lymph practice Flashcards
IgM antibodies \_\_\_\_\_\_\_\_\_. A) attack microbes B) activate complement and clump cells C) attack bacterial toxins D) are responsible for allergic reactions
B) activate complement and clump cells
IgG antibodies \_\_\_\_\_\_\_\_\_. A) are responsible for allergic reactions B) stimulate complement production C) bind to pathogens and their toxins D) trigger inflammation
C) bind to pathogens and their toxins
\_\_\_\_\_\_\_\_ antibodies are responsible for allergic reactions. A) IgG B) IgM C) IgD D) IgA E) IgE
E) IgE
IgA antibodies are found in \_\_\_\_\_\_\_. A) body secretions such as saliva and milk B) blood and on mast cells in tissues C) lymph D) general plasma
A) body secretions such as saliva and milk
\_\_\_\_\_\_\_\_ is the largest antibody. A) IgG B) IgM C) IgD D) IgA E) IgE
B) IgM
The main antibody type in circulation is \_\_\_\_\_\_\_. A) IgG B) IgM C) IgD D) IgA E) IgE
A) IgG
When exposed to an antigen, helper T cells enlarge and secrete messenger molecules called \_\_\_\_\_\_\_\_. A) antibodies B) perforin C) complement D) IgG E) cytokines
E) cytokines
When an immune system overreacts to an antigen or forms antibodies to substances that are usually NOT recognized as foreign, it results in \_\_\_\_\_\_\_. A) immune deficiency disease B) allergic response C) autoimmune disease D) edema E) hemolytic disease
B) allergic response
The thymus is smaller in children than in adults.
True
False
False (it’s larger in children)
________ are molecules initiating nerve impulses resulting in pain.
kinins
Cytotoxic T cells attack and destroy \_\_\_\_\_\_\_\_. A) bacteria B) viruses C) cells that produce toxins or poisons D) antigen-bearing cells
D) antigen-bearing cells
The movement of lymph within lymphatic vessels is dependent upon _______.
A) residual blood pressure forcing the plasma through the blood vessels
B) suction from the contracting lymph nodes
C) skeletal muscle contraction and the action of one-way valves
D) active transport of lymph by cilia lining the lymphatic system
C) skeletal muscle contraction and the action of one-way valves
The lymphatic system is _________.
A) a two-way transport system with fluids and cells moving both directions
B) a continuous closed circulation running parallel to the arteries and veins
C) a one-way system collecting the lymph from body tissues and spaces and reintroducing it to the bloodstream
D) a one-way system collecting lymph from body spaces and soaking it into the body cells
C) a one-way system collecting the lymph from body tissues and spaces and reintroducing it to the bloodstream
The thoracic duct serves \_\_\_\_\_\_\_\_. A) the lower extremities. B) the abdomen. C) the left arm. D) all of the above
D) all of the above
The thoracic and right lymphatic ducts return lymph to the \_\_\_\_\_\_\_\_. A) dorsal aorta B) abdominal cavity C) heart ventricles D) peritoneal cavities E) subclavian veins
E) subclavian veins
