Multiple choice

_______ are small white cells that produce antibodies.

  1. Leucocytes

  2. Phagocytes

  3. Lymphocytes

  4. Erythocytes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lymphocytes (specifically B-lymphocytes) are white blood cells responsible for producing antibodies as part of the adaptive immune response. When they detect foreign antigens, they differentiate into plasma cells that mass-produce specific antibodies to neutralize pathogens. Leucocytes is the general term for all white blood cells; phagocytes engulf pathogens; erythrocytes are red blood cells.

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