71) This organ has a superficial cortex filled with lymphocytes and an inner medulla with few lymphocytes and a sizable number of degenerating epithelial reticular cells.
A) lymph node
B) spleen
C) thymus
D) tonsil
72) Edema is
A) a form of cancer.
B) an infection of the lymphatic vessels.
C) an infection of the lymph nodes.
D) the accumulation of excess tissue fluid in loose connective tissue.
73) One location where lymphoid tissue is found is "in the frequently infected mucous membranes of the digestive, respiratory, urinary, and reproductive tracts." Specifically, this refers to
A) intestinal and bronchomediastinal lymph trunks.
B) the intestinal and tracheobronchial lymph nodes.
C) the cisterna chyli and lacteals.
D) MALT.
74) A person with many enlarged lymph nodes that do not feel tender or sore is most likely to have
A) lymphangitis.
B) mononucleosis.
C) Hodgkin's lymphoma.
D) buboes.
75) Lymph vessels drain lymph from all the lymphoid organs (simply because lymph vessels drain almost all organs of the body). However, lymph vessels enter (empty into) only one type of lymphoid organ. The only organ with such afferent lymph vessels is
A) a lymph node.
B) the spleen.
C) the appendix.
D) the thymus.
76) The distal region of the small intestine contains clumps of lymph follicles called
A) pancreatic islets.
B) aggregated lymphoid follicles.
C) rugae.
D) villi.
77) A patient with lymphangitis presents with visible red lines on the skin that are tender to the touch. The best explanation for this sign is that
A) lack of movement has caused pooling of lymph in the vessels, which compromised the lymphatic valves, resulting in varicose lymph vessels.
B) red blood cells have infiltrated the lymphatic system.
C) the spleen has overdegraded red blood cells, releasing iron into the lymphatic system.
D) the vasa vasorum on the surface of infected lymph vessels has become inflamed and congested with blood.
78) Which of the following is
not
a normal component of lymph?
A) water
B) plasma proteins
C) red blood cells
D) ions
79) Which lymphatic structure drains lymph from the right upper limb?
A) lumbar trunk
B) thoracic duct
C) right subclavian duct
D) cisterna chyli
80) Lymph leaves a lymph node via
A) afferent lymphatic vessels.
B) efferent lymphatic vessels.
C) the cortical lymph sinus.
D) the subcapsular sinus.
81) By secreting hormones, the thymus causes which cells to become immunocompetent?
A) T lymphocytes
B) B lymphocytes
C) macrophages
D) monocytes