A) Monoclonal antibodies
B) Agglutination factors
C) Autoimmune agents
D) Immunosuppressant agents
E) Allergen antibodies
Correct Answer
verified
Multiple Choice
A) contains two light chains and two heavy chains
B) contains an antigen-binding site on each arm
C) contains a constant and a variable region on each chain
D) forms an X-shaped protein molecule
Correct Answer
verified
Multiple Choice
A) is due to the tissues being recognized as nonself,and therefore being treated as a foreign substance.
B) can be reduced if the organ donor is a close relative with very similar tissue proteins.
C) can be reduced by administering immunosuppressive drugs.
D) All of the choices are correct.
E) None of these are correct.
Correct Answer
verified
Multiple Choice
A) helper T cells
B) cytotoxic T cells
C) suppressor T cells
D) memory T cells
Correct Answer
verified
Multiple Choice
A) Helper T cells - secrete cytokines to control immune responses
B) Cytotoxic T cells - destroy non-self proteins
C) Memory T cells - mediate apoptosis
D) All of the choices are correctly matched with their functions.
Correct Answer
verified
Multiple Choice
A) edema in the left arm and left ventral chest wall.
B) a decrease of fluid in the left arm and left ventral chest wall.
C) an overproduction of T cells within the thymus.
D) an increase in the amount of lipoproteins in the bloodstream.
Correct Answer
verified
Multiple Choice
A) T cells
B) B cells
C) neutrophils
D) macrophages
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) passive immunity.
B) active immunity.
C) an inflammatory response that decreased the IgE production and increased T cells.
D) developing high levels of complement.
E) developing high levels of interferon although Jenner did not realize these diseases were viral.
Correct Answer
verified
Multiple Choice
A) are part of the nonspecific response against disease.
B) stimulate lymphocytes to carry on specific immunity.
C) stimulate phagocytic neutrophils.
D) do none of these things.
E) are part of the nonspecific response against disease and stimulate phagocytic neutrophils.
Correct Answer
verified
Multiple Choice
A) Rheumatic fever
B) Rheumatoid arthritis
C) Systemic lupus
D) HIV
Correct Answer
verified
Multiple Choice
A) bone marrow.
B) lymph nodes.
C) spleen.
D) thymus.
E) Peyer's patches.
Correct Answer
verified
Multiple Choice
A) IgA
B) IgG
C) IgE
D) IgM
E) IgD
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) all B cells are exact clones of each other.
B) all T cells are exact clones of each other.
C) when a B or T cell is stimulated by encountering the correct antigen,it divides to form a clone of cells that will respond to the same antigen.
D) when a B or T cell is stimulated by encountering the correct antibody,it divides to form a clone of cells that will respond to the same antibody.
Correct Answer
verified
Multiple Choice
A) Produce and distribute lymphocytes.
B) Absorb excess tissue fluid and return it to the blood stream.
C) Absorb fats and transport them to the bloodstream.
D) All of these are functions of the lymphatic system.
Correct Answer
verified
Essay
Correct Answer
verified
View Answer
Multiple Choice
A) microbial pathogens
B) small pox virus
C) chicken pox
D) measles
Correct Answer
verified
Multiple Choice
A) absorbing excess tissue fluids and returning them to the bloodstream.
B) transporting gases,nutrients,and metabolic wastes to parts of the body which have exchange boundaries with the external environment.
C) production,maintenance,and distribution of lymphocytes.
D) defending the body against pathogens.
Correct Answer
verified
True/False
Correct Answer
verified
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