Antibodies are produced in the plasma of blood by which of the following?

The correct answer is Lymphocytes.

Key Points

• Lymphocytes are a type of white blood cell (WBC) that play a central role in the immune response.
• There are two main types of lymphocytes: B cells and T cells.
• B cells are responsible for the production of antibodies, which are proteins that target and neutralize pathogens like bacteria and viruses.
• Antibodies produced by B cells are released into the bloodstream and tissues, where they bind to specific antigens on the surface of pathogens.

Additional Information

• Antibodies
  • Also known as immunoglobulins, they are Y-shaped proteins produced by B cells.
  • Antibodies specifically bind to antigens, which are molecules present on the surface of pathogens, marking them for destruction by other immune cells.
• Lymphatic System
  • A network of tissues and organs that help rid the body of toxins, waste, and other unwanted materials.
  • The primary function is to transport lymph, a fluid containing infection-fighting white blood cells, throughout the body.
• Immune Response
  • The body's defense mechanism against pathogens, including bacteria, viruses, fungi, and parasites.
  • Involves both the innate (nonspecific) and adaptive (specific) immune systems.
• Types of White Blood Cells (WBCs)
  • In addition to lymphocytes, there are several other types of WBCs, including neutrophils, monocytes, eosinophils, and basophils, each with specific roles in the immune system.
  • Neutrophils are the most abundant type of WBC and are the first responders to infection sites.