A patient's abnormal lymphocytes are positive for CD2 antigen and lack C3 receptors. What can this be classified as?

Prepare for the ASCP Technologist in Immunology Exam with our quizzes. Explore flashcards and multiple-choice questions, each paired with hints and explanations to bolster your exam readiness and confidence.

Multiple Choice

A patient's abnormal lymphocytes are positive for CD2 antigen and lack C3 receptors. What can this be classified as?

The classification of the abnormal lymphocytes as a disorder of T cells is accurate due to the presence of the CD2 antigen. CD2 is a surface marker typically expressed on T lymphocytes and is involved in T-cell activation and interaction. In this scenario, the lack of C3 receptors also helps substantiate this conclusion. C3 receptors are primarily associated with B cells and macrophages, which play key roles in the immune response but are not characteristic of T cells. The specific positivity for the CD2 antigen suggests that these abnormal lymphocytes are indeed part of the T-cell lineage, as this is a defining marker of that cell type. Therefore, the complete identification of these cells as T cells reinforces the conclusion that this condition is a disorder of T cells.

The classification of the abnormal lymphocytes as a disorder of T cells is accurate due to the presence of the CD2 antigen. CD2 is a surface marker typically expressed on T lymphocytes and is involved in T-cell activation and interaction.

In this scenario, the lack of C3 receptors also helps substantiate this conclusion. C3 receptors are primarily associated with B cells and macrophages, which play key roles in the immune response but are not characteristic of T cells.

The specific positivity for the CD2 antigen suggests that these abnormal lymphocytes are indeed part of the T-cell lineage, as this is a defining marker of that cell type. Therefore, the complete identification of these cells as T cells reinforces the conclusion that this condition is a disorder of T cells.

More practice questions