Your friend Bruce calls in a panic. He has just come from the doctor and been diagnosed with a bacterial infection. The doctor told him not to worry; his B cells will take care of it in no time! Knowing that you are studying the immune response, he is calling to ask you to explain this statement. Is the doctor correct

B cells are a type of white blood cells of a subtype called lymphocytes. They confer acquired or adaptive immunity. This means that B lymphocytes responses to infective microbes are from the memories of their previous encounter with the microbes or antigens.

B lymphocytes fight bacteria and viruses by making Y-shaped proteins called antibodies. These antibodies are specific for each pathogen encountered. They identify and lock on to the surface of invading pathogenic cells and mark and present them for destruction by other immune cells.

Oftentimes, these antibodies are enough to fight off most bacterial infections that we have and therefore there's no need for extensive treatment with drugs.

luisvaschetto luisvaschetto · Answer 2 · 2021-11-26T13:19:13+01:00

The doctor is correct because B cells produce antibodies that recognize harmful bacteria, enabling them to be cleared from the human body.

B cells (also called B lymphocytes) are a fundamental type of white blood cell, which trigger protective antibody responses of the adaptive immune system.

The plasma cells developed from a particular B cell generate specific antibodies that recognize specific antigens, which were bound to the B cell, generating immunological memory (i.e., antibody specificity).

Antibodies generated by plasma B cells circulate in the bloodstream in order to recognize specific antigens present in bacteria, thereby enabling them to be cleared from the body.

In conclusion, the doctor is correct because B cells produce antibodies that recognize harmful bacteria, enabling them to be cleared from the human body.

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