KROK 1 2007 – Question 119 · KROK (Medicine) · Microbiology, Virology, and Immunology
48 hours after performing tuberculin test (Mantoux test) to a child a 10 mm papule appeared on the spot of tuberculin introduction. What hypersensitivity mechanism underlies these changes?
- A. Cellular cytotoxicity
- B. Antibody-dependent cytotoxicity
- C. Granulomatosis
- D. Immune complex cytotoxicity
- E. Anaphylaxis
Hint
Remember that a skin reaction appearing after one to three days rather than within minutes is mediated by sensitised T lymphocytes and macrophages, not by antibodies.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Microbiology, Virology, and Immunology
- A patient with clinical presentations of immunodeficiency went through immunological examinations. They revealed significant loss of cells that form…
- Urine examination of a patient with acute cystitis revealed leukocytes and a lot of gram-negative bacilli. Inoculation resulted in growth of…
- A laboratory received a material from a patient’s wound. Preliminary diagnosis is gaseous gangrene. What microbiological method should be applied to…
- A boy is 7 y.o. Objectively: against the background of hyperemic skin there is knobby bright-pink rash on his forehead, neck, at the bottom of…
- In the surgical department of a hospital there was an outbreak of hospital infection that showed itself in often postoperative wound abscesses…
- Quite often the cause of secondary immunodeficiency is an infection involvement, when the causative agents propagate directly in the cells of immune…