In B cell development, which cell type is responsible for producing and secreting large amounts of antibodies?

• A. Pro-B cell
• B. Memory B cell
• C. Plasma cell
• D. Naive mature B cell

Answer: (C)

Verified step by step guidance

1. Understand the stages of B cell development: B cells originate from progenitor cells in the bone marrow and progress through several stages including Pro-B cells, Naive mature B cells, Memory B cells, and Plasma cells.
2. Identify the function of each cell type: Pro-B cells are early precursors that do not produce antibodies; Naive mature B cells have not yet encountered an antigen; Memory B cells are long-lived cells that respond quickly upon re-exposure to an antigen.
3. Recognize that Plasma cells are the differentiated form of B cells that actively produce and secrete large quantities of antibodies to fight infections.
4. Recall that antibody secretion is a hallmark function of Plasma cells, making them the primary antibody-producing cells in the immune response.
5. Conclude that among the given options, Plasma cells are responsible for producing and secreting large amounts of antibodies during B cell development.