Biology Immunity PMDC Conceptual Practice
PMDC Verified Question 35 of 99
Secreted antibodies are produced by which specific subset of white blood cells?
A
B-lymphocytes
B
T-lymphocytes
C
Neutrophils
D
Monocytes
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: B-lymphocytes
Concept: Effector cells of humoral immunity.

Solution: Upon binding antigens, B-lymphocytes differentiate into effector plasma cells, which function as cellular factories synthesizing immunoglobulins.

Why other options are incorrect:
  • Option B: T-lymphocytes govern cell-mediated responses and helper cytokine release.

  • Option C & Option D: Neutrophils and monocytes are innate phagocytes that do not produce antibodies.

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