. Which basic method of laboratory diagnosis must be applied in the first place? KROK 1 2013 – Question 34
76. Bacteriological examination of purulent discharges from the urethra revealed some gram-negative bean-shaped bacteria located in the leukocytes. They can be identified… KROK 1 2013 – Question 41
77. A 50-year-old patient has been administered laevomycetin for the treatment of typhoid fever, but on the next day the patient’s condition worsened, the temperature rose… KROK 1 2013 – Question 46
78. A hospitalized patient bitten by a rabid animal has an avulsive wound of shin. What kind of vaccine must be given to prevent rabies? KROK 1 2013 – Question 52
79. A child entering the school for the first time was given Mantoux test in order to determine if there was a need for revaccination. The reaction was negative. What is… KROK 1 2013 – Question 54
80. A diseased child has a high fever, sore throat, swelling of submandibular lymph nodes. Objectively: pharyngeal mucosa is edematous, moderately hyperemic, the tonsils… KROK 1 2013 – Question 67
81. A smear of sputum from the patient with suspected lobar pneumonia was stained with the use of the following stains and reagents: solution of gentian violet, Lugol’s… KROK 1 2013 – Question 69
82. A patient has severe catarrhal symptoms. Material growth on Bordet-Gengou agar showed mercury-droplike colonies. Examination of the blood smears revealed some small… KROK 1 2013 – Question 109
83. The laboratory for especially dangerous infections conducts microscopic examination of pathological material from a patient with suspected plague. The sample was… KROK 1 2013 – Question 114
84. A patient has been admitted to the infectious diseases department for malaise, fever up to 38°C, jaundice. A few months ago, the patient underwent blood transfusion… KROK 1 2013 – Question 119
85. A child cut his leg with a piece of glass while playing and was brought to the clinic for the injection of tetanus toxoid. In order to prevent the development of… KROK 1 2013 – Question 140
86. In our country, routine preventive vaccinations against poliomyelitis involve using live vaccine that is administered orally. What immunoglobulins are responsible for… KROK 1 2013 – Question 152
87. What condition may develop 15-30 minutes after re-administration of the antigen as a result of the increased level of antibodies, mainly IgE, that are adsorbed on the… KROK 1 2013 – Question 155
88. In the surgical ward, the dressing material was undergoing sterilization in an autoclave. Through an oversight of a nurse the mode of sterilization was changed and the… KROK 1 2013 – Question 162
89. Typical manifestations of food poisoning caused by C. botulinum are double vision, abnormal functioning of the swallowing and breathing. These symptoms develop as a… KROK 1 2013 – Question 175
90. On allergological examination a patient has been diagnosed with pollinosis. Specific desensitization can be performed by: KROK 1 2013 – Question 178
91. A patient consulted a dentist about limited mouth opening (trismus). He has a history of a stab wound of the lower extremity. What infection may cause these symptoms? KROK 1 2013 – Question 191
92. Administration of doxycycline hydrochloride caused an imbalance of the symbiotic intestinal microflora. Specify the kind of imbalance caused by the antibiotic therapy: KROK 1 2013 – Question 198
93. The infectious diseases department of a hospital admitted a patient with nausea, liquid stool with mucus and blood streaks, fever, weakness. Dysentery was suspected… KROK 1 2014 – Question 1
94. A 6-year-old child with suspected active tuberculous process underwent the diagnostic Mantoux test. What immunobiological preparation was injected? KROK 1 2014 – Question 3
95. Stool culture test revealed in a 6-month-old bottle-fed baby the strain of intestinal rod-shaped bacteria of antigen structure O-111. What diagnosis can be made? KROK 1 2014 – Question 15
96. Bacteriological examination of the urine of the patient with pyelonephritis revealed microorganisms that produced yellow-green pigment and a characteristic odor in… KROK 1 2014 – Question 19
97. A smear from the tonsillar coating of a patient with suspected diphtheria was found to contain blue bacilli with a thickening at the poles. What method of smear… KROK 1 2014 – Question 34
98. A patient has been hospitalised with provisional diagnosis of virus B hepatitis. Serological reaction based on complementation of antigen with antibody chemically bound… KROK 1 2014 – Question 40
99. A patient has been hospitalised with provisional diagnosis of botulism. What serological reaction should be used to reveal botulinum toxin? KROK 1 2014 – Question 41
100. In a village, a case of anthrax had been registered. Medical services began epidemiologically indicated specific prophylaxis of population against anthrax. What… KROK 1 2014 – Question 81

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