Cell-Mediated Immunity · Pathology

Which immune cell expresses both CD4 and CD25 and regulates immune tolerance?

  1. Cytotoxic T cell
  2. B lymphocyte
  3. Regulatory T cell
  4. Natural killer cell
Show answer and explanation

Correct answer: Regulatory T cell

Regulatory T cells express CD4 and CD25 along with FOXP3. They help prevent autoimmunity by suppressing excessive immune responses.

Difficulty: Medium Question 17 of 20

Practice all 20 Cell-Mediated Immunity questions

Keep practicing

More Cell-Mediated Immunity questions