KROK 1 2007 – Question 150 · KROK (Medicine) · Microbiology, Virology, and Immunology
A patient with clinical presentations of immunodeficiency went through immunological examinations. They revealed significant loss of cells that form rosettes with erythrocytes of a ram. What conclusion can be made according to the analysis data?
- A. Decrease of B-lymphocytes rate
- B. Decrease of natural killer cell rate
- C. Decrease of T-lymphocytes rate
- D. Decrease of complement system rate
- E. Insufficiency of effector cells of humoral immunity
Hint
Think about which lymphocyte population carries the surface receptor (CD2) that binds sheep red cells in the E-rosette test.
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