1. Which of the following is NOT a primary function of the lymphatic system? A. Immune response B. Fluid balance C. Nutrient absorption D. Fat absorption Answer: C. Nutrient absorption Rationale: The lymphatic system is responsible for immune response, fluid balance, and fat absorption, but not nutrient absorption. 2. Which of the following is NOT a component of the lymphatic system? A. Lymph nodes B. Spleen C. Pancreas D. Thymus Answer: C. Pancreas Rationale: The pancreas is not a component of the lymphatic system; it is part of the digestive system. 3. Where are the primary lymphoid organs located in the body? A. Lymph nodes B. Spleen C. Thymus D. Bone marrow Answer: C. Thymus Rationale: The primary lymphoid organs are the thymus and the bone marrow, where lymphocytes are produced and mature. 4. Which of the following is NOT a function of the thymus? A. Production of lymphocytes B. Maturation of T cells C. Filtering pathogens from lymph D. Training T cells to recognize self and non-self antigens Answer: C. Filtering pathogens from lymph Rationale: The thymus is responsible for the production and maturation of T cells, as well as training them to recognize self and non-self antigens, but does not filter pathogens from lymph.