Lymph/Immune 1 Flashcards
The lymphatic system is composed of all of the following, except A. lymphatic vessels. B. the thyroid gland. C. the spleen. D. lymph nodes. E. lymph.
B. the thyroid gland.
The merging of \_\_\_\_\_ forms the right lymphatic duct. A. the right jugular, right subclavian, and right bronchomediastinal trunks B. the left jugular, right subclavian, and right bronchomediastinal trunks C. only two great vessels D. three major vessels E. both A and D
E. both A and D
T is to \_\_\_\_\_ as B is to \_\_\_\_\_. A. top; bottom B. thymus-dependent; bone marrow–derived C. natural killer; bone marrow–derived D. non-thymus-dependent; bottom E. none of the above
B. thymus-dependent; bone marrow–derived
Characteristics of specific defenses include A. versatility. B. tolerance. C. memory. D. specificity. E. all of the above
E. all of the above
The primary function of the lymphatic system is A. circulation of nutrients. B. the transport of hormones. C. the production, maintenance, and distribution of lymphocytes. D. the production, maintenance, and distribution of plasma proteins. E. both C and D
C. the production, maintenance, and
distribution of lymphocytes.
Suppressor T cells act to
A. suppress antigens.
B. limit the degree of memory in memory T
cells.
C. limit antigen proliferation.
D. depress the responses of other T cells and B
cells.
E. produce antibodies involved in autoimmunity.
D. depress the responses of other T cells and B
cells.
B cells are primarily activated by the activities of A. antigens. B. antibodies. C. helper T cells. D. macrophages. E. plasma cells.
C. helper T cells.
Lymphocyte production involves A. bone marrow. B. thymus tissue. C. peripheral lymphoid tissues. D. all of the above E. none of the above
D. all of the above
Defense of the body against a particular bacteria or virus is provided by A. nonspecific immunity. B. specific immunity. C. immunological surveillance. D. skin. E. fever.
B. specific immunity.
The lymphatic system does all of the
following, except that it
A. helps maintain normal blood volume.
B. transports gases to and away from lymph
nodes.
C. eliminates variations in the composition of
interstitial fluid.
D. transports lipids from the digestive tract.
E. fights infection.
B. transports gases to and away from lymph
nodes.
Hematopoiesis is to _____ as
lymphopoiesis is to _____.
A. blood production; lymphocyte production
B. lymphocyte production; blood destruction
C. formation of lymph; blood formation
D. production of antibodies; production of lymph
E. all of the above
A. blood production; lymphocyte production
The cells that are actively involved in immunological surveillance are the \_\_\_\_\_ cells. A. NK B. plasma C. B D. helper T E. suppressor T
A. NK
Helper T cells do all of the following, except
A. promote B-cell division, plasma cell maturation, and
antibody production.
B. encode the antigenic genetic information for use
during future exposures to the antigen.
C. stimulate T-cell divisions that produce memory T
cells and accelerate maturation of cytotoxic T cells.
D. attract and stimulate the activity of NK cells.
E. enhance nonspecific defenses.
B. encode the antigenic genetic information for use
during future exposures to the antigen.
Compared to blood capillaries, lymph capillaries
exhibit all of the following, except that they
A. have no basement membrane.
B. are larger in diameter.
C. have walls of endothelial cells that overlap like
shingles.
D. are not held in place by a loose connective-tissue
framework.
E. are frequently irregular in shape.
D. are not held in place by a loose connective-tissue
framework.
The second line of defense against pathogens includes A. T cells. B. B cells. C. mucous membranes. D. phagocytes. E. plasma cells.
D. phagocytes.
