Answer Happy

1.
Which statement correctly identifies the role of IgE,the membrane-bound antibody that anchors to a variety of differentwhite blood cells?
Found in tears and saliva, this antibody inhibits invadingpathogens from binding to the body's cells.
When this antibody binds to an antigen, it induces the attachedcell to release histamines.
Located in the blood, this antibody is the most prevalent in thehuman body.
This antibody is a B-cell receptor that clusters into astructure with many binding sites in response to a pathogen.
2.
Monoclonal antibodies and __________ can be used totreat certain types of cancers in a process known asimmunotherapy.
Macrophages
Polyclonal antibodies
Cytokines
Leukocytes
3.
What kind of immunity involves a one-size-fits-allresponse to invading pathogens?
General
Pathogenic
Adaptive
Innate
4.
What is the secondary means by which air enters the bodywhen breathing is labored or heavy?
Larynx
Oral cavity
Nasal cavity
Trachea