Lymph returns to the venous circulation by way of emptying into the
A)right lymphatic duct.
C)inferior vena cava.
D)superior vena cava.
Which of the following is a primary function of the lymphatic system?
A)circulation of nutrients
B)circulation of hormones
C)production, maintenance, and distribution of lymphocytes
D)production, maintenance, and distribution of plasma proteins
E)blocking the action of histamine
A)contain the largest collection of lymphoid tissue in the body.
B)are the site of T cell maturation.
C)stimulate lymphocyte stem-cell division.
D)purify lymph before it reaches the veins.
E)remove abnormal blood cells and components.
The white pulp of the spleen contains large numbers of
A)red blood cells and platelets as well as vast stores of iron.
B)lymphocytes, which initiate immune responses.
C)eosinophils, which engage in immune surveillance.
D)lymphocytes, which act as stationary phagocytes.
E)antibodies that remain in reserve for the next antigen encounter.