National League for Nursing (NLN PAX) Practice Exam

Which of the following is not a function of lymphocytes?

1. Producing antibodies

2. Coordinating motor function

3. Inducing an immune response

4. Identifying foreign pathogens

The correct answer is: Coordinating motor function

Lymphocytes are a type of white blood cell that play a crucial role in the immune system. Their primary functions include producing antibodies, inducing immune responses, and identifying foreign pathogens. These roles are essential for protecting the body against infections and diseases. Producing antibodies is a key function of B lymphocytes, which helps neutralize pathogens and mark them for destruction by other immune cells. T lymphocytes, on the other hand, are responsible for inducing immune responses, particularly by recognizing and responding to infected or abnormal cells. Additionally, lymphocytes are equipped with receptors that allow them to identify foreign pathogens, enabling a targeted immune response. In contrast, coordinating motor function is not a role that lymphocytes play. That function is associated with the nervous system, particularly involving motor neurons and the muscles they control. This distinction underscores the specific immunological responsibilities of lymphocytes, differentiating them from the functions performed by other systems in the body.