1. What is the function of the lymphoreticular system?
A) Oxygen transport
B) Blood circulation
C) Immunity
D) Nutrient absorption

2. Which cells are responsible for conferring specific immunity?
A) Stem cells and fibroblasts
B) Red blood cells and white blood cells
C) Lymphocytes and plasma cells
D) Phagocytic cells and plasma cells

3. Which lymphoid organ produces thymic lymphocytes?
A) Spleen
B) Bone marrow
C) Thymus
D) Tonsils

4. Which lymphoid organ functions as a filter for the lymph?
A) Bone marrow
B) Lymph nodes
C) Thymus
D) Spleen

5. Where are mucosa-associated lymphoid tissues (MALT) found?
A) Circulatory system
B) Intestinal tract, genitourinary tract, tracheobronchial tree, and
mammary glands
C) Central nervous system
D) Respiratory system