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KROK (Medicine) questions: Microbiology, Virology, and Immunology — page 4

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

  1. In a township there was registered an outbreak of hepatitis, which was attributed to water supply. What hepatitis virus could be the cause of the outbreak in this… KROK 1 2017 – Question 48
  2. During fibergastroscopy of a patient with ulcer disease of the stomach, the mucosal biopsy material is taken from the area of an ulcer. Impression smear is prepared… KROK 1 2017 – Question 55
  3. Old burial ground for animal refuse, which has not been in use for the last 50 years, is planned to be given for housing development. However, the soil analysis… KROK 1 2017 – Question 58
  4. A patient has been hospitalized with provisional diagnosis of virus B hepatitis. Serological reaction based on complementation of antigen with antibody chemically bound… KROK 1 2017 – Question 72
  5. A bacteriological laboratory tests canned meat for botulinum toxin. Extract of the tested material and ABE botulinum antitoxin serum was introduced into the test group… KROK 1 2017 – Question 74
  6. A 10-year-old child had cut his leg with a glass shard, when playing, and was delivered to the outpatient department to receive antitetanus serum. To prevent… KROK 1 2017 – Question 80
  7. Pathologic material (mucosal excretion from the nasal passages) obtained from a patient provisionally diagnosed with influenza was delivered to the virological… KROK 1 2017 – Question 106
  8. A 5-year-old child is diagnosed with Bruton syndrome (X-linked agammaglobulinemia) that manifests itself in severe clinical course of bacterial infections and absence… KROK 1 2017 – Question 107
  9. Gram-positive spore-forming bacilli were extracted in anoxic environment from the patient’s wound contaminated with soil. Cultivation on a blood-glucose agar resulted… KROK 1 2017 – Question 126
  10. A 22-year-old woman ate some seafood. 5 hours later her torso and distal parts of her limbs developed small itchy papules which were partially fused together. One day… KROK 1 2017 – Question 155
  11. Typical manifestations of food poisoning caused by C. botulinum are double vision, abnormal functioning of the swallowing and breathing. These symptoms develop as the… KROK 1 2017 – Question 166
  12. On examination of a 6-year-old child the doctor noticed grayish film on the child’s tonsils. Microscopy of the smears stained by Neisser method detected there… KROK 1 2017 – Question 170
  13. A man is suffering from diarrhea. In summer he spent his vacation in the south at the sea coast. Bacteria with the following properties were detected in his feces… KROK 1 2017 – Question 178
  14. A pregnant woman was detected to have IgM to rubella virus. An obstetrician-gynecologist recommended therapeutic abortion due to the high risk of teratogenic affection… KROK 1 2017 – Question 179
  15. On examination of a patient with disease onset 5 days ago the doctor suspected tularemia and prescribed the patient tularin intracutaneously. What is the purpose of… KROK 1 2017 – Question 194
  16. A 13-year-old boy presents with eczematous rashes on his shins and torso. Anamnesis states cases of otitis, pneumonia, and furuncles in the patient. Blood test… KROK 1 2017 – Question 196
  17. A patient developed pyoinflammatory process of periodontal tissues caused by activation of the microorganisms inherent in the body, which are a part of oral mucosal… KROK 1 2017 – Question 200
  18. From the feces of a patient with acute gastroenteritis a pure culture of microorganisms was obtained. The microorganisms are small mobile slightly curved gram-negative… KROK 1 2018 – Question 5
  19. A patient was brought into the infectional diseases hospital on the 8th day since the disease onset. The patient complains of headache, malaise, and weakness. A sample… KROK 1 2018 – Question 6
  20. Initial inoculation of water in 1% peptone water resulted in growth of a thin film on the medium surface in 6 hours. Such cultural properties are characteristic of… KROK 1 2018 – Question 32
  21. In a township there was registered an outbreak of hepatitis, which had supposedly spread through the water supply. What hepatitis virus could be the cause of the… KROK 1 2018 – Question 44
  22. A medical student was hospitalized into the infectious diseases unit on the 2nd day after the disease onset; the patient is suspected to have infectious mononucleosis… KROK 1 2018 – Question 45
  23. Pathogenic staphylococcus was obtained from the purulent wound of the patient. Its antibiotic sensitivity was determined to be as follows: penicillin growth inhibition… KROK 1 2018 – Question 48
  24. A patient was hospitalized into the infectious diseases unit on the 11th day since the disease onset and provisionally diagnosed with typhoid fever. What biological… KROK 1 2018 – Question 78
  25. A patient with clinical signs of a primary immunodeficiency has functionally disturbed mechanism of antigen-presentation to the immunocompetent cells. What cells are… KROK 1 2018 – Question 82
  26. A toxin neutralized with 0.4% formaldehyde under 37-40° C for 4 weeks is used for vaccination. This preparation was first used by Gaston Ramon for diphtheria… KROK 1 2018 – Question 90
  27. What diagnostic method should be used in industry to test the raw leather for presence of B. anthracis? KROK 1 2018 – Question 109
  28. A 5-year-old child is diagnosed with Bruton syndrome (X-linked agammaglobulinemia) that manifests itself as severe clinical course of bacterial infections and absence… KROK 1 2018 – Question 120
  29. During the skill-building session in microbiology the students need to stain the prepared and fixed sputum smears obtained from a tuberculosis patient. What staining… KROK 1 2018 – Question 121
  30. First-year schoolchildren have received tuberculin skin test (Mantoux test) at the school nurse’s office. The purpose of this test was: KROK 1 2018 – Question 123
  31. Various biological preparations can be used for poliomyelitis prevention. What drug induces the type of local intestinal mucosal immunity that lasts the longest? KROK 1 2018 – Question 139
  32. A 40-year-old woman was diagnosed with glomerulonephritis based on her clinical symptoms and the results of urine analysis. Anamnesis states chronic tonsillitis. What… KROK 1 2018 – Question 174
  33. Preventive vaccination against poliomyelitis is made with inactivated vaccine introduced parenterally. What immunoglobulins create the postvaccinal immunity in this case? KROK 1 2018 – Question 190
  34. A patient developed pyoinflammatory process of periodontal tissues caused by activation of the microorganisms inherent in the body, which are a part of oral mucosal… KROK 1 2018 – Question 199
  35. To test donor blood for hepatitis B antigens, it is necessary to use highly sensitive detection methods. What test should be used for this purpose? KROK 1 2019 – Question 11
  36. Urinalysis of a patient with acute cystitis shows leukocytes and a large number of gram-negative bacilli. Inoculation has resulted in the growth of mucous colonies that… KROK 1 2019 – Question 18
  37. The bacteriological laboratory needs to prepare for analysis of materials that are suspected to be contaminated with spores of anthrax causative agent. What diagnostic… KROK 1 2019 – Question 30
  38. A family has two children. The younger child is under a year. The child has developed spastic cough attacks. Similar clinical presentation was observed in the elder… KROK 1 2019 – Question 74
  39. A 36-year-old man provisionally diagnosed with renal tuberculosis has undergone urinary sediment analysis. Microscopy revealed acid-fast bacteria, but Pryce method… KROK 1 2019 – Question 92
  40. Pathologic material (mucosal excretion from the nasal passages) obtained from a patient provisionally diagnosed with influenza was sent to the virological laboratory… KROK 1 2019 – Question 99
  41. What diagnostic method should be used in industry to test the raw leather for presence of B. anthracis? KROK 1 2019 – Question 109
  42. A 2.5-year-old child is provisionally diagnosed with pharyngeal diphtheria. Smear from the child’s mucosa was obtained and inoculated into a coagulated equine serum… KROK 1 2019 – Question 116
  43. The bacteriological laboratory has received for analysis a sample of dried fish from a focus of food poisoning outbreak. The bacteriologist inoculated the sample into a… KROK 1 2019 – Question 119
  44. A 12-year-old boy with clinical presentation of influenza has developed respiratory mycoplasmosis. What type of infection has developed under these conditions? KROK 1 2019 – Question 120
  45. To determine toxigenicity of diphtheria causative agents obtained from patients, the cultures were inoculated in a Petri dish with nutrient agar, bilaterally to a strip… KROK 1 2019 – Question 143
  46. First-year schoolchildren have received tuberculin skin test (Mantoux test) at the school nurse’s office. The purpose of this test was: KROK 1 2019 – Question 150
  47. A 23-year-old woman presents to the emergency department complaining of bloody diarrhea, fatigue and confusion. A few days earlier, she went to a fast food restaurant… KROK 1 2019 – Question 158
  48. A 6-year-old boy is brought to the pediatrician by his mother, who complains of low-grade fever, chronic cough and night sweats in her child. She describes the cough as… KROK 1 2019 – Question 161
  49. A 43-year-old man seeks evaluation at an emergency department with complaints of fever with chills, malaise, diffuse abdominal pain for over a week, diarrhea and loss… KROK 1 2019 – Question 174
  50. Shigella capable of producing exotoxin was obtained from a patient diagnosed with dysentery. What Shigella species is it? KROK 1 2020 – Question 3

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