Med surg - Hematology, Immune & Cancer Exam Questions with 100% Correct Answers | Verified | Updated 2024Bone marrow: - Correct Answer-The white blood cells (WBCs) involved in immunity are produced in the bone marrow. Like other blood cells, lymphocytes are generated from stem cells (undifferentiated cells). There are two types of lymphocytes - B lymphocytes (B cells) and T lymphocytes (T cells)Lymphoid tissue: - Correct Answer-The spleen, composed of red and white pulp, acts somewhat like a filter. The red pulp is the site where old and injured red blood cells (RBCs) are destroyed. The white pulp contains concentrations of lymphocytes. The lymph nodes, which are connected by lymph channels and capillaries, are distributed throughout the body. They remove foreign material from the lymph system before it enters the bloodstream. The lymph nodes also serve as centers for immune cell proliferation. The remaining lymphoid tissues contain immune cells that defend the body's mucosal surfaces against microorganisms.Natural Immunity - Correct Answer-is nonspecific immunity, as it provides a broad spectrum of defense against and resistance to infections. It is considered the first line of host defense following antigen exposure because it protects the host without remembering prior contact with an