Which two blood cells are chiefly responsible for acquired immunity? The primary function of platelets is: a. phagocytosis.Click to see full answer. People also ask, which type of blood cell is responsible for the immune response?Lymphocytes are white blood cells responsible for the more targeted immune response. They include: B cells: B cells are made in the bone marrow and then collect in the lymph nodes and other areas of lymphoid tissue throughout the body.Additionally, what are the smallest formed elements found in the blood? Terms in this set (61) Platelets. What are the smallest formed elements found in blood. B lymphocyte. Which cell type is responsible for humoral immunity. Immature rbc. A reticulocyte is an. Lymphocyte. Which type of blood cell is responsible for the immune response. Macrophages. Basophils. Plasma. Serum. Also Know, which type of transplant is prepared from the recipient’s own bone marrow? Allogeneic Bone Marrow Transplant For some diseases, the transplanted stem cells come from another person, called a donor. Donor transplants are called allogeneic transplants.Which test detects and diagnoses bleeding or clotting disorders?Sometimes doctors need to test how well the platelets function. Other tests can measure the overall function of the many proteins needed for normal blood clotting (clotting factors). The most common of these tests are the prothrombin time (PT) and the partial thromboplastin time (PTT).