KROK 1 2013 – Question 54 · KROK (Medicine) · Microbiology, Virology, and Immunology
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 the meaning of this test result?
- A. No cell-mediated immunity to tuberculosis
- B. Presence of antibodies to the tuberculosis bacteria
- C. No antibodies to the tuberculosis bacteria
- D. Availability of cell-mediated immunity to tuberculosis
- E. No anti-toxic immunity to tuberculosis
Hint
Think about what kind of immune response a skin induration that appears one to three days after intradermal antigen reflects, and what its absence would mean.
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 diseased child has a high fever, sore throat, swelling of submandibular lymph nodes. Objectively: pharyngeal mucosa is edematous, moderately…
- 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…
- A patient has severe catarrhal symptoms. Material growth on Bordet-Gengou agar showed mercury-droplike colonies. Examination of the blood smears…
- The laboratory for especially dangerous infections conducts microscopic examination of pathological material from a patient with suspected plague…
- 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…
- 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…