Please answer all questions

1			Nonspecific immunity is provided by all of the following except
			A)	Kupffer cells.
			B)	Alveolar macrophages.
			C)	B lymphocytes.
			D)	Neutrophils
2			Which of the following is not a characteristic of T lymphocytes?
			A)	Surface antigens are present on the cell.
			B)	They are in high concentration in blood and lymph.
			C)	They provide cell-mediated immunity.
			D)	They have a relatively long life span.
3			Immediate hypersensitivity reactions to allergens could be prevented by blocking the actions of
			A)	IgA.
			B)	IgD.
			C)	IgE.
			D)	IgG.
4			Complement protein 1 is activated when which two antibodies bind to antigens on cell membranes?
			A)	IgA and IgE.
			B)	IgD and IgM.
			C)	IgG and IgD.
			D)	IgG and IgM.
5			During a local inflammatory response
			A)	mast cells engulf particulate matter for degradation.
			B)	histamine is released and stimulates increased capillary permeability.
			C)	monocyte concentration in the local area increases rapidly.
			D)	all of the above occur.
6			Active immunity
			A)	is provided by injection of anti-toxins.
			B)	develops within minutes after exposure to the antigen.
			C)	is relatively long lasting.
			D)	may be produced through a vaccination.
7			Perforins
			A)	are released by suppressor T cells to inhibit B cell activity.
			B)	are released by mast cells to induce chemotaxis.
			C)	are released by cytotoxic T cells when bound to victim cells to destroy the victim cell.
			D)	are released by helper T cells to increase the immune response.
8			Growth of B cells and resting T cells is stimulated by
			A)	interleuken-4.
			B)	interferons.
			C)	tumor necrosis factor.
			D)	colony-stimulating factors.
9			Which of the following groupings correctly associates the coreceptor, cell and MHC class?
			A)	CD4 coreceptor, helper T cell, class-1 MHC.
			B)	CD4 coreceptor, helper T cell, class-2 MHC.
			C)	CD8 coreceptor, helper T cell, class-1 MHC.
			D)	CD8 coreceptor, helper T cell, class-2 MHC.
10			Tumors
			A)	can be treated using glucocorticoids.
			B)	may grow more rapidly in an individual subjected to stress.
			C)	always undergo metastasis.
			D)	can be diagnosed using alpha-fetoprotein if originating in the colon.
11			Autoimmune diseases
			A)	include Grave's disease, rheumatic fever, myasthenia gravis, and aspermatogenesis.
			B)	occur when the body stops producing antibodies.
			C)	result in hypersensitivity to specific antigens.
			D)	can be treated with antihistamines.
12			Delayed hypersensitivity
			A)	requires the actions of B lymphocytes.
			B)	is mediated by increased production of IgE.
			C)	can be treated with antihistamines.
			D)	is mediated by the production of lymphokines.